12:04 p.m.
Hi,
Sorry, I think the original question I had asked still seems to have been unanswered.
This is the question I had.
does Guvnor keep creating additional tables as per the need or is the Table structure that
Guvnor creates in the beginning where all the assets are stored remains the same until we
manually delete the Tables?
after creating rules and assets for several days, we had to re deploy a freshly compiled
Guvnor war file( everything remaining the same) using the same repository xml and same
database connected through jndi datasource.
In other words, just the war file has been recompiled. we also deleted the workspace and
repository directories previously created by Guvnor.
The DBA had locked the userid permissions to prevent any new table creation in the Guvnor
database.
During Guvnor startup, Guvnor had complained about not having permission to create
Tables.
My question is :
why does Guvnor need to create any additional tables and not use the existing Table
structure in the database.
I would appreciate any thoughts on this.
--- On Sun, 9/4/11, Nicolas Héron <nicolas.heron.java(a)gmail.com> wrote:
From: Nicolas Héron <nicolas.heron.java(a)gmail.com>
Subject: Re: [rules-users] Guvnor repository database use to store assets
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Sunday, September 4, 2011, 10:52 PM
Hi,
Sorry, but you do not have to delete the workspace directory. Not
sure where you are getting this from? In cases where you have a
large number of packages/assets in Guvnor it is rather recommended
_not_ to delete the search indexes written onto the file system,
because it takes extra time to re-create them.
May be it is recommended. But when you modify a lot the assets, rename, copy,
delete,etc.. Guvnor gets lost.
At startup, Jackrabbit (containent in Guvnor) reads all the
database and creates the two directories. You do not need to
backup them.
Again, I don't know where you are getting this from. Jackrabbit does
_not_ read the entire DB on startup and does not write any of the
JCR content stored in an RDBMS to the file system if you have
configured it to store to the RDBMS. If you for any weird reason are
seeing this on your end, you should really have another look at your
repository.xml.
The search indexes, they are stored on the file system no ? And with no index, you cannot
reach any of the assets. So when you delete thoses directories, at startup, they are
re-created and the database is read. I do not know what is read, but it can take quite
some times, depending on the size of the package. Now If there is a way to store thoses
indexes in the database, I would be happy to know how.
The project I am on has many rules and many big web decision tables that end up with more
than 100000 rules. I am using 5.3 snapshot with MVEL beta6 => Startup time =5 minutes
and building the package, 3 to 5 minutes on a HP G6 processor. On my PC that has an i5
processor and a 32 bits linux, I cannot build anymore the package.
With those sizes, which is not that much, Guvnor/jackrabbits gets lots on the indexes : it
gives jackrabbit exceptioorn or spaces are not considered. So then, what I do is delete
those two directories and restart guvnor and everything is fine again.
ThanksNicolas
-----Inline Attachment Follows-----
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
12:36 p.m.
New subject: Guvnor repository database use to store assets
AFAIK, JCR (JackRabbit or ModeShape) should not create any more tables after
the repository has first been persisted according to your repository XML
file.
However I do not know whether JCR uses the existence of the folder hierarchy
as an indicator that it has been initialized.
2011/9/5 puja nandamuri <med_9501(a)yahoo.com>
Hi,
Sorry, I think the original question I had asked still seems to have been
unanswered.
This is the question I had.
does Guvnor keep creating additional tables as per the need or is the Table
structure that Guvnor creates in the beginning where all the assets are
stored remains the same until we manually delete the Tables?
after creating rules and assets for several days, we had to re deploy a
freshly compiled Guvnor war file( everything remaining the same) using the
same repository xml and same database connected through jndi datasource.
In other words, just the war file has been recompiled. we also deleted the
workspace and repository directories previously created by Guvnor.
The DBA had locked the userid permissions to prevent any new table creation
in the Guvnor database.
During Guvnor startup, Guvnor had complained about not having permission to
create Tables.
My question is :
why does Guvnor need to create any additional tables and not use the
existing Table structure in the database.
I would appreciate any thoughts on this.
--- On *Sun, 9/4/11, Nicolas Héron <nicolas.heron.java(a)gmail.com>* wrote:
From: Nicolas Héron <nicolas.heron.java(a)gmail.com>
Subject: Re: [rules-users] Guvnor repository database use to store assets
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Sunday, September 4, 2011, 10:52 PM
Hi,
Sorry, but you do not have to delete the workspace directory. Not sure
where you are getting this from? In cases where you have a large number of
packages/assets in Guvnor it is rather recommended _not_ to delete the
search indexes written onto the file system, because it takes extra time to
re-create them.
May be it is recommended. But when you modify a lot the assets, rename,
copy, delete,etc.. Guvnor gets lost.
At startup, Jackrabbit (containent in Guvnor) reads all the database and
creates the two directories. You do not need to backup them.
Again, I don't know where you are getting this from. Jackrabbit does _not_
read the entire DB on startup and does not write any of the JCR content
stored in an RDBMS to the file system if you have configured it to store to
the RDBMS. If you for any weird reason are seeing this on your end, you
should really have another look at your repository.xml.
The search indexes, they are stored on the file system no ? And with no
index, you cannot reach any of the assets. So when you delete thoses
directories, at startup, they are re-created and the database is read. I do
not know what is read, but it can take quite some times, depending on the
size of the package. Now If there is a way to store thoses indexes in the
database, I would be happy to know how.
The project I am on has many rules and many big web decision tables that
end up with more than 100000 rules. I am using 5.3 snapshot with MVEL beta6
=> Startup time =5 minutes and building the package, 3 to 5 minutes on a HP
G6 processor. On my PC that has an i5 processor and a 32 bits linux, I
cannot build anymore the package.
With those sizes, which is not that much, Guvnor/jackrabbits gets lots on
the indexes : it gives jackrabbit exceptioorn or spaces are not considered.
So then, what I do is delete those two directories and restart guvnor and
everything is fine again.
Thanks
Nicolas
-----Inline Attachment Follows-----
_______________________________________________
rules-users mailing list
rules-users@lists.jboss.org<http://mc/compose?to=rules-users@lists.jboss.org>
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
1:02 p.m.
New subject: Guvnor repository database use to store assets
Jackrabbit will not try to create any new tables after it initially
created them. However it does call a *PersistenceManager.checkSchema()
method which AFAIK tries to read from the db metadata (
DatabaseMetaData#getTables). If the user does not have permissions to do
that, it will fail which I think is the case in your scenario.
Thanks.
On 9/5/11 1:04 PM, puja nandamuri wrote:
Hi,
Sorry, I think the original question I had asked still seems to have
been unanswered.
This is the question I had.
does Guvnor keep creating additional tables as per the need or is the
Table structure that Guvnor creates in the beginning where all the
assets are stored remains the same until we manually delete the Tables?
after creating rules and assets for several days, we had to re deploy
a freshly compiled Guvnor war file( everything remaining the same)
using the same repository xml and same database connected through
jndi datasource.
In other words, just the war file has been recompiled. we also deleted
the workspace and repository directories previously created by Guvnor.
The DBA had locked the userid permissions to prevent any new table
creation in the Guvnor database.
During Guvnor startup, Guvnor had complained about not having
permission to create Tables.
My question is :
why does Guvnor need to create any additional tables and not use the
existing Table structure in the database.
I would appreciate any thoughts on this.
--- On *Sun, 9/4/11, Nicolas Héron /<nicolas.heron.java(a)gmail.com>/*
wrote:
From: Nicolas Héron <nicolas.heron.java(a)gmail.com>
Subject: Re: [rules-users] Guvnor repository database use to store
assets
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Sunday, September 4, 2011, 10:52 PM
Hi,
Sorry, but you do not have to delete the workspace directory.
Not sure where you are getting this from? In cases where you
have a large number of packages/assets in Guvnor it is rather
recommended _not_ to delete the search indexes written onto
the file system, because it takes extra time to re-create them.
May be it is recommended. But when you modify a lot the assets,
rename, copy, delete,etc.. Guvnor gets lost.
> At startup, Jackrabbit (containent in Guvnor) reads all the
> database and creates the two directories. You do not need to
> backup them.
Again, I don't know where you are getting this from.
Jackrabbit does _not_ read the entire DB on startup and does
not write any of the JCR content stored in an RDBMS to the
file system if you have configured it to store to the RDBMS.
If you for any weird reason are seeing this on your end, you
should really have another look at your repository.xml.
The search indexes, they are stored on the file system no ? And
with no index, you cannot reach any of the assets. So when you
delete thoses directories, at startup, they are re-created and the
database is read. I do not know what is read, but it can take
quite some times, depending on the size of the package. Now If
there is a way to store thoses indexes in the database, I would be
happy to know how.
The project I am on has many rules and many big web decision
tables that end up with more than 100000 rules. I am using 5.3
snapshot with MVEL beta6 => Startup time =5 minutes and building
the package, 3 to 5 minutes on a HP G6 processor. On my PC that
has an i5 processor and a 32 bits linux, I cannot build anymore
the package.
With those sizes, which is not that much, Guvnor/jackrabbits gets
lots on the indexes : it gives jackrabbit exceptioorn or spaces
are not considered. So then, what I do is delete those two
directories and restart guvnor and everything is fine again.
Thanks
Nicolas
-----Inline Attachment Follows-----
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
</mc/compose?to=rules-users(a)lists.jboss.org>
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
11:18 a.m.
