7:31 a.m.
Hi All,
I have been using the H2 in memory database to test all my Drools Flow
scenarios using Guvnor and Gwt Console provided. And I have some questions
to ask and was wondering if someone can help. The main plan now is to switch
from using the H2 in memory database to Persist using the Oracle database.
1- What are the files that should be affected in this switch? or where
should I be looking into?
2- Are the tables created dynamically? and under which schema?
3- is there any test case implemented using this technology?
Thnx in advance for your help
Regards,
Ram
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9:28 a.m.
The changes I made for Oracle were:
1. Add ojdbc5 11.1.0.7.0 to classpath
2. Change the hibernate.dialect in persistence.xml to
org.hibernate.dialect.Oracle9Dialect
3. Use oracle.jdbc.xa.client.OracleXADataSource for the PoolingDataSource
class name
The tables will be created depending on how you have persistence.xml
configured (I used hibernate.hbm2ddl.auto value 'create')
However, I did experience a problem with the eventTypes member of
ProcessInstanceInfo:
'create table ProcessInstanceInfo_eventTypes' yields the error 'ORA-00972:
identifier is too long'.
The team is aware of this but I haven't seen a fix yet.
Hope this helps.
ramram wrote:
Hi All,
I have been using the H2 in memory database to test all my Drools Flow
scenarios using Guvnor and Gwt Console provided. And I have some questions
to ask and was wondering if someone can help. The main plan now is to
switch
from using the H2 in memory database to Persist using the Oracle database.
1- What are the files that should be affected in this switch? or where
should I be looking into?
2- Are the tables created dynamically? and under which schema?
3- is there any test case implemented using this technology?
Thnx in advance for your help
Regards,
Ram
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2:20 a.m.
wytten <dale.wyttenbach <at> gmail.com> writes:
The tables will be created depending on how you have persistence.xml
configured (I used hibernate.hbm2ddl.auto value 'create')
However, I did experience a problem with the eventTypes member of
ProcessInstanceInfo:
'create table ProcessInstanceInfo_eventTypes' yields the error 'ORA-00972:
identifier is too long'.
The team is aware of this but I haven't seen a fix yet.
Hope this helps.
Regarding the ProcessInstanceInfo table you can add a hibernate mapping
like
<mapping resource="hbm.xml"/>
in persistence.xml
and then in hbm.xml something similar to
<hibernate-mapping package="com.foo.bar">
<class
name="org.drools.persistence.processinstance.ProcessInstanceEventInfo"
table="PI_EVT_INFO">
<id name="processInstanceId" access="field" type="long"
column="pi_id"/>
</class>
</hibernate-mapping>
It's a while ago that I've been experimenting with the flow persistence but this
was the last step required to finally make it work, as far as I remember.
Regards,
Gerret
7:19 a.m.
Hi wytten,
Please can you help more about this issue of the creation of tables and
using the mapping.
can u give the whole path of the persistence.xml and the tags that are
used. Because I am facing this issue.
Regards,
Ram
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7:47 a.m.
Hi All,
I changed the datasource that was pointing to the in memory database to
oracle. But I am having the following exceptions. Can anyone help in this
issue.
15:28:10,926 INFO [SchemaExport] exporting generated schema to database
15:28:11,348 ERROR [SchemaExport] Unsuccessful: create table
ProcessInstanceInfo (processInstanceId bigint generated by default as
identity, OPTLOCK integer, processId va
rchar(255), startDate timestamp, lastReadDate timestamp,
lastModificationDate timestamp, state integer not null,
processInstanceByteArray blob, externalVariables bit not
null, primary key (processInstanceId))
15:28:11,349 ERROR [SchemaExport] ORA-00907: missing right parenthesis
15:28:11,398 ERROR [SchemaExport] Unsuccessful: create table
ProcessInstanceInfo_eventTypes (ProcessInstanceInfo_processInstanceId bigint
not null, element varchar(255))
15:28:11,399 ERROR [SchemaExport] ORA-00972: identifier is too long
15:28:11,428 ERROR [SchemaExport] Unsuccessful: create table SessionInfo (id
integer generated by default as identity, startDate timestamp,
lastModificationDate timestamp
, dirty bit not null, rulesByteArray blob, primary key (id))
15:28:11,429 ERROR [SchemaExport] ORA-00907: missing right parenthesis
15:28:11,468 ERROR [SchemaExport] Unsuccessful: create table
VariableInstanceInfo (TYPE varchar(50) not null, id bigint generated by
default as identity, name varchar(255
), persister varchar(255), entityClass varchar(255), entityId bigint,
content blob, processId bigint, primary key (id))
15:28:11,469 ERROR [SchemaExport] ORA-00907: missing right parenthesis
15:28:11,509 ERROR [SchemaExport] Unsuccessful: create table WorkItemInfo
(workItemId bigint generated by default as identity, OPTLOCK integer, name
varchar(255), creatio
nDate timestamp, processInstanceId bigint not null, state bigint not null,
workItemByteArray blob, primary key (workItemId))
15:28:11,510 ERROR [SchemaExport] ORA-00907: missing right parenthesis
15:28:11,538 ERROR [SchemaExport] Unsuccessful: alter table
ProcessInstanceInfo_eventTypes add constraint FK2FD59D8CBEE4613C foreign key
(ProcessInstanceInfo_processInsta
nceId) references ProcessInstanceInfo
15:28:11,538 ERROR [SchemaExport] ORA-00972: identifier is too long
15:28:11,588 ERROR [SchemaExport] Unsuccessful: alter table
VariableInstanceInfo add constraint FK7BE49B9F9123C534 foreign key
(processId) references ProcessInstanceInfo
15:28:11,589 ERROR [SchemaExport] ORA-00942: table or view does not exist
15:28:11,590 INFO [SchemaExport] schema export complete
15:28:11,596 INFO [NamingHelper] JNDI InitialContext properties:{}
15:28:12,019 INFO [STDOUT] Hibernate: select sessioninf0_.id as id0_0_,
sessioninf0_.startDate as startDate0_0_, sessioninf0_.lastModificationDate
as lastModi3_0_0_, ses
sioninf0_.dirty as dirty0_0_, sessioninf0_.rulesByteArray as rulesByt5_0_0_
from SessionInfo sessioninf0_ where sessioninf0_.id=?
