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dv_lakshmi
 Post subject: Hibernate + WAS + JbossCache + CMT
PostPosted: Thu Dec 14, 2006 12:32 am 
Newbie

Joined: Tue Dec 12, 2006 9:07 am
Posts: 13
Has anyone come across a working example of Jbosscache as second-level caching mechanism for Hibernate with container managed transactions on Websphere app server ?
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dv_lakshmi
 Post subject: WebsphereExtendedTransactionManagerLookup
PostPosted: Tue Dec 19, 2006 12:37 am 
Newbie

Joined: Tue Dec 12, 2006 9:07 am
Posts: 13
ok. To describe the problem I am facing futher,

Environment:
Hibernate 3.2 , Websphere 6.0, Jbosscache 1.3.0SP4, Jbosscache 1.4.0GA

I have enabled Jboss cache as second level cache for Hibernate. Currently it is in a non-clustered and replicated environment. The application uses EJBs and I have a session bean method which participates in a container managed transaction and invokes the hibernate DAO to fetch data. I get the exception below on invoking the method from a EJB client.

Excerpt from hibernate.cfg.xml are as follows :
Code:
<property name="hibernate.transaction.factory_class">org.hibernate.transaction.CMTTransactionFactory</property>
<property name="hibernate.transaction.manager_lookup_class">org.hibernate.transaction.WebSphereExtendedJTATransactionLookup</property>
<property name="hibernate.current_session_context_class">jta</property>
<property name="hibernate.transaction.flush_before_completion">true</property>
<property name="hibernate.transaction.auto_close_session">true</property>
<property name="hibernate.cache.use_second_level_cache">true</property>
<property name="hibernate.cache.provider_class">org.hibernate.cache.TreeCacheProvider</property>


relevant section from treecache.xml
Code:
<attribute name="TransactionManagerLookupClass">org.jboss.cache.GenericTransactionManagerLookup</attribute>
<attribute name="IsolationLevel">REPEATABLE_READ</attribute>
<attribute name="CacheMode">LOCAL</attribute>


Stacktrace:
Code:
[12/14/06 16:14:42:247 IST] 0000002d ExceptionUtil E CNTR0020E: EJB threw an unexpected (non-declare
d) exception during invocation of method "getValidValuesWithCMT" on bean "BeanId(HibernateCacheProjectEAR#HibernateCacheProject.jar#ValidValueSessionBean, null)". Exception data: java.lang.UnsupportedOperationException
at org.hibernate.transaction.WebSphereExtendedJTATransactionLookup$TransactionManagerAdapter.suspend
(WebSphereExtendedJTATransactionLookup.java:105)
at org.hibernate.cache.TreeCache.suspend(TreeCache.java:101)
at org.hibernate.cache.TreeCache.put(TreeCache.java:71)
at org.hibernate.cache.TransactionalCache.put(TransactionalCache.java:50)
at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:156)
at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:842)
at org.hibernate.loader.Loader.doQuery(Loader.java:717)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
at org.hibernate.loader.Loader.doList(Loader.java:2145)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)
at org.hibernate.loader.Loader.list(Loader.java:2024)
at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)
at com.acs.enterprise.common.program.dataaccess.dao.impl.ValidValueDAOImpl.getValidValueDomainDetail
(ValidValueDAOImpl.java:170)
at ejbs.ValidValueSessionBeanBean.getValidValuesWithCMT(ValidValueSessionBeanBean.java:69)
at ejbs.EJSRemoteStatelessValidValueSessionBean_96e1942d.getValidValuesWithCMT(EJSRemoteStatelessVal
idValueSessionBean_96e1942d.java:79)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))

at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at com.ibm.rmi.util.ProxyUtil$4.run(ProxyUtil.java:727)
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java:351)
at com.ibm.rmi.util.ProxyUtil.invokeWithClassLoaders(ProxyUtil.java:725)
at com.ibm.CORBA.iiop.ClientDelegate.invoke(ClientDelegate.java:1121)
at $Proxy2.getValidValuesWithCMT(Unknown Source)
at ejbs._ValidValueSessionBean_Stub.getValidValuesWithCMT(_ValidValueSessionBean_Stub.java:302)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))

at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at com.ibm.etools.utc.model.ReflectionMethodModel.invoke(ReflectionMethodModel.java:65)
at com.ibm.etools.utc.servlet.InvokeServlet.invoke(InvokeServlet.java:111)
at com.ibm.etools.utc.servlet.InvokeServlet.doPost(InvokeServlet.java:370)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:80)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1657)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:42
1)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:36
7)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:94)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:548)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:601)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:934)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1021)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)