New subject: Guvnor repository database use to store assets
the account configured for the repository database has the following change of permissions
after the intial tables creation by Guvnor.
changed db_owner to db_datareader,
db_datawriter and as usual, it has public rights.
I am not an database expert but, should not the above permissions allow for (
DatabaseMetaData#getTables) ?
any pointers on what exactly might be the sql used in this case ?
Thanks,
Ram
--- On Mon, 9/5/11, Tihomir Surdilovic <tsurdilo(a)redhat.com> wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store assets
To: rules-users(a)lists.jboss.org
Date: Monday, September 5, 2011, 11:02 AM
Jackrabbit will not try to create any new tables after it initially
created them. However it does call a
*PersistenceManager.checkSchema() method which AFAIK tries to read
from the db metadata (
DatabaseMetaData#getTables). If the user does not have permissions
to do that, it will fail which I think is the case in your scenario.
Thanks.
On 9/5/11 1:04 PM, puja nandamuri wrote:
Hi,
Sorry, I think the original question I had asked
still seems to have been unanswered.
This is the question I had.
does Guvnor keep creating additional tables as per
the need or is the Table structure that Guvnor creates
in the beginning where all the assets are stored remains
the same until we manually delete the Tables?
after creating rules and assets for several days, we
had to re deploy a freshly compiled Guvnor war file(
everything remaining the same) using the same
repository xml and same database connected through jndi
datasource.
In other words, just the war file has been
recompiled. we also deleted the workspace and repository
directories previously created by Guvnor.
The DBA had locked the userid permissions to prevent
any new table creation in the Guvnor database.
During Guvnor startup, Guvnor had complained about
not having permission to create Tables.
My question is :
why does Guvnor need to create any additional tables
and not use the existing Table structure in the
database.
I would appreciate any thoughts on this.
--- On Sun, 9/4/11, Nicolas Héron <nicolas.heron.java(a)gmail.com>
wrote:
From: Nicolas Héron
<nicolas.heron.java(a)gmail.com>
Subject: Re: [rules-users] Guvnor repository database
use to store assets
To: "Rules Users List"
<rules-users(a)lists.jboss.org>
Date: Sunday, September 4, 2011, 10:52 PM
Hi,
Sorry, but you do not have to delete the
workspace directory. Not sure where you are
getting this from? In cases where you have a
large number of packages/assets in Guvnor it
is rather recommended _not_ to delete the
search indexes written onto the file system,
because it takes extra time to re-create
them.
May be it is recommended. But when you
modify a lot the assets, rename, copy,
delete,etc.. Guvnor gets lost.
At startup, Jackrabbit (containent
in Guvnor) reads all the database and
creates the two directories. You do
not need to backup them.
Again, I don't know where you are getting
this from. Jackrabbit does _not_ read the
entire DB on startup and does not write any
of the JCR content stored in an RDBMS to the
file system if you have configured it to
store to the RDBMS. If you for any weird
reason are seeing this on your end, you
should really have another look at your
repository.xml.
The search indexes, they are stored on the
file system no ? And with no index, you cannot
reach any of the assets. So when you delete
thoses directories, at startup, they are
re-created and the database is read. I do not
know what is read, but it can take quite some
times, depending on the size of the package.
Now If there is a way to store thoses indexes
in the database, I would be happy to know how.
The project I am on has many rules and many
big web decision tables that end up with more
than 100000 rules. I am using 5.3 snapshot
with MVEL beta6 => Startup time =5 minutes
and building the package, 3 to 5 minutes on a
HP G6 processor. On my PC that has an i5
processor and a 32 bits linux, I cannot build
anymore the package.
With those sizes, which is not that much,
Guvnor/jackrabbits gets lots on the indexes :
it gives jackrabbit exceptioorn or spaces are
not considered. So then, what I do is delete
those two directories and restart guvnor and
everything is fine again.
Thanks
Nicolas
-----Inline Attachment Follows-----
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
-----Inline Attachment Follows-----
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
11:33 a.m.
New subject: Guvnor repository database use to store assets
All Jackrabbit template ddl files are in the jackrabbit-core jar. That
would be a good place to start.
Thanks.
On 9/6/11 12:18 PM, puja nandamuri wrote:
the account configured for the repository database has the following
change of permissions after the intial tables creation by Guvnor.
changed db_owner to db_datareader,db_datawriter and as usual, it has
public rights.
I am not an database expert but, should not the above permissions
allow for ( DatabaseMetaData#getTables) ?
any pointers on what exactly might be the sql used in this case ?
Thanks,
Ram
--- On *Mon, 9/5/11, Tihomir Surdilovic /<tsurdilo(a)redhat.com>/* wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store
assets
To: rules-users(a)lists.jboss.org
Date: Monday, September 5, 2011, 11:02 AM
Jackrabbit will not try to create any new tables after it
initially created them. However it does call a
*PersistenceManager.checkSchema() method which AFAIK tries to read
from the db metadata ( DatabaseMetaData#getTables). If the user
does not have permissions to do that, it will fail which I think
is the case in your scenario.
Thanks.
On 9/5/11 1:04 PM, puja nandamuri wrote:
> Hi,
>
> Sorry, I think the original question I had asked still seems to
> have been unanswered.
>
> This is the question I had.
>
> does Guvnor keep creating additional tables as per the need or is
> the Table structure that Guvnor creates in the beginning where
> all the assets are stored remains the same until we manually
> delete the Tables?
>
>
> after creating rules and assets for several days, we had to re
> deploy a freshly compiled Guvnor war file( everything remaining
> the same) using the same repository xml and same database
> connected through jndi datasource.
>
> In other words, just the war file has been recompiled. we also
> deleted the workspace and repository directories previously
> created by Guvnor.
>
> The DBA had locked the userid permissions to prevent any new
> table creation in the Guvnor database.
>
> During Guvnor startup, Guvnor had complained about not having
> permission to create Tables.
>
> My question is :
>
> why does Guvnor need to create any additional tables and not use
> the existing Table structure in the database.
>
> I would appreciate any thoughts on this.
>
>
>
>
>
> --- On *Sun, 9/4/11, Nicolas Héron
> /<nicolas.heron.java(a)gmail.com>
> </mc/compose?to=nicolas.heron.java(a)gmail.com>/* wrote:
>
>
> From: Nicolas Héron <nicolas.heron.java(a)gmail.com>
> </mc/compose?to=nicolas.heron.java(a)gmail.com>
> Subject: Re: [rules-users] Guvnor repository database use to
> store assets
> To: "Rules Users List" <rules-users(a)lists.jboss.org>
> </mc/compose?to=rules-users(a)lists.jboss.org>
> Date: Sunday, September 4, 2011, 10:52 PM
>
> Hi,
>
> Sorry, but you do not have to delete the workspace
> directory. Not sure where you are getting this from? In
> cases where you have a large number of packages/assets in
> Guvnor it is rather recommended _not_ to delete the
> search indexes written onto the file system, because it
> takes extra time to re-create them.
>
> May be it is recommended. But when you modify a lot the
> assets, rename, copy, delete,etc.. Guvnor gets lost.
>
>> At startup, Jackrabbit (containent in Guvnor) reads all
>> the database and creates the two directories. You do not
>> need to backup them.
> Again, I don't know where you are getting this from.
> Jackrabbit does _not_ read the entire DB on startup and
> does not write any of the JCR content stored in an RDBMS
> to the file system if you have configured it to store to
> the RDBMS. If you for any weird reason are seeing this on
> your end, you should really have another look at your
> repository.xml.
>
>
>
> The search indexes, they are stored on the file system no ?
> And with no index, you cannot reach any of the assets. So
> when you delete thoses directories, at startup, they are
> re-created and the database is read. I do not know what is
> read, but it can take quite some times, depending on the size
> of the package. Now If there is a way to store thoses indexes
> in the database, I would be happy to know how.
>
> The project I am on has many rules and many big web decision
> tables that end up with more than 100000 rules. I am using
> 5.3 snapshot with MVEL beta6 => Startup time =5 minutes and
> building the package, 3 to 5 minutes on a HP G6 processor. On
> my PC that has an i5 processor and a 32 bits linux, I cannot
> build anymore the package.
> With those sizes, which is not that much, Guvnor/jackrabbits
> gets lots on the indexes : it gives jackrabbit exceptioorn or
> spaces are not considered. So then, what I do is delete those
> two directories and restart guvnor and everything is fine again.
> Thanks
> Nicolas
>
>
>
> -----Inline Attachment Follows-----
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org </mc/compose?to=rules-users(a)lists.jboss.org>
> https://lists.jboss.org/mailman/listinfo/rules-users
-----Inline Attachment Follows-----
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
</mc/compose?to=rules-users(a)lists.jboss.org>
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
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rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
12:07 p.m.
New subject: Guvnor repository database use to store assets
I got some additional details on the issue. i would appreciate some advice on whether I
should be storing the workspace to a local file system or database .
In my repository.xml, I have the following setting for the workspace file system.
<Workspace
name="${wsp.name}">
<!--
virtual file
system of the workspace:
class: FQN of
class implementing the FileSystem interface
-->
<FileSystem
class="org.apache.jackrabbit.core.fs.db.MSSqlFileSystem">
<param name="driver"
value="javax.naming.InitialContext"/>
<param name="url"
value="droolsRepositoryDataSource"/>
<param name="schema"
value="mssql"/>
<param
name="schemaObjectPrefix" value="FS_WS_${wsp.name}_"/>
</FileSystem>
Is it likely that because Guvnor seems to be storing the workspace information in the
database , it is trying to create the database tables again for workspace during guvnor
restart after deleting workspace and repository directories on file system?
we have another Guvnor which uses the following setting for workspace.This seems to be
working without any issues when we delete the workspace and repository directory and
deploying Guvnor again. it is likely that this setting does not store workspace
information in the database and hence does not need to create additional tables?
