[rules-users] Human Task - ERROR : JPAKnowledgeService.newStatefulKnowledgeSession ... + persistence.xml

[S.M.H.Jamali]

i share persistence.xmlhere
yes i configure the persistence with JTA but i dont sure about correctness of it !

 
i have some other files beside persistence.xml that maybe can help : 
ormTask.xml
JBPMorm.xml
jboss-web.xml

Thanks 

S.M.H.Jamali


________________________________
From: Mauricio Salatino <salaboy at gmail.com>
To: S.M.H.Jamali <cpps98 at yahoo.com>; Rules Users List <rules-users at lists.jboss.org>
Sent: Wednesday, November 9, 2011 8:22 PM
Subject: Re: [rules-users] Human Task - ERROR : JPAKnowledgeService.newStatefulKnowledgeSession ...


You will need to solve that problem. looks like a configuration problem, can you share the persistence.xml file? did you configure persistence with JTA?
Cheers


2011/11/9 S.M.H.Jamali <cpps98 at yahoo.com>

Hello all,
>
>
>I get an exception while last line of below method executed : 
>
>
>
>    public StatefulKnowledgeSession createSession() throws Exception {
>        
>        /*
>         * Create the knowledgebase using the required bpmn and drl files
>         */
>        KnowledgeBase kbase = readKnowledgeBase("HumanTask.bpmn");
>        EntityManagerFactory emf = Persistence.createEntityManagerFactory( "org.jbpm.persistence.jpa" );
>        Environment env =
 KnowledgeBaseFactory.newEnvironment();
>        env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf );
>        env.set( EnvironmentName.TRANSACTION_MANAGER, TransactionManagerServices.getTransactionManager() );
>        env.set( EnvironmentName.GLOBALS, new MapGlobalResolver() );
>        
>        Properties properties = new Properties();
>        properties.put("drools.processInstanceManagerFactory", "org.jbpm.persistence.processinstance.JPAProcessInstanceManagerFactory");
>        properties.put("drools.processSignalManagerFactory", "org.jbpm.persistence.processinstance.JPASignalManagerFactory");
>        KnowledgeSessionConfiguration config =
 KnowledgeBaseFactory.newKnowledgeSessionConfiguration(properties);
>    
>        return JPAKnowledgeService.newStatefulKnowledgeSession(kbase, config, env);
>            
>    }
>
> 
>its stack-trace is : 
>
>14:26:13,111 WARN  [JtaTransactionManager] Participating in existing JTA transaction, but no JTA TransactionManager or TransactionSychronizationRegistry available: 
>java.lang.NullPointerException
>    at org.drools.persistence.jta.JtaTransactionManager.registerTransactionSynchronization(JtaTransactionManager.java:221)
>    at org.drools.persistence.SingleSessionCommandService.registerRollbackSync(SingleSessionCommandService.java:333)
>    at org.drools.persistence.SingleSessionCommandService.<init>(SingleSessionCommandService.java:123)
>    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)...
>
>Can anyone help me to solve this problem ?
>Thanks in advance
>S.M.H.Jamali
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>rules-users at lists.jboss.org
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>
>


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 - Salatino "Salaboy" Mauricio -



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