[rules-users] Guvnor repository database use to store assets
Tihomir Surdilovic
tsurdilo at redhat.com
Mon Sep 5 00:56:21 EDT 2011
On 9/4/11 4:45 PM, Nicolas Héron wrote:
> Ram,
> Yes they have to be deleted so that at startup Guvnor can created them.
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.
> 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.
Thanks.
> Nicolas
>
> 2011/9/4 puja nandamuri <med_9501 at yahoo.com <mailto:med_9501 at yahoo.com>>
>
> Nicolas,
>
> In our case, we are not moving from one database to another. we
> are using the same database. we just deployed a recompiled Guvnor
> war file without any changes. we had to redeploy as part of our
> deployment process.
>
> In this case, my assumption was that Guvnor will load the existing
> assets from database which has not changed. Only Guvnor has been
> redeployed and the workspace and repository directories deleted to
> be created afresh by Guvnor.
>
> --- On *Sun, 9/4/11, Nicolas Héron /<nicolas.heron.java at gmail.com
> <mailto:nicolas.heron.java at gmail.com>>/* wrote:
>
>
> From: Nicolas Héron <nicolas.heron.java at gmail.com
> <mailto:nicolas.heron.java at gmail.com>>
> Subject: Re: [rules-users] Guvnor repository database use to
> store assets
> To: "Rules Users List" <rules-users at lists.jboss.org
> <mailto:rules-users at lists.jboss.org>>
> Date: Sunday, September 4, 2011, 11:15 AM
>
>
> Hi,
> Guvnor stores everything in the database.
> The directories workspace and repository are for the lucene
> indexes used by jackrabbit.
> The best thing when you move guvnor from one database to
> another is to use the export/import function that will work
> even if you export from one type of database to another type
> of database. It is how I do in my projects.
> After importing, il may be necessary to delete those two
> directories as sometimes jackrabbit (which is behind guvnor to
> store the assets) does not update the index correctly. Yes it
> is normal and a good practice when you install guvnor to a new
> server.
> Now if you are using jboss 5 or 6, modeshape may be a good
> candidate also in replacement of Jackrabbit. But I have never
> used Modeshape (my customer are using jboss 4 or apache
> tomcat, etc..)
> Now are you using the community version ? The question you ask
> is typically one that you would ask to a professional support.
> Regards
> Nicolas Heron
>
> 2011/9/4 puja nandamuri <med_9501 at yahoo.com
> <http://mc/compose?to=med_9501@yahoo.com>>
>
> Hi All,
>
> we are currently using SQLServer as the database
> repository for Guvnor 5.2.0.CR1
>
> Can somone throw some light on how the database is used by
> Guvnor in the following scenario?
>
> the first time we deploy Guvnor,we create an empty
> database and let Guvnor create the necessary Table and
> other structures necessary for it to save and load assets .
>
> assuming that Guvnor creates the required structures such
> as Tables etc during the first deploy and may not need to
> create any further tables , we lock down the database from
> creating any further tables. Guvnor works fine for all
> subsequent rules creation and save.
>
> we had to redeploy Guvnor a second time without changing
> anything with respect to the database.we however, had to
> delete the existing workspace and repository directories
> created on local file system to let Guvnor create them afresh.
>
> the expectation is that Guvnor will read the assets from
> the existing database and create new repository and
> workspace directories on file system .
>
>
> Guvnor threw errors saying
>
> Caused By: java.sql.SQLException: [OWLS][SQLServer JDBC
> Driver][SQLServer]CREATE TABLE permission denied in
> database 'GuvnorRules'.
>
>
> does Guvnor create new Tables everytime we deploy a fresh
> instance of Guvnor to weblogic ?
>
>
> or is it the way that I have generated my repository.xml
> that is causing Guvnor to create new tables to save non
> asset related data such as indexing etc?
>
>
> I have attached a sample of my repository.xml for reference.
>
>
> I appreciate your thoughts and feedback.
>
>
> Thanks,
>
>
> Ram
>
>
>
>
>
>
>
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