[rules-users] Drools Persistence Problem

dmiller44 dmiller at versatile.com
Sat Jan 9 01:28:49 EST 2010 

And, for what it is worth, this is a Spring project.  I don't know if that
changes anything, or allows me to configure things differently. 



dmiller44 wrote:
> 
> I'm using Tomcat 5.5.27 -- I followed the guide you posted, so everything
> described step by step is how I set up my Tomcat instance.
> 
> The only difference was, when I used the JNDI config they have in
> resources.properties, and added the <Resource> tag in context.xml, I get
> an error that says:
> 
> Caused by: javax.naming.NameNotFoundException: Name jdbc is not bound in
> this Context
> 
> 
> However, when I remove the <Resource> from the context.xml and remove
> everything from resource.properties, and put back the code I posted
> originally (the snippet where I created a new PoolingDataSource and
> registered it via InitialContext), I get the error I posted about the file
> locking.
> 
> I hope that provides some ideas.  Is there something that maybe I
> described wrong in persistence.xml -- should I try using
> comp/env/jdbc/testDS1 instead of jdbc/testDS1 ?  
> 
> Thanks.
> 
> 
> 
> nfox241 wrote:
>> 
>> 
>> What application server are you using?  What did you add to your server's
>> configuration files? 
>> 
>> For tomcat 6, a few things have to be set.  I've found the following link
>> helpful in the past: http://docs.codehaus.org/display/BTM/Tomcat13
>> 
>> 
>> 
>> 
>> 
>> dmiller44 wrote:
>>> 
>>> After trying suggestion below -- I am now getting the following stack. 
>>> I've tried deleting the database-generated files figuring a lock
>>> existed, but I still get this (even though the files get re-created):
>>> 
>>> 
>>> org.springframework.beans.factory.BeanCreationException: Error creating
>>> bean with name 'droolsEngineFactory' defined in ServletContext resource
>>> [/WEB-INF/spring/summit/summit-specific.xml]: Invocation of init method
>>> failed; nested exception is javax.persistence.PersistenceException:
>>> [PersistenceUnit: org.drools.persistence.jpa] Unable to build
>>> EntityManagerFactory
>>> 	at
>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
>>> 	at java.security.AccessController.doPrivileged(Native Method)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
>>> 	at
>>> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
>>> 	at
>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
>>> 	at
>>> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
>>> 	at
>>> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
>>> 	at
>>> org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
>>> 	at
>>> org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
>>> 	at
>>> org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
>>> 	at
>>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764)
>>> 	at
>>> org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
>>> 	at
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
>>> 	at
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
>>> 	at
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
>>> 	at
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
>>> 	at
>>> org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
>>> 	at
>>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
>>> 	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1150)
>>> 	at
>>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
>>> 	at
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
>>> 	at
>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
>>> 	at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
>>> 	at
>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
>>> 	at
>>> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
>>> 	at
>>> org.apache.catalina.core.StandardService.start(StandardService.java:448)
>>> 	at
>>> org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
>>> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
>>> 	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
>>> Caused by: javax.persistence.PersistenceException: [PersistenceUnit:
>>> org.drools.persistence.jpa] Unable to build EntityManagerFactory
>>> 	at
>>> org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:677)
>>> 	at
>>> org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:126)
>>> 	at
>>> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)
>>> 	at
>>> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:60)
>>> 	at
>>> com.versatile.mte.drools.engine.DroolsEngineFactory.init(DroolsEngineFactory.java:176)
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1414)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1375)
>>> 	at
>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
>>> 	... 39 more
>>> Caused by: org.hibernate.HibernateException: Could not obtain BTM
>>> transaction manager instance
>>> 	at
>>> org.hibernate.transaction.BTMTransactionManagerLookup.getTransactionManager(BTMTransactionManagerLookup.java:50)
>>> 	at
>>> org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:357)
>>> 	at
>>> org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327)
>>> 	at
>>> org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
>>> 	at
>>> org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)
>>> 	... 50 more
>>> Caused by: java.lang.reflect.InvocationTargetException
>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> 	at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>> 	at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>> 	at
>>> org.hibernate.transaction.BTMTransactionManagerLookup.getTransactionManager(BTMTransactionManagerLookup.java:47)
>>> 	... 54 more
>>> Caused by: bitronix.tm.utils.InitializationException: recovery failed,
>>> cannot safely start the transaction manager
>>> 	at
>>> bitronix.tm.BitronixTransactionManager.<init>(BitronixTransactionManager.java:65)
>>> 	at
>>> bitronix.tm.TransactionManagerServices.getTransactionManager(TransactionManagerServices.java:41)
>>> 	... 59 more
>>> Caused by: java.nio.channels.OverlappingFileLockException
>>> 	at
>>> sun.nio.ch.FileChannelImpl$SharedFileLockTable.checkList(FileChannelImpl.java:1170)
>>> 	at
>>> sun.nio.ch.FileChannelImpl$SharedFileLockTable.add(FileChannelImpl.java:1072)
>>> 	at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:878)
>>> 	at
>>> bitronix.tm.journal.TransactionLogAppender.<init>(TransactionLogAppender.java:51)
>>> 	at bitronix.tm.journal.DiskJournal.open(DiskJournal.java:131)
>>> 	at
>>> bitronix.tm.BitronixTransactionManager.<init>(BitronixTransactionManager.java:47)
>>> 	... 60 more
>>> 
>>> 
>>> 
>>> 
>>> nfox241 wrote:
>>>> 
>>>> Do you have the correct Bitronix configuration setup in your server's
>>>> configuration file? 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> dmiller44 wrote:
>>>>> 
>>>>> I'm having a lot of trouble getting the default Drools persistence
>>>>> stuff working as it's documented in the Drools Flow manual.  Below
>>>>> I've included the stack trace, my dependencies (only those related to
>>>>> drools persistence), my code snipped (which gets compiled into a jar
>>>>> and used by a war) and the persistence.xml file (which is also
>>>>> compiled into the jar under META-INF/persistence.xml).  Any help would
>>>>> be appreciated.