<FileSystem
class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
<param name="path"
value="${wsp.home}"/>
</FileSystem>
--- On Tue, 9/6/11, Tihomir Surdilovic <tsurdilo(a)redhat.com> wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store assets
To: rules-users(a)lists.jboss.org
Date: Tuesday, September 6, 2011, 9:33 AM
All Jackrabbit template ddl files are in the jackrabbit-core jar.
That would be a good place to start.
Thanks.
On 9/6/11 12:18 PM, puja nandamuri wrote:
the account
configured for the repository database has the following
change of permissions after the intial tables creation by
Guvnor.
changed db_owner to db_datareader,
db_datawriter and as usual, it has public rights.
I am not an database expert but, should not the above
permissions allow for ( DatabaseMetaData#getTables) ?
any pointers on what exactly might be the sql used in this
case ?
Thanks,
Ram
--- On Mon, 9/5/11, Tihomir Surdilovic <tsurdilo(a)redhat.com>
wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database
use to store assets
To: rules-users(a)lists.jboss.org
Date: Monday, September 5, 2011, 11:02 AM
Jackrabbit will not try to
create any new tables after it initially created them.
However it does call a
*PersistenceManager.checkSchema() method which AFAIK
tries to read from the db metadata (
DatabaseMetaData#getTables). If the user does not have
permissions to do that, it will fail which I think is
the case in your scenario.
Thanks.
On 9/5/11 1:04 PM, puja nandamuri wrote:
Hi,
Sorry, I think the original question I
had asked still seems to have been
unanswered.
This is the question I had.
does Guvnor keep creating additional
tables as per the need or is the Table
structure that Guvnor creates in the
beginning where all the assets are stored
remains the same until we manually delete
the Tables?
after creating rules and assets for
several days, we had to re deploy a
freshly compiled Guvnor war file(
everything remaining the same) using the
same repository xml and same database
connected through jndi datasource.
In other words, just the war file has
been recompiled. we also deleted the
workspace and repository directories
previously created by Guvnor.
The DBA had locked the userid
permissions to prevent any new table
creation in the Guvnor database.
During Guvnor startup, Guvnor had
complained about not having permission to
create Tables.
My question is :
why does Guvnor need to create any
additional tables and not use the existing
Table structure in the database.
I would appreciate any thoughts on
this.
--- On Sun, 9/4/11, Nicolas Héron
<nicolas.heron.java(a)gmail.com>
wrote:
From: Nicolas Héron <nicolas.heron.java(a)gmail.com>
Subject: Re: [rules-users] Guvnor
repository database use to store assets
To: "Rules Users List"
<rules-users(a)lists.jboss.org>
Date: Sunday, September 4, 2011, 10:52
PM
Hi,
Sorry, but you do not have
to delete the workspace
directory. Not sure where you
are getting this from? In
cases where you have a large
number of packages/assets in
Guvnor it is rather
recommended _not_ to delete
the search indexes written
onto the file system, because
it takes extra time to
re-create them.
May be it is recommended. But
when you modify a lot the
assets, rename, copy,
delete,etc.. Guvnor gets lost.
At startup,
Jackrabbit (containent
in Guvnor) reads all the
database and creates the
two directories. You do
not need to backup them.
Again, I don't know where you
are getting this from.
Jackrabbit does _not_ read the
entire DB on startup and does
not write any of the JCR
content stored in an RDBMS to
the file system if you have
configured it to store to the
RDBMS. If you for any weird
reason are seeing this on your
end, you should really have
another look at your
repository.xml.
The search indexes, they are
stored on the file system no ?
And with no index, you cannot
reach any of the assets. So when
you delete thoses directories,
at startup, they are re-created
and the database is read. I do
not know what is read, but it
can take quite some times,
depending on the size of the
package. Now If there is a way
to store thoses indexes in the
database, I would be happy to
know how.
The project I am on has many
rules and many big web decision
tables that end up with more
than 100000 rules. I am using
5.3 snapshot with MVEL beta6
=> Startup time =5 minutes
and building the package, 3 to 5
minutes on a HP G6 processor. On
my PC that has an i5 processor
and a 32 bits linux, I cannot
build anymore the package.
With those sizes, which is
not that much,
Guvnor/jackrabbits gets lots on
the indexes : it gives
jackrabbit exceptioorn or spaces
are not considered. So then,
what I do is delete those two
directories and restart guvnor
and everything is fine again.
Thanks
Nicolas
-----Inline Attachment Follows-----
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2:06 p.m.
New subject: Guvnor repository database use to store assets
If you choose to store your repository in an external db, then you
should do it in all places of your repository.xml. Mixing the file
system with external db in repository.xml is not recommended.
Regarding:
> we have another Guvnor which uses the following setting for
workspace.This seems to be working without any issues when we delete the
workspace and repository directory and deploying Guvnor again. it is
likely that this setting does not store workspace information in the
database and hence does not need to create additional tables?
On 9/9/11 1:07 PM, puja nandamuri wrote: <<
Well of course, If you use the LocalFileSystem, you are not using your
external database. The root of your initial problem was as you
mentioned: >> The DBA had locked the userid permissions to prevent any
new table creation in the Guvnor database. <<
Also mentioned previously was that Jackrabbit will create the tables in
an external db only the first time, so any consequent start will not as
the tables already exist. Also was mentioned that Jackrabbit will still
try to query the table metadata, and for you to make sure the db user
you specify in your DroolsRepositoryDatasource config has the
permissions to do that.
I would look on your end for couple of things:
1) What repository.xml file is being accessed by Guvnor when you deploy
a new war? Is it really the one you think it should?
2) Check with your DBA so he can play with permissions to see what is
the least amount of permissions he can give your db user in order for
this to work.
3) Check if this could be related to you importing a repository xml file
after re-deployment. AFAIK this operation should not create any new
tables, but you could check.
Since Jackrabbit has it's own db schema, I do not really see a need to
"lock down" permissions of the user. Not sure why this is necessary on
your end tobegin with. Could you explain?
Thanks.
I got some additional details on the issue. i would appreciate some
advice on whether I should be storing the workspace to a local file
system or database .
In my repository.xml, I have the following setting for the workspace
file system.
<Workspace name="${wsp.name}">
<!--
virtual file system of the workspace:
class: FQN of class implementing the FileSystem interface
-->
<FileSystem class="org.apache.jackrabbit.core.fs.db.MSSqlFileSystem">
<param name="driver" value="javax.naming.InitialContext"/>
<param name="url" value="droolsRepositoryDataSource"/>
<param name="schema" value="mssql"/>
<param name="schemaObjectPrefix" value="FS_WS_${wsp.name}_"/>
</FileSystem>
Is it likely that because Guvnor seems to be storing the workspace
information in the database , it is trying to create the database
tables again for workspace during guvnor restart after deleting
workspace and repository directories on file system?
we have another Guvnor which uses the following setting for
workspace.This seems to be working without any issues when we delete
the workspace and repository directory and deploying Guvnor again. it
is likely that this setting does not store workspace information in
the database and hence does not need to create additional tables?
<FileSystem class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
<param name="path" value="${wsp.home}"/>
</FileSystem>
--- On *Tue, 9/6/11, Tihomir Surdilovic /<tsurdilo(a)redhat.com>/* wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store
assets
To: rules-users(a)lists.jboss.org
Date: Tuesday, September 6, 2011, 9:33 AM
All Jackrabbit template ddl files are in the jackrabbit-core jar.
That would be a good place to start.
Thanks.
On 9/6/11 12:18 PM, puja nandamuri wrote:
> the account configured for the repository database has the
> following change of permissions after the intial tables creation
> by Guvnor.
>
> changed db_owner to db_datareader,db_datawriter and as usual, it
> has public rights.
>
> I am not an database expert but, should not the above permissions
> allow for ( DatabaseMetaData#getTables) ?
>
> any pointers on what exactly might be the sql used in this case ?
>
> Thanks,
>
> Ram
>
> --- On *Mon, 9/5/11, Tihomir Surdilovic /<tsurdilo(a)redhat.com>
> </mc/compose?to=tsurdilo(a)redhat.com>/* wrote:
>
>
> From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
> </mc/compose?to=tsurdilo(a)redhat.com>
> Subject: Re: [rules-users] Guvnor repository database use to
> store assets
> To: rules-users(a)lists.jboss.org
> </mc/compose?to=rules-users(a)lists.jboss.org>
> Date: Monday, September 5, 2011, 11:02 AM
>
> Jackrabbit will not try to create any new tables after it
> initially created them. However it does call a
> *PersistenceManager.checkSchema() method which AFAIK tries to
> read from the db metadata ( DatabaseMetaData#getTables). If
> the user does not have permissions to do that, it will fail
> which I think is the case in your scenario.
>
> Thanks.
> On 9/5/11 1:04 PM, puja nandamuri wrote:
>> Hi,
>>
>> Sorry, I think the original question I had asked still seems
>> to have been unanswered.
>>
>> This is the question I had.
