Re: [rules-users] Exception using persistence

Tuesday, 8 June 2010

Ok, let me start from what the drools doc descripes at

http://downloads.jboss.com/drools/docs/5.0.1.26597.FINAL/drools-flow/html...

Here is my code

     val kbuilder: KnowledgeBuilder =  
KnowledgeBuilderFactory.newKnowledgeBuilder
     kbuilder.add(ResourceFactory.newClassPathResource("processes/process4.rf"),

ResourceType.DRF);

     val kbase: KnowledgeBase = kbuilder.newKnowledgeBase

     val ds : PoolingDataSource = new PoolingDataSource()
     ds.setUniqueName("jdbc/processInstanceDS")
     ds.setClassName("org.h2.jdbcx.JdbcDataSource")
     ds.setMaxPoolSize(3)
     ds.setAllowLocalTransactions(true)
     ds.getDriverProperties().put("user", "sa")
     ds.getDriverProperties().put("password", "sasa")
     ds.getDriverProperties().put("URL",  
"jdbc:h2:file:/NotBackedUp/data/process-instance-db")
     ds.init

     val emf : EntityManagerFactory =  
Persistence.createEntityManagerFactory( "org.drools.persistence.jpa" )
     val env : Environment = KnowledgeBaseFactory.newEnvironment()
     env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf )

     val ksession : StatefulKnowledgeSession =  
JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env )
     val sessionId = ksession.getId

     ksession.startProcess( "Process4" )
     ksession.dispose();

and the persistence.xml:

<?xml version="1.0" encoding="UTF-8"
standalone="yes"?>
<persistence
   version="1.0"
   xsi:schemaLocation=
     "http://java.sun.com/xml/ns/persistence
      http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd
      http://java.sun.com/xml/ns/persistence/orm
      http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
   xmlns:orm="http://java.sun.com/xml/ns/persistence/orm"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns="http://java.sun.com/xml/ns/persistence">

   <persistence-unit name="org.drools.persistence.jpa">
     <provider>org.hibernate.ejb.HibernatePersistence</provider>
     <jta-data-source>jdbc/processInstanceDS</jta-data-source>
     <class>org.drools.persistence.session.SessionInfo</class>

<class>org.drools.persistence.processinstance.ProcessInstanceInfo</class>

<class>org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo</class>
     <class>org.drools.persistence.processinstance.WorkItemInfo</class>

     <properties>
       <property name="hibernate.dialect"  
value="org.hibernate.dialect.H2Dialect"/>
       <property name="hibernate.max_fetch_depth" value="3"/>
       <property name="hibernate.hbm2ddl.auto" value="update"/>
       <property name="hibernate.show_sql" value="true"/>
       <property name="hibernate.transaction.manager_lookup_class"

value="org.hibernate.transaction.BTMTransactionManagerLookup"/>
     </properties>
   </persistence-unit>
</persistence>

Thats pretty much whats in the drools doc.