>>>>> 
>>>>> *Note:  I tried posting this yesterday, but it doesnt seem to have
>>>>> made it to the mailing list, so sorry for a double post if it did *
>>>>> 
>>>>> Stack trace:
>>>>> 
>>>>> 2010-01-07
>>>>> 15:36:26,599|org.springframework.web.context.ContextLoader|main|ERROR||
>>>>> Context initialization failed
>>>>> org.springframework.beans.factory.BeanCreationException: Error
>>>>> creating bean with name 'droolsEngineFactory' defined in
>>>>> ServletContext resource [/WEB-INF/spring/summit/summit-specific.xml]:
>>>>> Invocation of init method failed; nested exception is
>>>>> java.lang.RuntimeException: Could not commit session
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
>>>>> 	at java.security.AccessController.doPrivileged(Native Method)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
>>>>> 	at
>>>>> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
>>>>> 	at
>>>>> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
>>>>> 	at
>>>>> org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
>>>>> 	at
>>>>> org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
>>>>> 	at
>>>>> org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
>>>>> 	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1150)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
>>>>> 	at
>>>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
>>>>> 	at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardService.start(StandardService.java:448)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
>>>>> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
>>>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>> 	at
>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>> 	at
>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>>>> 	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
>>>>> 	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
>>>>> Caused by: 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.versatile.mte.drools.engine.DroolsEngineFactory.init(DroolsEngineFactory.java:189)
>>>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>> 	at
>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>> 	at
>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1414)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1375)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
>>>>> 	... 39 more
>>>>> Caused by: javax.naming.NamingException: Cannot create resource
>>>>> instance
>>>>> 	at
>>>>> org.apache.naming.factory.TransactionFactory.getObjectInstance(TransactionFactory.java:113)
>>>>> 	at
>>>>> javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:793)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:140)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:781)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:153)
>>>>> 	at org.apache.naming.SelectorContext.lookup(SelectorContext.java:137)
>>>>> 	at javax.naming.InitialContext.lookup(InitialContext.java:392)
>>>>> 	at
>>>>> org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:109)
>>>>> 	... 49 more
>>>>> 2010-01-07
>>>>> 15:36:26,607|org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/mte-web-portal]|main|ERROR||
>>>>> Exception sending context initialized event to listener instance of
>>>>> class org.springframework.web.context.ContextLoaderListener
>>>>> org.springframework.beans.factory.BeanCreationException: Error
>>>>> creating bean with name 'droolsEngineFactory' defined in
>>>>> ServletContext resource [/WEB-INF/spring/summit/summit-specific.xml]:
>>>>> Invocation of init method failed; nested exception is
>>>>> java.lang.RuntimeException: Could not commit session
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
>>>>> 	at java.security.AccessController.doPrivileged(Native Method)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
>>>>> 	at
>>>>> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
>>>>> 	at
>>>>> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
>>>>> 	at
>>>>> org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
>>>>> 	at
>>>>> org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
>>>>> 	at
>>>>> org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
>>>>> 	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1150)
>>>>> 	at
>>>>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
>>>>> 	at
>>>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
>>>>> 	at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
>>>>> 	at
>>>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardService.start(StandardService.java:448)
>>>>> 	at
>>>>> org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
>>>>> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
>>>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>> 	at
>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>> 	at
>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>>>> 	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
>>>>> 	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
>>>>> Caused by: 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.versatile.mte.drools.engine.DroolsEngineFactory.init(DroolsEngineFactory.java:189)