>>
>> does Guvnor keep creating additional tables as per the need
>> or is the Table structure that Guvnor creates in the
>> beginning where all the assets are stored remains the same
>> until we manually delete the Tables?
>>
>>
>> after creating rules and assets for several days, we had to
>> re deploy a freshly compiled Guvnor war file( everything
>> remaining the same) using the same repository xml and same
>> database connected through jndi datasource.
>>
>> In other words, just the war file has been recompiled. we
>> also deleted the workspace and repository directories
>> previously created by Guvnor.
>>
>> The DBA had locked the userid permissions to prevent any new
>> table creation in the Guvnor database.
>>
>> During Guvnor startup, Guvnor had complained about not
>> having permission to create Tables.
>>
>> My question is :
>>
>> why does Guvnor need to create any additional tables and not
>> use the existing Table structure in the database.
>>
>> I would appreciate any thoughts on this.
>>
>>
>>
>>
>>
>> --- On *Sun, 9/4/11, Nicolas Héron
>> /<nicolas.heron.java(a)gmail.com>/* wrote:
>>
>>
>> From: Nicolas Héron <nicolas.heron.java(a)gmail.com>
>> Subject: Re: [rules-users] Guvnor repository database
>> use to store assets
>> To: "Rules Users List" <rules-users(a)lists.jboss.org>
>> Date: Sunday, September 4, 2011, 10:52 PM
>>
>> Hi,
>>
>> Sorry, but you do not have to delete the workspace
>> directory. Not sure where you are getting this from?
>> In cases where you have a large number of
>> packages/assets in Guvnor it is rather recommended
>> _not_ to delete the search indexes written onto the
>> file system, because it takes extra time to
>> re-create them.
>>
>> May be it is recommended. But when you modify a lot the
>> assets, rename, copy, delete,etc.. Guvnor gets lost.
>>
>>> At startup, Jackrabbit (containent in Guvnor) reads
>>> all the database and creates the two directories.
>>> You do not need to backup them.
>> Again, I don't know where you are getting this from.
>> Jackrabbit does _not_ read the entire DB on startup
>> and does not write any of the JCR content stored in
>> an RDBMS to the file system if you have configured
>> it to store to the RDBMS. If you for any weird
>> reason are seeing this on your end, you should
>> really have another look at your repository.xml.
>>
>>
>>
>> The search indexes, they are stored on the file system
>> no ? And with no index, you cannot reach any of the
>> assets. So when you delete thoses directories, at
>> startup, they are re-created and the database is read. I
>> do not know what is read, but it can take quite some
>> times, depending on the size of the package. Now If
>> there is a way to store thoses indexes in the database,
>> I would be happy to know how.
>>
>> The project I am on has many rules and many big web
>> decision tables that end up with more than 100000 rules.
>> I am using 5.3 snapshot with MVEL beta6 => Startup time
>> =5 minutes and building the package, 3 to 5 minutes on a
>> HP G6 processor. On my PC that has an i5 processor and a
>> 32 bits linux, I cannot build anymore the package.
>> With those sizes, which is not that much,
>> Guvnor/jackrabbits gets lots on the indexes : it gives
>> jackrabbit exceptioorn or spaces are not considered. So
>> then, what I do is delete those two directories and
>> restart guvnor and everything is fine again.
>> Thanks
>> Nicolas
>>
>>
>>
>> -----Inline Attachment Follows-----
>>
>> _______________________________________________
>> rules-users mailing list
>> rules-users(a)lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>>
>>
>> _______________________________________________
>> rules-users mailing list
>> rules-users(a)lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
> -----Inline Attachment Follows-----
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org </mc/compose?to=rules-users(a)lists.jboss.org>
> https://lists.jboss.org/mailman/listinfo/rules-users
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_______________________________________________
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3:13 p.m.
New subject: Guvnor repository database use to store assets
Initially, we had Guvnor deployed to only one instance of weblogic and using the database
to store workspace, repository and versioning information in the database . This
configuration was generated using the Manage Repository configuration option in Guvnor
later, Guvnor was mistakenly deployed to more than one instance of weblogic in a cluster ,
but each of the Guvnor using the same database through jndi datasource.
The repository.xml remained the same without any clustering setup.
Now, we see that each Guvnor instance has created a cluster_node.id file and also a
revision.log file on the local file system.
could the multiple instances of Guvnor created a need for jackrabbit to recreate/update
the Table ?
we see that this Table FS_WS_DEFAULT_FSENTRY seems to have been recreated /updated after
the permissions for the Guvnor database user was changed back to db_owner from
db_datareader and db_datawriter.
Could the multiple instances of Guvnor one each in a weblogic cluster setup have required
changes to the Table structure ?
As always,Thank you for your feedback .
--- On Fri, 9/9/11, Tihomir Surdilovic <tsurdilo(a)redhat.com> wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store assets
To: rules-users(a)lists.jboss.org
Date: Friday, September 9, 2011, 12:06 PM
If you choose to store your repository in an external db, then you
should do it in all places of your repository.xml. Mixing the file
system with external db in repository.xml is not recommended.
Regarding:
> we have another Guvnor which uses the following setting for
workspace.This seems to be working without any issues when we delete
the workspace and repository directory and deploying Guvnor again.
it is likely that this setting does not store workspace information
in the database and hence does not need to create additional tables?
On 9/9/11 1:07 PM, puja nandamuri wrote: <<
Well of course, If you use the LocalFileSystem, you are not using
your external database. The root of your initial problem was as you
mentioned: >> The DBA had locked the userid permissions to
prevent any new table creation in the Guvnor database. <<
Also mentioned previously was that Jackrabbit will create the tables
in an external db only the first time, so any consequent start will
not as the tables already exist. Also was mentioned that Jackrabbit
will still try to query the table metadata, and for you to make sure
the db user you specify in your DroolsRepositoryDatasource config
has the permissions to do that.
I would look on your end for couple of things:
1) What repository.xml file is being accessed by Guvnor when you
deploy a new war? Is it really the one you think it should?
2) Check with your DBA so he can play with permissions to see what
is the least amount of permissions he can give your db user in order
for this to work.
3) Check if this could be related to you importing a repository xml
file after re-deployment. AFAIK this operation should not create any
new tables, but you could check.
Since Jackrabbit has it's own db schema, I do not really see a need
to "lock down" permissions of the user. Not sure why this is
necessary on your end tobegin with. Could you explain?
Thanks.
I got some
additional details on the issue. i would appreciate some
advice on whether I should be storing the workspace to a
local file system or database .
In my repository.xml, I have the following setting for the
workspace file system.
<Workspace
name="${wsp.name}">
<!--
virtual
file
system of the workspace:
class:
FQN of
class implementing the FileSystem interface
-->
<FileSystem
class="org.apache.jackrabbit.core.fs.db.MSSqlFileSystem">
<param
name="driver"
value="javax.naming.InitialContext"/>
<param
name="url" value="droolsRepositoryDataSource"/>
<param
name="schema"
value="mssql"/>
<param
name="schemaObjectPrefix"
value="FS_WS_${wsp.name}_"/>
</FileSystem>
Is it likely that because Guvnor seems to be
storing the workspace information in the database , it
is trying to create the database tables again for
workspace during guvnor restart after deleting
workspace and repository directories on file system?
we have another Guvnor which uses the
following setting for workspace.This seems to be working
without any issues when we delete the workspace and
repository directory and deploying Guvnor again. it is
likely that this setting does not store workspace
information in the database and hence does not need to
create additional tables?
<FileSystem
class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
<param
name="path"
value="${wsp.home}"/>
</FileSystem>
--- On Tue, 9/6/11, Tihomir Surdilovic <tsurdilo(a)redhat.com>
wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database
use to store assets
To: rules-users(a)lists.jboss.org
Date: Tuesday, September 6, 2011, 9:33 AM
All Jackrabbit template ddl
files are in the jackrabbit-core jar. That would be a
good place to start.
Thanks.
On 9/6/11 12:18 PM, puja nandamuri wrote:
the
account configured for the repository
database has the following change of
permissions after the intial tables creation
by Guvnor.
changed db_owner to db_datareader, db_datawriter and as
usual, it has public rights.
I am not an database expert but, should not
the above permissions allow for (
DatabaseMetaData#getTables) ?
any pointers on what exactly might be the
sql used in this case ?
Thanks,
Ram
--- On Mon, 9/5/11, Tihomir Surdilovic
<tsurdilo(a)redhat.com>
wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor
repository database use to store assets
To: rules-users(a)lists.jboss.org
Date: Monday, September 5, 2011, 11:02 AM
Jackrabbit will
not try to create any new tables after
it initially created them. However it
does call a
*PersistenceManager.checkSchema() method
which AFAIK tries to read from the db
metadata ( DatabaseMetaData#getTables).
If the user does not have permissions to
do that, it will fail which I think is
the case in your scenario.
Thanks.
On 9/5/11 1:04 PM, puja nandamuri wrote:
Hi,
Sorry, I think the
original question I had
asked still seems to have
been unanswered.
This is the question I
had.
does Guvnor keep creating
additional tables as per the
need or is the Table
structure that Guvnor
creates in the beginning
where all the assets are
stored remains the same
until we manually delete the
Tables?
after creating rules and
assets for several days, we
had to re deploy a freshly
compiled Guvnor war file(
everything remaining the
same) using the same
repository xml and same
database connected through
jndi datasource.
In other words, just the
war file has been
recompiled. we also deleted
the workspace and repository
directories previously
created by Guvnor.