But I get

08.06.2010 13:31:52 org.hibernate.cfg.annotations.Version <clinit>
INFO: Hibernate Annotations 3.4.0.GA
08.06.2010 13:31:52 org.hibernate.cfg.Environment <clinit>
INFO: Hibernate 3.3.0.SP1
08.06.2010 13:31:52 org.hibernate.cfg.Environment <clinit>
INFO: hibernate.properties not found
08.06.2010 13:31:52 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: Bytecode provider name : javassist
08.06.2010 13:31:52 org.hibernate.cfg.Environment <clinit>
INFO: using JDK 1.4 java.sql.Timestamp handling
08.06.2010 13:31:52 org.hibernate.annotations.common.Version <clinit>
INFO: Hibernate Commons Annotations 3.1.0.GA
08.06.2010 13:31:52 org.hibernate.ejb.Version <clinit>
INFO: Hibernate EntityManager 3.4.0.GA
08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:  
org.drools.persistence.session.SessionInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.session.SessionInfo on table  
SessionInfo
08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:  
org.drools.persistence.processinstance.ProcessInstanceInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity  
org.drools.persistence.processinstance.ProcessInstanceInfo on table  
ProcessInstanceInfo
08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:  
org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity  
org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo  
on table VariableInstanceInfo
08.06.2010 13:31:53 org.hibernate.cfg.AnnotationBinder bindClass
INFO: Binding entity from annotated class:  
org.drools.persistence.processinstance.WorkItemInfo
08.06.2010 13:31:53 org.hibernate.cfg.annotations.EntityBinder bindTable
INFO: Bind entity org.drools.persistence.processinstance.WorkItemInfo on  
table WorkItemInfo
08.06.2010 13:31:54 org.hibernate.cfg.annotations.CollectionBinder  
bindOneToManySecondPass
INFO: Mapping collection:  
org.drools.persistence.processinstance.ProcessInstanceInfo.variables ->  
VariableInstanceInfo
08.06.2010 13:31:54 org.hibernate.cfg.AnnotationConfiguration  
secondPassCompile
INFO: Hibernate Validator not found: ignoring
08.06.2010 13:31:54  
org.hibernate.cfg.search.HibernateSearchEventListenerRegister  
enableHibernateSearch
INFO: Unable to find org.hibernate.search.event.FullTextIndexEventListener  
on the classpath. Hibernate Search is not enabled.
08.06.2010 13:31:54 org.hibernate.util.NamingHelper getInitialContext
INFO: JNDI InitialContext properties:{}
08.06.2010 13:31:54 org.hibernate.connection.DatasourceConnectionProvider  
configure
INFO: Using datasource: jdbc/processInstanceDS
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: RDBMS: H2, version: 1.0.77 (2008-08-16)
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC driver: H2 JDBC Driver, version: 1.0.77 (2008-08-16)
08.06.2010 13:31:56 org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.H2Dialect
08.06.2010 13:31:56 org.hibernate.transaction.TransactionFactoryFactory  
buildTransactionFactory
INFO: Transaction strategy:  
org.hibernate.ejb.transaction.JoinableCMTTransactionFactory
08.06.2010 13:31:56  
org.hibernate.transaction.TransactionManagerLookupFactory  
getTransactionManagerLookup
INFO: instantiating TransactionManagerLookup:  
org.hibernate.transaction.BTMTransactionManagerLookup
08.06.2010 13:31:56  
org.hibernate.transaction.TransactionManagerLookupFactory  
getTransactionManagerLookup
INFO: instantiated TransactionManagerLookup
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic flush during beforeCompletion(): disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic session close at end of transaction: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch size: 15
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch updates for versioned data: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Scrollable result sets: enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC3 getGeneratedKeys(): enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Connection release mode: auto
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Maximum outer join fetch depth: 3
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default batch fetch size: 1
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Generate SQL with comments: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL updates by primary key: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL inserts for batching: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory  
createQueryTranslatorFactory
INFO: Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
08.06.2010 13:31:56 org.hibernate.hql.ast.ASTQueryTranslatorFactory <init>
INFO: Using ASTQueryTranslatorFactory
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query language substitutions: {}
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JPA-QL strict compliance: enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Second-level cache: enabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query cache: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory createRegionFactory