>>>>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>> 	at
>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>> 	at
>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>> 	at java.lang.reflect.Method.invoke(Method.java:597)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1414)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1375)
>>>>> 	at
>>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
>>>>> 	... 39 more
>>>>> Caused by: javax.naming.NamingException: Cannot create resource
>>>>> instance
>>>>> 	at
>>>>> org.apache.naming.factory.TransactionFactory.getObjectInstance(TransactionFactory.java:113)
>>>>> 	at
>>>>> javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:793)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:140)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:781)
>>>>> 	at org.apache.naming.NamingContext.lookup(NamingContext.java:153)
>>>>> 	at org.apache.naming.SelectorContext.lookup(SelectorContext.java:137)
>>>>> 	at javax.naming.InitialContext.lookup(InitialContext.java:392)
>>>>> 	at
>>>>> org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:109)
>>>>> 	... 49 more
>>>>> 
>>>>> 
>>>>> Dependencies:
>>>>> 
>>>>>  <file name="hibernate-3.3.1.ga.jar"/>
>>>>> <file name="hibernate-annotations-3.4.0.ga.jar"/>
>>>>> <file name="hibernate-commons-annotations-3.4.0.ga.jar"/>
>>>>> <file name="hibernate-entitymanager-3.4.0.ga.jar"/>
>>>>> <file name="javassist-3.4.ga.jar"/>
>>>>> <file name="jta-1.1.jar"/>
>>>>> <file name="dom4j-1.6.1.jar"/>
>>>>> <file name="slf4j-jdk14-1.5.2.jar" />
>>>>> <file name="btm-1.3.2.jar" />
>>>>> <file name="h2-1.0.77.jar" />
>>>>> <file name="postgresql-8.1-407.jdbc3.jar"/>
>>>>> <file name="drools-persistence-jpa-5.1.0.M1.jar" />
>>>>> <file name="commons-dbcp-1.2.2.jar" />
>>>>> <file name="commons-logging-1.1.1.jar"/>
>>>>> <file name="commons-pool-1.5.1.jar"/>
>>>>> 
>>>>> 
>>>>> Code Snippet (part that should be loading via JPA):
>>>>> 
>>>>>         //ADDED FOR DROOLS PERSISTENCE
>>>>>         PoolingDataSource ds = new PoolingDataSource();
>>>>>         ds.setUniqueName("jdbc/testDS1");
>>>>>         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:/var/tmp/process-instance-db");
>>>>>         ds.init();
>>>>> 
>>>>>         try {
>>>>>             Context ctx = new InitialContext();
>>>>>             ctx.createSubcontext("jdbc");
>>>>>             ctx.rebind("jdbc/testDS1",ds);
>>>>>             ctx.close();
>>>>>         } catch (NamingException e) {
>>>>>             e.printStackTrace();  //To change body of catch statement
>>>>> use File | Settings | File Templates.
>>>>>         }
>>>>> 
>>>>>         Environment env = KnowledgeBaseFactory.newEnvironment();
>>>>>         EntityManagerFactory emf =
>>>>> Persistence.createEntityManagerFactory("org.drools.persistence.jpa");
>>>>>         env.set(EnvironmentName.ENTITY_MANAGER_FACTORY,emf);
>>>>> 
>>>>>         //grab a session
>>>>>         LOG.debug("Initializing a new StatefulKnowledgeSession...");
>>>>>         //this.ksession = this.kbase.newStatefulKnowledgeSession();
>>>>>         this.ksession =
>>>>> JPAKnowledgeService.newStatefulKnowledgeSession(kbase,null,env);
>>>>> 
>>>>> 
>>>>> And finally the persistence.xml file:
>>>>> 
>>>>> <?xml version="1.0" encoding="UTF-8"?>
>>>>> <persistence version="1.0"
>>>>> xmlns="http://java.sun.com/xml/ns/persistence"
>>>>> xmlns:orm="http://java.sun.com/xml/ns/persistence/orm"
>>>>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>>>>> 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">
>>>>>  <!--persistence-unit name="ProcessService">
>>>>>   <jta-data-source>java:/DefaultDS</jta-data-source>
>>>>>   <properties>
>>>>>    <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
>>>>>   </properties>
>>>>>  </persistence-unit-->
>>>>>     <persistence-unit name="org.drools.persistence.jpa"
>>>>> transaction-type="JTA">
>>>>>         <provider>org.hibernate.ejb.HibernatePersistence</provider>
>>>>>         <jta-data-source>jdbc/testDS1</jta-data-source>        
>>>>>         <class>org.drools.persistence.session.SessionInfo</class>
>>>>>    
>>>>> <class>org.drools.persistence.processinstance.ProcessInstanceInfo</class>
>>>>>    
>>>>> <class>org.drools.persistence.processinstance.ProcessInstanceEventInfo</class>
>>>>>     <class>org.drools.persistence.processinstance.WorkItemInfo</class>
>>>>>    
>>>>> <class>org.drools.persistence.processinstance.variabletypes.JPAPersistedVariable</class>
>>>>>    
>>>>> <class>org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo</class>
>>>>>    
>>>>> <class>org.drools.persistence.processinstance.variabletypes.SerializablePersistedVariable</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="false" />	
>>>>>             <property
>>>>> name="hibernate.transaction.manager_lookup_class"
>>>>> value="org.hibernate.transaction.BTMTransactionManagerLookup" />
>>>>> 	    </properties>        
>>>>>     </persistence-unit>
>>>>> </persistence>
>>>>> 
>>>>> 
>>>>> Any help would be appreciated.  This is getting rather frustrating.
>>>>> 
>>>>> 
>>>> 
>>>> 
>>> 
>>> 
>> 
>> 
> 
> 

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