The DBA had locked the
userid permissions to
prevent any new table
creation in the Guvnor
database.
During Guvnor startup,
Guvnor had complained about
not having permission to
create Tables.
My question is :
why does Guvnor need to
create any additional tables
and not use the existing
Table structure in the
database.
I would appreciate any
thoughts on this.
--- On Sun, 9/4/11,
Nicolas Héron
<nicolas.heron.java(a)gmail.com>
wrote:
From: Nicolas Héron
<nicolas.heron.java(a)gmail.com>
Subject: Re: [rules-users]
Guvnor repository database
use to store assets
To: "Rules Users List"
<rules-users(a)lists.jboss.org>
Date: Sunday, September 4,
2011, 10:52 PM
Hi,
Sorry, but
you do not have
to delete the
workspace
directory. Not
sure where you
are getting this
from? In cases
where you have a
large number of
packages/assets
in Guvnor it is
rather
recommended
_not_ to delete
the search
indexes written
onto the file
system, because
it takes extra
time to
re-create them.
May be it is
recommended. But
when you modify a
lot the assets,
rename, copy,
delete,etc..
Guvnor gets lost.
At
startup,
Jackrabbit
(containent in
Guvnor) reads
all the
database and
creates the
two
directories.
You do not
need to backup
them.
Again, I don't
know where you
are getting this
from. Jackrabbit
does _not_ read
the entire DB on
startup and does
not write any of
the JCR content
stored in an
RDBMS to the
file system if
you have
configured it to
store to the
RDBMS. If you
for any weird
reason are
seeing this on
your end, you
should really
have another
look at your
repository.xml.
The search
indexes, they are
stored on the file
system no ? And
with no index, you
cannot reach any
of the assets. So
when you delete
thoses
directories, at
startup, they are
re-created and the
database is read.
I do not know what
is read, but it
can take quite
some times,
depending on the
size of the
package. Now If
there is a way to
store thoses
indexes in the
database, I would
be happy to know
how.
The project I
am on has many
rules and many big
web decision
tables that end up
with more than
100000 rules. I
am using 5.3
snapshot with MVEL
beta6 =>
Startup time =5
minutes and
building the
package, 3 to 5
minutes on a HP G6
processor. On my
PC that has an i5
processor and a 32
bits linux, I
cannot build
anymore the
package.
With those
sizes, which is
not that much,
Guvnor/jackrabbits
gets lots on the
indexes : it gives
jackrabbit
exceptioorn or
spaces are not
considered. So
then, what I do is
delete those two
directories and
restart guvnor and
everything is fine
again.
Thanks
Nicolas
-----Inline Attachment
Follows-----
_______________________________________________
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https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
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rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
-----Inline Attachment Follows-----
_______________________________________________
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https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
-----Inline Attachment Follows-----
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_______________________________________________
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-----Inline Attachment Follows-----
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3:29 p.m.
New subject: Guvnor repository database use to store assets
On 9/13/11 4:13 PM, puja nandamuri wrote:
Initially, we had Guvnor deployed to only one instance of weblogic
and
using the database to store workspace, repository and versioning
information in the database . This configuration was generated using
the Manage Repository configuration option in Guvnor
later, Guvnor was mistakenly deployed to more than one instance of
weblogic in a cluster , but each of the Guvnor using the same database
through jndi datasource.
The repository.xml remained the same without any clustering setup.
Now, we see that each Guvnor instance has created a cluster_node.id
file and also a revision.log file on the local file system.
could the multiple instances of Guvnor created a need for jackrabbit
to recreate/update the Table ?
Yes this is very well possible. If the Jackrabbit instance thinks it is
a node in a Jackrabbit cluster, it will create and maintain its own
tables while also sharing its local data with the shared journal. I did
not think that this would happen automatically without specifying the
clustering information in each of the instances repository.xml files (
see more here: http://wiki.apache.org/jackrabbit/Clustering). It seems
in your case jackrabbit clustering seems to happen on it's own?
we see that this Table FS_WS_DEFAULT_FSENTRY seems to have been
recreated /updated after the permissions for the Guvnor database user
was changed back to db_owner from db_datareader and db_datawriter.
Could the multiple instances of Guvnor one each in a weblogic cluster
setup have required changes to the Table structure ?
As always,Thank you for your feedback .
--- On *Fri, 9/9/11, Tihomir Surdilovic /<tsurdilo(a)redhat.com>/* wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store
assets
To: rules-users(a)lists.jboss.org
Date: Friday, September 9, 2011, 12:06 PM
If you choose to store your repository in an external db, then you
should do it in all places of your repository.xml. Mixing the file
system with external db in repository.xml is not recommended.
Regarding:
>> we have another Guvnor which uses the following setting for
workspace.This seems to be working without any issues when we
delete the workspace and repository directory and deploying
Guvnor again. it is likely that this setting does not store
workspace information in the database and hence does not need to
create additional tables?
On 9/9/11 1:07 PM, puja nandamuri wrote: <<
Well of course, If you use the LocalFileSystem, you are not using
your external database. The root of your initial problem was as
you mentioned: >> The DBA had locked the userid permissions to
prevent any new table creation in the Guvnor database. <<
Also mentioned previously was that Jackrabbit will create the
tables in an external db only the first time, so any consequent
start will not as the tables already exist. Also was mentioned
that Jackrabbit will still try to query the table metadata, and
for you to make sure the db user you specify in your
DroolsRepositoryDatasource config has the permissions to do that.
I would look on your end for couple of things:
1) What repository.xml file is being accessed by Guvnor when you
deploy a new war? Is it really the one you think it should?
2) Check with your DBA so he can play with permissions to see what
is the least amount of permissions he can give your db user in
order for this to work.
3) Check if this could be related to you importing a repository
xml file after re-deployment. AFAIK this operation should not
create any new tables, but you could check.
Since Jackrabbit has it's own db schema, I do not really see a
need to "lock down" permissions of the user. Not sure why this is
necessary on your end tobegin with. Could you explain?
Thanks.
> I got some additional details on the issue. i would appreciate
> some advice on whether I should be storing the workspace to a
> local file system or database .
>
> In my repository.xml, I have the following setting for the
> workspace file system.
>
> <Workspace name="${wsp.name}">
>
> <!--
>
> virtual file system of the workspace:
>
> class: FQN of class implementing the FileSystem interface
>
> -->
>
> <FileSystem
class="org.apache.jackrabbit.core.fs.db.MSSqlFileSystem">
>
> <param name="driver"
value="javax.naming.InitialContext"/>
>
> <param name="url" value="droolsRepositoryDataSource"/>
>
> <param name="schema" value="mssql"/>
>
> <param name="schemaObjectPrefix"
value="FS_WS_${wsp.name}_"/>
>
> </FileSystem>
>
>
> Is it likely that because Guvnor seems to be storing the
> workspace information in the database , it is trying to create
> the database tables again for workspace during guvnor restart
> after deleting workspace and repository directories on file system?
>
>
>
>
> we have another Guvnor which uses the following setting for
> workspace.This seems to be working without any issues when we
> delete the workspace and repository directory and deploying
> Guvnor again. it is likely that this setting does not store
> workspace information in the database and hence does not need to
> create additional tables?
>
>
> <FileSystem
> class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>
> <param name="path" value="${wsp.home}"/>
>
> </FileSystem>
>
>
>
>
> --- On *Tue, 9/6/11, Tihomir Surdilovic /<tsurdilo(a)redhat.com>
> </mc/compose?to=tsurdilo(a)redhat.com>/* wrote:
>
>
> From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
> </mc/compose?to=tsurdilo(a)redhat.com>
> Subject: Re: [rules-users] Guvnor repository database use to
> store assets
> To: rules-users(a)lists.jboss.org
> </mc/compose?to=rules-users(a)lists.jboss.org>
> Date: Tuesday, September 6, 2011, 9:33 AM
>
> All Jackrabbit template ddl files are in the jackrabbit-core
> jar. That would be a good place to start.
>
> Thanks.
> On 9/6/11 12:18 PM, puja nandamuri wrote:
>> the account configured for the repository database has the
>> following change of permissions after the intial tables
>> creation by Guvnor.
>>
>> changed db_owner to db_datareader,db_datawriter and as
>> usual, it has public rights.
>>
>> I am not an database expert but, should not the above
>> permissions allow for ( DatabaseMetaData#getTables) ?
>>
>> any pointers on what exactly might be the sql used in this
>> case ?
>>
>> Thanks,
>>
>> Ram
>>
>> --- On *Mon, 9/5/11, Tihomir Surdilovic
>> /<tsurdilo(a)redhat.com>/* wrote:
>>
>>
>> From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
>> Subject: Re: [rules-users] Guvnor repository database
>> use to store assets
>> To: rules-users(a)lists.jboss.org
>> Date: Monday, September 5, 2011, 11:02 AM
>>
>> Jackrabbit will not try to create any new tables after
>> it initially created them. However it does call a
>> *PersistenceManager.checkSchema() method which AFAIK
>> tries to read from the db metadata (
>> DatabaseMetaData#getTables). If the user does not have
>> permissions to do that, it will fail which I think is
>> the case in your scenario.
>>
>> Thanks.
>> On 9/5/11 1:04 PM, puja nandamuri wrote:
>>> Hi,
>>>
>>> Sorry, I think the original question I had asked still
>>> seems to have been unanswered.
>>>
>>> This is the question I had.