INFO: Cache region factory :  
org.hibernate.cache.impl.NoCachingRegionFactory
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Optimize cache for minimal puts: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Structured second-level cache entries: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Echoing all SQL to stdout
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Statistics: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Deleted entity synthetic identifier rollback: disabled
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default entity-mode: pojo
08.06.2010 13:31:56 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Named query checking : enabled
08.06.2010 13:31:56 org.hibernate.impl.SessionFactoryImpl <init>
INFO: building session factory
08.06.2010 13:31:57 org.hibernate.impl.SessionFactoryObjectFactory  
addInstance
INFO: Not binding factory to JNDI, no JNDI name configured
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: Running hbm2ddl schema update
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: fetching database metadata
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: updating schema
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.PROCESSINSTANCEINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [externalvariables, startdate, lastreaddate, state,  
processinstancebytearray, optlock, processid, lastmodificationdate,  
processinstanceid]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary_key_4]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found:  
PROCESS-INSTANCE-DB.PUBLIC.PROCESSINSTANCEINFO_EVENTTYPES
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [element, processinstanceinfo_processinstanceid]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: [fk2fd59d8cbee4613c]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [fk2fd59d8cbee4613c_index_b]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.SESSIONINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [rulesbytearray, id, startdate, dirty, lastmodificationdate]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary_key_7]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.VARIABLEINSTANCEINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [id, persister, name, type, processid]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: [fk7be49b9f9123c534]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [fk7be49b9f9123c534_index_2, primary_key_2]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: table found: PROCESS-INSTANCE-DB.PUBLIC.WORKITEMINFO
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: columns: [workitembytearray, name, workitemid, state, optlock,  
creationdate, processinstanceid]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: foreign keys: []
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: indexes: [primary_key_b]
08.06.2010 13:31:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: schema update complete
08.06.2010 13:31:57 bitronix.tm.BitronixTransactionManager logVersion
INFO: Bitronix Transaction Manager version 1.3.2
08.06.2010 13:31:57 bitronix.tm.Configuration buildServerIdArray
WARNUNG: cannot get this JVM unique ID. Make sure it is configured and you  
only use ASCII characters. Will use IP address instead (unsafe for  
production usage!).
08.06.2010 13:31:58 bitronix.tm.Configuration buildServerIdArray
INFO: JVM unique ID: <192.168.254.2>
08.06.2010 13:31:58 bitronix.tm.journal.DiskJournal open
WARNUNG: active log file is unclean, previous server crash ?
08.06.2010 13:31:58 bitronix.tm.recovery.Recoverer run
INFO: recovery committed 0 dangling transaction(s) and rolled back 0  
aborted transaction(s) on 1 resource(s) [jdbc/processInstanceDS]
08.06.2010 13:31:58 org.eclipse.jetty.util.log.Slf4jLog info
INFO: Logging to  
org.slf4j.impl.JDK14LoggerAdapter(org.eclipse.jetty.util.log) via  
org.eclipse.jetty.util.log.Slf4jLog
Exception in thread "main" java.lang.RuntimeException: Could not commit  
session
	at  
org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:133)
	at  
org.drools.persistence.jpa.impl.JPAKnowledgeServiceProviderImpl.newStatefulKnowledgeSession(JPAKnowledgeServiceProviderImpl.java:44)
	at  
org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:93)
	at com.rob.tests.AnyTest$.test2(AnyTest.scala:44)
	at com.rob.tests.AnyTest$.main(AnyTest.scala:18)
	at com.rob.tests.AnyTest.main(AnyTest.scala)
Caused by: javax.naming.NameNotFoundException; remaining name  
'UserTransaction'
	at org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:576)
	at org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:663)
	at org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:678)
	at  
org.eclipse.jetty.jndi.java.javaRootURLContext.lookup(javaRootURLContext.java:110)
	at javax.naming.InitialContext.lookup(InitialContext.java:392)
	at  
org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:109)
	... 5 more