15:28:12,350 WARN [JDBCExceptionReporter] SQL Error: 942, SQLState: 42000
15:28:12,351 ERROR [JDBCExceptionReporter] ORA-00942: table or view does not
exist
15:28:12,353 INFO [DefaultLoadEventListener] Error performing load command
org.hibernate.exception.SQLGrammarException: could not load an entity:
[org.drools.persistence.session.SessionInfo#1]
at
org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:67)
at
org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.loader.Loader.loadEntity(Loader.java:1874)
at
org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:48)
at
org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:42)
at
org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3044)
at
org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:395)
at
org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:375)
at
org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:139)
at
org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:195)
Regards,
Ram
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8:39 a.m.
Hi Gerret,
I did as u have stated to creating a mapping file for the tables name and
all the tables was succeffuly created except for the SessionInfo table. The
error was because the create table script contains a value of bit which is
not recognaized by oracle. How can I fix this issue? Below is what I have in
the hb.xml and the exception I encountered on the console.
my hb.xml contains.
<class name="org.drools.persistence.session.SessionInfo"
table="DROOL_SESSION_INFO">
<id name="id" access="field" type="integer"
column="session_id"/>
</class>
the following exeption appeared:
16:31:57,471 ERROR [SchemaExport] Unsuccessful: create table
DROOL_SESSION_INFO (session_id integer not null, session_dirty bit, primary
key (session_id))
16:31:57,472 ERROR [SchemaExport] ORA-00902: invalid datatype
Regards,
Ram
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2:15 a.m.
Hi Ram,
I've been using hibernate 3.3 with an Oracle11g which auto-created the
"dirty"
column as a NUMBER(1,0) type.
Giving it a quick try, when I map as you've sketched above and add
<property name="dirty" access="field" type="boolean"
column="dirty" length="1"/>
to the sessionInfo mapping the dirty column is created as NUMBER(1,0). Using
type="true_false" instead of "boolean" it becomes CHAR(1 BYTE).
Perhaps one of these works for you?
Regards,
Gerret
3:02 a.m.
Forgot to mention that you might need to adjust the Hibernate dialect:
<property name="hibernate.dialect"
value="org.hibernate.dialect.OracleDialect"/>
Greetings,
Gerret
4:33 a.m.
Hi All,
Thnx 4 ur help.
The issue is solved but I think that there is another table also that
requires to be mapped
12:31:58,998 ERROR [SchemaExport] Unsuccessful: create table
ProcessInstanceInfo_eventTypes (ProcessInstanceInfo_processInstanceId
number(19,0) not null, element varchar2
(255))
12:31:58,999 ERROR [SchemaExport] ORA-00972: identifier is too long
Regards,
Ram
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12:44 p.m.
The 'identifer is too long' issue was addressed in
https://jira.jboss.org/browse/JBRULES-2448.
However I have added the following comment to that issue:
<comment>
The fix is an improvement, but wouldn't it be better to avoid the
hibernate-specific @CollectionOfElements annotation?
Also the way things are I don't think I can override the table name
'EventTypes' because it is assumed here, in this fix.
</comment>
Are these concerns worthy of a new issue? Not being able (at least not
easily) to override the table name is a nuisance.
Thanks.
ramram wrote:
Hi All,
Thnx 4 ur help.
The issue is solved but I think that there is another table also that
requires to be mapped
12:31:58,998 ERROR [SchemaExport] Unsuccessful: create table
ProcessInstanceInfo_eventTypes (ProcessInstanceInfo_processInstanceId
number(19,0) not null, element varchar2
(255))
12:31:58,999 ERROR [SchemaExport] ORA-00972: identifier is too long
Regards,
Ram
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3 p.m.
I have changed the default table and column names that were causing issues.
https://jira.jboss.org/jira/browse/JBRULES-2448
If there are additional issues, please add a comment on this JIRA.
Kris
Quoting wytten <dale.wyttenbach(a)gmail.com>:
The changes I made for Oracle were:
1. Add ojdbc5 11.1.0.7.0 to classpath
2. Change the hibernate.dialect in persistence.xml to
org.hibernate.dialect.Oracle9Dialect
3. Use oracle.jdbc.xa.client.OracleXADataSource for the
PoolingDataSource
class name
The tables will be created depending on how you have persistence.xml
configured (I used hibernate.hbm2ddl.auto value 'create')
However, I did experience a problem with the eventTypes member of
ProcessInstanceInfo:
'create table ProcessInstanceInfo_eventTypes' yields the error
'ORA-00972:
identifier is too long'.
The team is aware of this but I haven't seen a fix yet.
Hope this helps.
ramram wrote:
>
> Hi All,
>
> I have been using the H2 in memory database to test all my Drools
Flow
> scenarios using Guvnor and Gwt Console provided. And I have some
questions
> to ask and was wondering if someone can help. The main plan now is
to
> switch
> from using the H2 in memory database to Persist using the Oracle
database.
>
> 1- What are the files that should be affected in this switch? or
where
> should I be looking into?
> 2- Are the tables created dynamically? and under which schema?
> 3- is there any test case implemented using this technology?
>
> Thnx in advance for your help
>
> Regards,
> Ram
>
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