>>>
>>> does Guvnor keep creating additional tables as per the
>>> need or is the Table structure that Guvnor creates in
>>> the beginning where all the assets are stored remains
>>> the same until we manually delete the Tables?
>>>
>>>
>>> after creating rules and assets for several days, we
>>> had to re deploy a freshly compiled Guvnor war file(
>>> everything remaining the same) using the same
>>> repository xml and same database connected through jndi
>>> datasource.
>>>
>>> In other words, just the war file has been recompiled.
>>> we also deleted the workspace and repository
>>> directories previously created by Guvnor.
>>>
>>> The DBA had locked the userid permissions to prevent
>>> any new table creation in the Guvnor database.
>>>
>>> During Guvnor startup, Guvnor had complained about not
>>> having permission to create Tables.
>>>
>>> My question is :
>>>
>>> why does Guvnor need to create any additional tables
>>> and not use the existing Table structure in the database.
>>>
>>> I would appreciate any thoughts on this.
>>>
>>>
>>>
>>>
>>>
>>> --- On *Sun, 9/4/11, Nicolas Héron
>>> /<nicolas.heron.java(a)gmail.com>/* wrote:
>>>
>>>
>>> From: Nicolas Héron <nicolas.heron.java(a)gmail.com>
>>> Subject: Re: [rules-users] Guvnor repository
>>> database use to store assets
>>> To: "Rules Users List"
<rules-users(a)lists.jboss.org>
>>> Date: Sunday, September 4, 2011, 10:52 PM
>>>
>>> Hi,
>>>
>>> Sorry, but you do not have to delete the
>>> workspace directory. Not sure where you are
>>> getting this from? In cases where you have a
>>> large number of packages/assets in Guvnor it is
>>> rather recommended _not_ to delete the search
>>> indexes written onto the file system, because
>>> it takes extra time to re-create them.
>>>
>>> May be it is recommended. But when you modify a lot
>>> the assets, rename, copy, delete,etc.. Guvnor gets
>>> lost.
>>>
>>>> At startup, Jackrabbit (containent in Guvnor)
>>>> reads all the database and creates the two
>>>> directories. You do not need to backup them.
>>> Again, I don't know where you are getting this
>>> from. Jackrabbit does _not_ read the entire DB
>>> on startup and does not write any of the JCR
>>> content stored in an RDBMS to the file system
>>> if you have configured it to store to the
>>> RDBMS. If you for any weird reason are seeing
>>> this on your end, you should really have
>>> another look at your repository.xml.
>>>
>>>
>>>
>>> The search indexes, they are stored on the file
>>> system no ? And with no index, you cannot reach any
>>> of the assets. So when you delete thoses
>>> directories, at startup, they are re-created and
>>> the database is read. I do not know what is read,
>>> but it can take quite some times, depending on the
>>> size of the package. Now If there is a way to store
>>> thoses indexes in the database, I would be happy to
>>> know how.
>>>
>>> The project I am on has many rules and many big web
>>> decision tables that end up with more than 100000
>>> rules. I am using 5.3 snapshot with MVEL beta6 =>
>>> Startup time =5 minutes and building the package, 3
>>> to 5 minutes on a HP G6 processor. On my PC that
>>> has an i5 processor and a 32 bits linux, I cannot
>>> build anymore the package.
>>> With those sizes, which is not that much,
>>> Guvnor/jackrabbits gets lots on the indexes : it
>>> gives jackrabbit exceptioorn or spaces are not
>>> considered. So then, what I do is delete those two
>>> directories and restart guvnor and everything is
>>> fine again.
>>> Thanks
>>> Nicolas
>>>
>>>
>>>
>>> -----Inline Attachment Follows-----
>>>
>>> _______________________________________________
>>> rules-users mailing list
>>> rules-users(a)lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>
>>>
>>>
>>> _______________________________________________
>>> rules-users mailing list
>>> rules-users(a)lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>>
>> -----Inline Attachment Follows-----
>>
>> _______________________________________________
>> rules-users mailing list
>> rules-users(a)lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>>
>>
>> _______________________________________________
>> rules-users mailing list
>> rules-users(a)lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
> -----Inline Attachment Follows-----
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org </mc/compose?to=rules-users(a)lists.jboss.org>
> https://lists.jboss.org/mailman/listinfo/rules-users
-----Inline Attachment Follows-----
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5:28 p.m.
New subject: Guvnor repository database use to store assets
Yes, the cluster_node.id has the same value for all guvnor instances which might have
been created by jackrabbit automatically without the clustering information in the
repository.xml.
at this point, it looks like all I would need is the clustering setting in the
repository.xml and that should create different cluster_node.ids.
well atleast theoretically .
Since my repository.xml stores workspace,repository and versioning information in the same
sqlserver database, all I would need is to set the journal type settings in the
repository.xml to use the database.
In order to use clustering, the following prerequisites must be met: Each cluster node
must have its own repository configuration. A DataStore must always be shared between
nodes, if used. The global FileSystem
on the repository level must be shared (only the one that is on the
same level as the data store; only in the repository.xml file). Each cluster node needs
its own (private) workspace level and version FileSystem (only those within the workspace
and versioning configuration; the ones in the repository.xml and workspace.xml file). Each
cluster node needs its own (private) Search indexes. Every cluster node must be assigned a
unique ID. A journal type must be chosen, either based on files or stored in a database.
Each cluster node must use the same (shared) journal. The persistence managers must store
their data in the same, globally accessible location
anything else I might be missing ?
--- On Tue, 9/13/11, Tihomir Surdilovic <tsurdilo(a)redhat.com> wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store assets
To: rules-users(a)lists.jboss.org
Date: Tuesday, September 13, 2011, 1:29 PM
On 9/13/11 4:13 PM, puja nandamuri wrote:
Initially, we had
Guvnor deployed to only one instance of weblogic and using
the database to store workspace, repository and versioning
information in the database . This configuration was
generated using the Manage Repository configuration
option in Guvnor
later, Guvnor was mistakenly deployed to more than one
instance of weblogic in a cluster , but each of the Guvnor
using the same database through jndi datasource.
The repository.xml remained the same without any
clustering setup.
Now, we see that each Guvnor instance has created a
cluster_node.id file and also a revision.log file on the
local file system.
could the multiple instances of Guvnor created a need for
jackrabbit to recreate/update the Table ?
Yes this is very well possible. If the Jackrabbit instance thinks it
is a node in a Jackrabbit cluster, it will create and maintain its
own tables while also sharing its local data with the shared
journal. I did not think that this would happen automatically
without specifying the clustering information in each of the
instances repository.xml files ( see more here:
http://wiki.apache.org/jackrabbit/Clustering). It seems in your case
jackrabbit clustering seems to happen on it's own?
we see that this Table FS_WS_DEFAULT_FSENTRY seems to have
been recreated /updated after the permissions for the
Guvnor database user was changed back to db_owner from
db_datareader and db_datawriter.
Could the multiple instances of Guvnor one each in a
weblogic cluster setup have required changes to the Table
structure ?
As always,Thank you for your feedback .
--- On Fri, 9/9/11, Tihomir Surdilovic <tsurdilo(a)redhat.com>
wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database
use to store assets
To: rules-users(a)lists.jboss.org
Date: Friday, September 9, 2011, 12:06 PM
If you choose to store your
repository in an external db, then you should do it in
all places of your repository.xml. Mixing the file
system with external db in repository.xml is not
recommended.
Regarding:
> we have another Guvnor which uses the
following setting for workspace.This seems to be
working without any issues when we delete the
workspace and repository directory and deploying
Guvnor again. it is likely that this setting does not
store workspace information in the database and hence
does not need to create additional tables?
On 9/9/11 1:07 PM, puja nandamuri wrote: <<
Well of course, If you use the LocalFileSystem, you
are not using your external database. The root of your
initial problem was as you mentioned: >> The DBA
had locked the userid permissions to prevent any new
table creation in the Guvnor database. <<
Also mentioned previously was that Jackrabbit will
create the tables in an external db only the first
time, so any consequent start will not as the tables
already exist. Also was mentioned that Jackrabbit will
still try to query the table metadata, and for you to
make sure the db user you specify in your
DroolsRepositoryDatasource config has the permissions
to do that.
I would look on your end for couple of things:
1) What repository.xml file is being accessed by
Guvnor when you deploy a new war? Is it really the one
you think it should?
2) Check with your DBA so he can play with permissions
to see what is the least amount of permissions he can
give your db user in order for this to work.
3) Check if this could be related to you importing a
repository xml file after re-deployment. AFAIK this
operation should not create any new tables, but you
could check.
Since Jackrabbit has it's own db schema, I do not
really see a need to "lock down" permissions of the
user. Not sure why this is necessary on your end
tobegin with. Could you explain?
Thanks.
I got
some additional details on the issue. i
would appreciate some advice on whether I
should be storing the workspace to a local
file system or database .
In my repository.xml, I have the following
setting for the workspace file system.
<Workspace
name="${wsp.name}">
<!--
virtual
file system of the workspace:
class:
FQN of class implementing the FileSystem
interface
-->
<FileSystem
class="org.apache.jackrabbit.core.fs.db.MSSqlFileSystem">
<param
name="driver"
value="javax.naming.InitialContext"/>
<param
name="url"
value="droolsRepositoryDataSource"/>
<param
name="schema" value="mssql"/>
<param
name="schemaObjectPrefix"
value="FS_WS_${wsp.name}_"/>
</FileSystem>
Is it
likely that because Guvnor seems to be
storing the workspace information in the
database , it is trying to create the
database tables again for workspace
during guvnor restart after deleting
workspace and repository directories on
file system?
we have
another Guvnor which uses the following
setting for workspace.This seems to be
working without any issues when we delete
the workspace and repository directory
and deploying Guvnor again. it is likely
that this setting does not store workspace
information in the database and hence does
not need to create additional tables?