(This test is in a class file called "AnyTest.scala")

Cheers, Rob

P.S. Thanks for your patience and help.

Am 08.06.2010, 09:44 Uhr, schrieb PAYET, Manuel  
<manuel.payet(a)capgemini.com&gt;:

...
 Robert, what's your application server, or your transaction
manager?
 I successfully tested with bitronix in my J2SE application, and with the  
 jboss application server transaction manager.

 I don't have any further idea for your problem, but, from my own point  
 of view, it's not so dirty to bind it to java:comp/UserTransaction, and  
 is probably your only way to do things without patching the code (as you  
 seem to have seen in the source code "java:comp/UserTransaction" is not  
 in a variable so...

 -----Message d'origine-----
 De : robert.weissmann(a)web.de [mailto:robert.weissmann@web.de]
 Envoyé : lundi 7 juin 2010 20:50
 À : Rules Users List; Mark Proctor; PAYET, Manuel
 Objet : Re: [rules-users] Exception using persistence

 For additional information:

 JPAKnowledgeService.newStatefulKnowledgeSession uses

 org.drools.persistence.session.SingleSessionCommandService

 where "java:comp/UserTransaction" is used (I checked the drools source  
 code). Looks like there is no way to change this.

 I just wonder that I am the only one having this problem.

 As I said "comp/UserTransaction" works, but
"java:comp/UserTransaction"
 doesn't, but in the docs "java:comp/UserTransaction" is used !?!?!?

 Cheers, Rob.

 Am 07.06.2010, 16:22 Uhr, schrieb PAYET, Manuel
 <manuel.payet(a)capgemini.com&gt;:

> It's probably that your transaction manager, for an odd reason,
> doesn't bind with the good name; You can do the following workaround:
>
> Final InitialContext initContext = new InitialContext();
>
initContext.bind("java:comp/UserTransaction",initContext.lookup("comp/
> UserTransaction"));
>
> And voila, those two jndi name should point to the same object.
>
> I stress the fact that what I've written hasn't been tested.
>
> -----Message d'origine-----
> De : rules-users-bounces(a)lists.jboss.org
> [mailto:rules-users-bounces@lists.jboss.org] De la part de Robert
> Envoyé : lundi 7 juin 2010 16:16 À : rules-users(a)lists.jboss.org; Mark
> Proctor Objet : Re: [rules-users] Exception using persistence
>
> Hi,
>
> still struggling with this one (see below),
>
> but I did a slide change in the test-code
>
>      try {
>        val env = new java.util.Hashtable[String, String]
>        env.put(Context.INITIAL_CONTEXT_FACTORY,
> "bitronix.tm.jndi.BitronixInitialContextFactory")
>        val ctx = new InitialContext(env)
>        val ut1 : UserTransaction = (ctx.lookup(
> "java:comp/UserTransaction")).asInstanceOf[UserTransaction]
>      } catch {
>        case ex: Exception => ex.printStackTrace()
>      }
>
> (Sorry, code is in Scala, but should not be a problem to read it).
>
> Instead of "java:comp/UserTransaction" (as written in the docs) I
> wrote "comp/UserTransaction" and it works.
>
> But since this is some test-code and I am able to do the look-up as I
> want ("comp/UserTransaction"), as soon as I use
>
>
> JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env )
>
>
> I have no influence anymore (its drools-code ;-) and it looks like its
> using internally "java:comp/UserTransaction".
>
>
> Is there any way to change this (setting it) ?
>
> Cheers, Rob
>
>
>
> Am 01.06.2010, 23:54 Uhr, schrieb Robert <robert.weissmann(a)web.de&gt;:
>
>> Well, I tried this but it does not work.
>>
>> Checking additionally the BitronixInitialContextFactory API where it
>> says:
>>
>> ---------------------------------------------
>> "Implementation of InitialContextFactory that allows lookup of
>> transaction manager and registered resources.
>>
>> The easiest way to use this provider is to create a jndi.properties
>> file in your classpath with this content:
>> java.naming.factory.initial=bitronix.tm.jndi.BitronixInitialContextFa
>> c tory Alternatively, you can create a InitialContext object with an
>> environment pointing to this class:
>>   Hashtable env = new Hashtable();
>>   env.put(Context.INITIAL_CONTEXT_FACTORY,
>> "bitronix.tm.jndi.BitronixInitialContextFactory");
>>   Context ctx = new InitialContext(env);
>>
>> The transaction manager can be looked up at the standard URL
>> java:comp/UserTransaction while resources can be looked up using
>> their unique name as set in ResourceBean.getUniqueName(). "
>> ---------------------------------------------
>>
>>
>> So, I tried the following ( Its in Scala, but shouldn't be a problem
>> to
>> read):
>>
>>    try {
>>      val env = new java.util.Hashtable[String, String]
>>      env.put(Context.INITIAL_CONTEXT_FACTORY,
>> "bitronix.tm.jndi.BitronixInitialContextFactory");
>>      val ctx = new InitialContext(env);
>>      val ut1 : UserTransaction = (ctx.lookup(
>> "java:comp/UserTransaction"
>> )).asInstanceOf[UserTransaction]
>>    } catch {
>>      case ex: Exception => ex.printStackTrace()
>>    }
>>
>>
>> But still getting the same problem as before at line   "val ut1 :
...".
>>
>> What I do not get is that the Bitronix API says that the standard URL
>> is "java:comp/UserTransaction", but its somehow not found !?!?!?
>>
>> Any ideas ?
>>
>> Cheers, Rob.
>>
>>
>>
>> Am 31.05.2010, 02:54 Uhr, schrieb Mark Proctor <mproctor(a)codehaus.org&gt;:
>>
>>> On 30/05/2010 20:28, Robert wrote:
>>>> Hi, I followed the instructions on setting up the persistence in
>>>> the drools flow doc, but I get the following exception:
>>>>
>>>>
>>>> Exception in thread "main" java.lang.RuntimeException: Could
not
>>>> commit session
>>>> 	at
>>>>
org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:133)
>>>> 	at
>>>>
org.drools.persistence.jpa.impl.JPAKnowledgeServiceProviderImpl.newStatefulKnowledgeSession(JPAKnowledgeServiceProviderImpl.java:44)
>>>> 	at
>>>>
org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:93)
>>>> 	at
>>>>
com.rob.server.core.process.drools.tasks.DroolsProcessHandler.<init>(DroolsProcessHandler.scala:130)
>>>> 	at
>>>>
com.rob.server.core.process.drools.tasks.StartDroolsProcessHandler$.main(DroolsProcessHandler.scala:33)
>>>> 	at
>>>> com.rob.server.core.process.drools.tasks.StartDroolsProcessHandler.
>>>> m
>>>> ain(DroolsProcessHandler.scala) Caused by:
>>>> javax.naming.NameNotFoundException; remaining name
'UserTransaction'
>>>> 	at
>>>> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:576)
>>>> 	at
>>>> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:663)
>>>> 	at
>>>> org.eclipse.jetty.jndi.NamingContext.lookup(NamingContext.java:678)
>>>> 	at
>>>>
org.eclipse.jetty.jndi.java.javaRootURLContext.lookup(javaRootURLContext.java:110)
>>>> 	at javax.naming.InitialContext.lookup(InitialContext.java:392)
>>>> 	at
>>>>
org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:109)
>>>> 	... 5 more
>>>>
>>>>
>>>> I have no idea what this means. I guess SingleSessionCommandService
>>>> is looking up for "UserTransaction", but whats the
"UserTransaction"  
>>>> ?
>>>>
>>> You need to configure JTA and JNDI, it uses the standard JNDI lookup
>>> mechanism to find the UserTransaction it's to be associated with.
>>> See javadocs example here:
>>> http://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifa
>>> c
>>> t/trunk/target/javadocs/stable/drools-api/org/drools/persistence/jpa
>>> /
>>> JPAKnowledgeService.html
>>>
>>> Each transaction framework has a different way to be configured,
>>> some are simpler than others.
>>>
>>> Mark
>>>> Cheers, Rob.
>>>>
>>>>
>>>
>>>
>>> _______________________________________________
>>> rules-users mailing list
>>> rules-users(a)lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>>
>
>
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>
>
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Re: [rules-users] Exception using persistence