<FileSystem
class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
<param
name="path" value="${wsp.home}"/>
</FileSystem>
--- On Tue, 9/6/11, Tihomir Surdilovic
<tsurdilo(a)redhat.com>
wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor
repository database use to store assets
To: rules-users(a)lists.jboss.org
Date: Tuesday, September 6, 2011, 9:33 AM
All Jackrabbit
template ddl files are in the
jackrabbit-core jar. That would be a
good place to start.
Thanks.
On 9/6/11 12:18 PM, puja nandamuri
wrote:
the account
configured for the repository
database has the following
change of permissions after
the intial tables creation by
Guvnor.
changed
db_owner to db_datareader, db_datawriter
and as usual, it has public
rights.
I am not an database expert
but, should not the above
permissions allow for (
DatabaseMetaData#getTables) ?
any pointers on what exactly
might be the sql used in this
case ?
Thanks,
Ram
--- On Mon, 9/5/11,
Tihomir Surdilovic
<tsurdilo(a)redhat.com>
wrote:
From: Tihomir Surdilovic
<tsurdilo(a)redhat.com>
Subject: Re: [rules-users]
Guvnor repository database
use to store assets
To: rules-users(a)lists.jboss.org
Date: Monday, September 5,
2011, 11:02 AM
Jackrabbit will not try to
create any new tables
after it initially created
them. However it does call
a
*PersistenceManager.checkSchema()
method which AFAIK tries
to read from the db
metadata (
DatabaseMetaData#getTables).
If the user does not have
permissions to do that, it
will fail which I think is
the case in your scenario.
Thanks.
On 9/5/11 1:04 PM, puja
nandamuri wrote:
Hi,
Sorry, I
think the
original
question I had
asked still
seems to have
been
unanswered.
This is the
question I
had.
does Guvnor
keep creating
additional
tables as per
the need or is
the Table
structure that
Guvnor creates
in the
beginning
where all the
assets are
stored remains
the same until
we manually
delete the
Tables?
after
creating rules
and assets for
several days,
we had to re
deploy a
freshly
compiled
Guvnor war
file(
everything
remaining the
same) using
the same
repository xml
and same
database
connected
through jndi
datasource.
In other
words, just
the war file
has been
recompiled. we
also deleted
the workspace
and repository
directories
previously
created by
Guvnor.
The DBA had
locked the
userid
permissions to
prevent any
new table
creation in
the Guvnor
database.
During
Guvnor
startup,
Guvnor had
complained
about not
having
permission to
create Tables.
My question
is :
why does
Guvnor need to
create any
additional
tables and not
use the
existing Table
structure in
the database.
I would
appreciate any
thoughts on
this.
--- On Sun,
9/4/11,
Nicolas Héron
<nicolas.heron.java(a)gmail.com>
wrote:
From: Nicolas
Héron
<nicolas.heron.java(a)gmail.com>
Subject: Re:
[rules-users]
Guvnor
repository
database use
to store
assets
To: "Rules
Users List"
<rules-users(a)lists.jboss.org>
Date: Sunday,
September 4,
2011, 10:52 PM
Hi,
Sorry,
but you do not
have to delete
the workspace
directory. Not
sure where you
are getting
this from? In
cases where
you have a
large number
of
packages/assets
in Guvnor it
is rather
recommended
_not_ to
delete the
search indexes
written onto
the file
system,
because it
takes extra
time to
re-create
them.
May be it
is
recommended.
But when you
modify a lot
the assets,
rename, copy,
delete,etc..
Guvnor gets
lost.
At
startup,
Jackrabbit
(containent in
Guvnor) reads
all the
database and
creates the
two
directories.
You do not
need to backup
them.
Again, I don't
know where you
are getting
this from.
Jackrabbit
does _not_
read the
entire DB on
startup and
does not write
any of the JCR
content stored
in an RDBMS to
the file
system if you
have
configured it
to store to
the RDBMS. If
you for any
weird reason
are seeing
this on your
end, you
should really
have another
look at your
repository.xml.
The
search
indexes, they
are stored on
the file
system no ?
And with no
index, you
cannot reach
any of the
assets. So
when you
delete thoses
directories,
at startup,
they are
re-created and
the database
is read. I do
not know what
is read, but
it can take
quite some
times,
depending on
the size of
the package.
Now If there
is a way to
store thoses
indexes in the
database, I
would be happy
to know how.
The
project I am
on has many
rules and many
big web
decision
tables that
end up with
more than
100000 rules.
I am using
5.3 snapshot
with MVEL
beta6 =>
Startup time
=5 minutes and
building the
package, 3 to
5 minutes on a
HP G6
processor. On
my PC that has
an i5
processor and
a 32 bits
linux, I
cannot build
anymore the
package.
With
those sizes,
which is not
that much,
Guvnor/jackrabbits
gets lots on
the indexes :
it gives
jackrabbit
exceptioorn or
spaces are not
considered. So
then, what I
do is delete
those two
directories
and restart
guvnor and
everything is
fine again.
Thanks
Nicolas
-----Inline
Attachment
Follows-----
_______________________________________________
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mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
_______________________________________________
rules-users mailing list
rules-users(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users
-----Inline Attachment
Follows-----
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_______________________________________________
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-----Inline Attachment Follows-----
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-----Inline Attachment Follows-----
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6:38 p.m.
New subject: Guvnor repository database use to store assets
Drools-ant contains a task that can help you configure your Guvnor
instances in a Jackrabbit cluster -
http://blog.athico.com/2011/01/configuring-multiple-guvnor-instances.html .
Hope this helps.
On 9/13/11 6:28 PM, puja nandamuri wrote:
Yes, the cluster_node.id has the same value for all guvnor instances
which might have been created by jackrabbit automatically without the
clustering information in the repository.xml.
at this point, it looks like all I would need is the clustering
setting in the repository.xml and that should create different
cluster_node.ids.
well atleast theoretically .
Since my repository.xml stores workspace,repository and versioning
information in the same sqlserver database, all I would need is to set
the journal type settings in the repository.xml to use the database.
In order to use clustering, the following prerequisites must be met:
* Each cluster node must have its own repository configuration.
*
A DataStore <http://wiki.apache.org/jackrabbit/DataStore> must
always be shared between nodes, if used.
*
The global FileSystem
<http://wiki.apache.org/jackrabbit/FileSystem> on the repository
level must be shared (only the one that is on the same level as
the data store; only in the repository.xml file).
*
Each cluster node needs its own (private) workspace level and
version FileSystem <http://wiki.apache.org/jackrabbit/FileSystem>
(only those within the workspace and versioning configuration; the
ones in the repository.xml and workspace.xml file).
* Each cluster node needs its own (private) Search indexes.
* Every cluster node must be assigned a unique ID.
* A journal type must be chosen, either based on files or stored in
a database.
* Each cluster node must use the same (shared) journal.
*
The persistence managers must store their data in the same,
globally accessible location
anything else I might be missing ?
--- On *Tue, 9/13/11, Tihomir Surdilovic /<tsurdilo(a)redhat.com>/* wrote:
From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
Subject: Re: [rules-users] Guvnor repository database use to store
assets
To: rules-users(a)lists.jboss.org
Date: Tuesday, September 13, 2011, 1:29 PM
On 9/13/11 4:13 PM, puja nandamuri wrote:
> Initially, we had Guvnor deployed to only one instance of
> weblogic and using the database to store workspace, repository
> and versioning information in the database . This configuration
> was generated using the Manage Repository configuration option
> in Guvnor
>
> later, Guvnor was mistakenly deployed to more than one instance
> of weblogic in a cluster , but each of the Guvnor using the same
> database through jndi datasource.
>
> The repository.xml remained the same without any clustering setup.
>
> Now, we see that each Guvnor instance has created a
> cluster_node.id file and also a revision.log file on the local
> file system.
>
> could the multiple instances of Guvnor created a need for
> jackrabbit to recreate/update the Table ?
>
Yes this is very well possible. If the Jackrabbit instance thinks
it is a node in a Jackrabbit cluster, it will create and maintain
its own tables while also sharing its local data with the shared
journal. I did not think that this would happen automatically
without specifying the clustering information in each of the
instances repository.xml files ( see more here:
http://wiki.apache.org/jackrabbit/Clustering). It seems in your
case jackrabbit clustering seems to happen on it's own?
>
> we see that this Table FS_WS_DEFAULT_FSENTRY seems to have been
> recreated /updated after the permissions for the Guvnor database
> user was changed back to db_owner from db_datareader and
> db_datawriter.
>
> Could the multiple instances of Guvnor one each in a weblogic
> cluster setup have required changes to the Table structure ?
>
> As always,Thank you for your feedback .
>
> --- On *Fri, 9/9/11, Tihomir Surdilovic /<tsurdilo(a)redhat.com>
> </mc/compose?to=tsurdilo(a)redhat.com>/* wrote:
>
>
> From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
> </mc/compose?to=tsurdilo(a)redhat.com>
> Subject: Re: [rules-users] Guvnor repository database use to
> store assets
> To: rules-users(a)lists.jboss.org
> </mc/compose?to=rules-users(a)lists.jboss.org>
> Date: Friday, September 9, 2011, 12:06 PM
>
> If you choose to store your repository in an external db,
> then you should do it in all places of your repository.xml.
> Mixing the file system with external db in repository.xml is
> not recommended.
>
> Regarding:
> >> we have another Guvnor which uses the following setting
> for workspace.This seems to be working without any issues
> when we delete the workspace and repository directory and
> deploying Guvnor again. it is likely that this setting does
> not store workspace information in the database and hence
> does not need to create additional tables?
> On 9/9/11 1:07 PM, puja nandamuri wrote: <<
> Well of course, If you use the LocalFileSystem, you are not
> using your external database. The root of your initial
> problem was as you mentioned: >> The DBA had locked the
> userid permissions to prevent any new table creation in the
> Guvnor database. <<
> Also mentioned previously was that Jackrabbit will create the
> tables in an external db only the first time, so any
> consequent start will not as the tables already exist. Also
> was mentioned that Jackrabbit will still try to query the
> table metadata, and for you to make sure the db user you
> specify in your DroolsRepositoryDatasource config has the
> permissions to do that.
>
> I would look on your end for couple of things:
> 1) What repository.xml file is being accessed by Guvnor when
> you deploy a new war? Is it really the one you think it should?
> 2) Check with your DBA so he can play with permissions to see
> what is the least amount of permissions he can give your db
> user in order for this to work.
> 3) Check if this could be related to you importing a
> repository xml file after re-deployment. AFAIK this operation
> should not create any new tables, but you could check.
>
> Since Jackrabbit has it's own db schema, I do not really see
> a need to "lock down" permissions of the user. Not sure why
> this is necessary on your end tobegin with. Could you explain?
>
> Thanks.
>
>> I got some additional details on the issue. i would
>> appreciate some advice on whether I should be storing the
>> workspace to a local file system or database .
>>
>> In my repository.xml, I have the following setting for the
>> workspace file system.
>>
>> <Workspace name="${wsp.name}">
>>
>> <!--
>>
>> virtual file system of the workspace:
>>
>> class: FQN of class implementing the FileSystem interface
>>
>> -->
>>
>> <FileSystem
>> class="org.apache.jackrabbit.core.fs.db.MSSqlFileSystem">
>>
>> <param name="driver"
value="javax.naming.InitialContext"/>
>>
>> <param name="url"
value="droolsRepositoryDataSource"/>
>>
>> <param name="schema" value="mssql"/>
>>
>> <param name="schemaObjectPrefix"
value="FS_WS_${wsp.name}_"/>
>>
>> </FileSystem>
>>
>>
>> Is it likely that because Guvnor seems to be storing the
>> workspace information in the database , it is trying to
>> create the database tables again for workspace during guvnor
>> restart after deleting workspace and repository directories
>> on file system?
>>
>>
>>
>>
>> we have another Guvnor which uses the following setting for
>> workspace.This seems to be working without any issues when
>> we delete the workspace and repository directory and
>> deploying Guvnor again. it is likely that this setting does
>> not store workspace information in the database and hence
>> does not need to create additional tables?
>>
>>
>> <FileSystem
>>
class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>>
>> <param name="path" value="${wsp.home}"/>
>>
>> </FileSystem>
>>
>>
>>
>>
>> --- On *Tue, 9/6/11, Tihomir Surdilovic
>> /<tsurdilo(a)redhat.com>/* wrote:
>>
>>
>> From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
>> Subject: Re: [rules-users] Guvnor repository database
>> use to store assets
>> To: rules-users(a)lists.jboss.org
>> Date: Tuesday, September 6, 2011, 9:33 AM
>>
>> All Jackrabbit template ddl files are in the
>> jackrabbit-core jar. That would be a good place to start.
>>
>> Thanks.
>> On 9/6/11 12:18 PM, puja nandamuri wrote:
>>> the account configured for the repository database has
>>> the following change of permissions after the intial
>>> tables creation by Guvnor.
>>>
>>> changed db_owner to db_datareader,db_datawriter and as
>>> usual, it has public rights.
>>>
>>> I am not an database expert but, should not the above
>>> permissions allow for ( DatabaseMetaData#getTables) ?
>>>
>>> any pointers on what exactly might be the sql used in
>>> this case ?
>>>
>>> Thanks,
>>>
>>> Ram
>>>
>>> --- On *Mon, 9/5/11, Tihomir Surdilovic
>>> /<tsurdilo(a)redhat.com>/* wrote:
>>>
>>>
>>> From: Tihomir Surdilovic <tsurdilo(a)redhat.com>
>>> Subject: Re: [rules-users] Guvnor repository
>>> database use to store assets
>>> To: rules-users(a)lists.jboss.org
>>> Date: Monday, September 5, 2011, 11:02 AM
>>>
>>> Jackrabbit will not try to create any new tables
>>> after it initially created them. However it does
>>> call a *PersistenceManager.checkSchema() method
>>> which AFAIK tries to read from the db metadata (
>>> DatabaseMetaData#getTables). If the user does not
>>> have permissions to do that, it will fail which I
>>> think is the case in your scenario.
>>>
>>> Thanks.
>>> On 9/5/11 1:04 PM, puja nandamuri wrote:
>>>> Hi,
>>>>
>>>> Sorry, I think the original question I had asked
>>>> still seems to have been unanswered.
>>>>
>>>> This is the question I had.
>>>>
>>>> does Guvnor keep creating additional tables as per
>>>> the need or is the Table structure that Guvnor
>>>> creates in the beginning where all the assets are
>>>> stored remains the same until we manually delete
>>>> the Tables?
>>>>
>>>>
>>>> after creating rules and assets for several days,
>>>> we had to re deploy a freshly compiled Guvnor war
>>>> file( everything remaining the same) using the
>>>> same repository xml and same database connected
>>>> through jndi datasource.
>>>>
>>>> In other words, just the war file has been
>>>> recompiled. we also deleted the workspace and
>>>> repository directories previously created by Guvnor.
>>>>
>>>> The DBA had locked the userid permissions to
>>>> prevent any new table creation in the Guvnor database.
>>>>
>>>> During Guvnor startup, Guvnor had complained about
>>>> not having permission to create Tables.
>>>>
>>>> My question is :
>>>>
>>>> why does Guvnor need to create any additional
>>>> tables and not use the existing Table structure in
>>>> the database.
>>>>
>>>> I would appreciate any thoughts on this.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> --- On *Sun, 9/4/11, Nicolas Héron
>>>> /<nicolas.heron.java(a)gmail.com>/* wrote:
>>>>
>>>>
>>>> From: Nicolas Héron
<nicolas.heron.java(a)gmail.com>
>>>> Subject: Re: [rules-users] Guvnor repository
>>>> database use to store assets
>>>> To: "Rules Users List"
>>>> <rules-users(a)lists.jboss.org>
>>>> Date: Sunday, September 4, 2011, 10:52 PM
>>>>
>>>> Hi,
>>>>
>>>> Sorry, but you do not have to delete the
>>>> workspace directory. Not sure where you
>>>> are getting this from? In cases where you
>>>> have a large number of packages/assets in
>>>> Guvnor it is rather recommended _not_ to
>>>> delete the search indexes written onto the
>>>> file system, because it takes extra time
>>>> to re-create them.
>>>>
>>>> May be it is recommended. But when you modify
>>>> a lot the assets, rename, copy, delete,etc..
>>>> Guvnor gets lost.
>>>>
>>>>> At startup, Jackrabbit (containent in
>>>>> Guvnor) reads all the database and
>>>>> creates the two directories. You do not
>>>>> need to backup them.
>>>> Again, I don't know where you are getting
>>>> this from. Jackrabbit does _not_ read the
>>>> entire DB on startup and does not write
>>>> any of the JCR content stored in an RDBMS
>>>> to the file system if you have configured
>>>> it to store to the RDBMS. If you for any
>>>> weird reason are seeing this on your end,
>>>> you should really have another look at
>>>> your repository.xml.
>>>>
>>>>
>>>>
>>>> The search indexes, they are stored on the
>>>> file system no ? And with no index, you cannot
>>>> reach any of the assets. So when you delete
>>>> thoses directories, at startup, they are
>>>> re-created and the database is read. I do not
>>>> know what is read, but it can take quite some
>>>> times, depending on the size of the package.
>>>> Now If there is a way to store thoses indexes
>>>> in the database, I would be happy to know how.
>>>>
>>>> The project I am on has many rules and many
>>>> big web decision tables that end up with more
>>>> than 100000 rules. I am using 5.3 snapshot
>>>> with MVEL beta6 => Startup time =5 minutes and
>>>> building the package, 3 to 5 minutes on a HP
>>>> G6 processor. On my PC that has an i5
>>>> processor and a 32 bits linux, I cannot build
>>>> anymore the package.
>>>> With those sizes, which is not that much,
>>>> Guvnor/jackrabbits gets lots on the indexes :
>>>> it gives jackrabbit exceptioorn or spaces are
>>>> not considered. So then, what I do is delete
>>>> those two directories and restart guvnor and
>>>> everything is fine again.
>>>> Thanks
>>>> Nicolas
>>>>
>>>>
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10 comments
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participants (3)
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Michael Anstis -
puja nandamuri -
Tihomir Surdilovic