[12/14/06 16:14:42:325 IST] 0000002d OrderedSynchr E failed calling afterCompletion() on TxIntercept
or.LocalSynchronizationHandler(gtx=GlobalTransaction:<null>:1, tx=org.hibernate.transaction.WebSphereExtendedJTATransactionLookup$TransactionManagerAdapter$Tra
nsactionAdapter@0)
[12/14/06 16:14:42:325 IST] 0000002d OrderedSynchr E TRAS0014I: The following exception was logged j
ava.lang.IllegalStateException: illegal status: 5
at org.jboss.cache.interceptors.TxInterceptor$RemoteSynchronizationHandler.afterCompletion(TxInterce
ptor.java:1019)
at org.jboss.cache.interceptors.TxInterceptor$LocalSynchronizationHandler.afterCompletion(TxIntercep
tor.java:1103)
at org.jboss.cache.interceptors.OrderedSynchronizationHandler.afterCompletion(OrderedSynchronization
Handler.java:83)
at org.hibernate.transaction.WebSphereExtendedJTATransactionLookup$1.invoke(WebSphereExtendedJTATran
sactionLookup.java:133)
at $Proxy3.afterCompletion(Unknown Source)
at com.ibm.ws.jtaextensions.SynchronizationCallbackWrapper.afterCompletion(SynchronizationCallbackWr
apper.java:74)
at com.ibm.ws.Transaction.JTA.RegisteredSyncs.distributeAfter(RegisteredSyncs.java:358)
at com.ibm.ws.Transaction.JTA.TransactionImpl.distributeAfter(TransactionImpl.java:3268)
at com.ibm.ws.Transaction.JTA.TransactionImpl.postCompletion(TransactionImpl.java:3312)
at com.ibm.ws.Transaction.JTA.TransactionImpl.internalRollback(TransactionImpl.java:2368)
at com.ibm.ws.Transaction.JTA.TransactionImpl.rollback(TransactionImpl.java:1698)
at com.ibm.ws.Transaction.JTA.TranManagerImpl.rollback(TranManagerImpl.java:274)
at com.ibm.ws.Transaction.JTA.TranManagerSet.rollback(TranManagerSet.java:181)
at com.ibm.ejs.csi.TranStrategy.rollback(TranStrategy.java:911)
at com.ibm.ejs.csi.TranStrategy.handleException(TranStrategy.java:220)
at com.ibm.ejs.csi.TransactionControlImpl.postInvoke(TransactionControlImpl.java:566)
at com.ibm.ejs.container.EJSContainer.postInvoke(EJSContainer.java:3798)
at com.ibm.ejs.container.EJSContainer.postInvoke(EJSContainer.java:3620)
at ejbs.EJSRemoteStatelessValidValueSessionBean_96e1942d.getValidValuesWithCMT(EJSRemoteStatelessVal
idValueSessionBean_96e1942d.java:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))

at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at com.ibm.rmi.util.ProxyUtil$4.run(ProxyUtil.java:727)
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java:351)
at com.ibm.rmi.util.ProxyUtil.invokeWithClassLoaders(ProxyUtil.java:725)
at com.ibm.CORBA.iiop.ClientDelegate.invoke(ClientDelegate.java:1121)
at $Proxy2.getValidValuesWithCMT(Unknown Source)
at ejbs._ValidValueSessionBean_Stub.getValidValuesWithCMT(_ValidValueSessionBean_Stub.java:302)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))

at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at com.ibm.etools.utc.model.ReflectionMethodModel.invoke(ReflectionMethodModel.java:65)
at com.ibm.etools.utc.servlet.InvokeServlet.invoke(InvokeServlet.java:111)
at com.ibm.etools.utc.servlet.InvokeServlet.doPost(InvokeServlet.java:370)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:80)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1657)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:42
1)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:36
7)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:94)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:548)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:601)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:934)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1021)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)
.
                                 java.lang.IllegalStateException: illegal status: 5
at org.jboss.cache.interceptors.TxInterceptor$RemoteSynchronizationHandler.afterCompletion(TxInterce
ptor.java:1019)
at org.jboss.cache.interceptors.TxInterceptor$LocalSynchronizationHandler.afterCompletion(TxIntercep
tor.java:1103)
at org.jboss.cache.interceptors.OrderedSynchronizationHandler.afterCompletion(OrderedSynchronization
Handler.java:83)
at org.hibernate.transaction.WebSphereExtendedJTATransactionLookup$1.invoke(WebSphereExtendedJTATran
sactionLookup.java:133)
at $Proxy3.afterCompletion(Unknown Source)
at com.ibm.ws.jtaextensions.SynchronizationCallbackWrapper.afterCompletion(SynchronizationCallbackWr
apper.java:74)
at com.ibm.ws.Transaction.JTA.RegisteredSyncs.distributeAfter(RegisteredSyncs.java:358)
at com.ibm.ws.Transaction.JTA.TransactionImpl.distributeAfter(TransactionImpl.java:3268)
at com.ibm.ws.Transaction.JTA.TransactionImpl.postCompletion(TransactionImpl.java:3312)
at com.ibm.ws.Transaction.JTA.TransactionImpl.internalRollback(TransactionImpl.java:2368)
at com.ibm.ws.Transaction.JTA.TransactionImpl.rollback(TransactionImpl.java:1698)
at com.ibm.ws.Transaction.JTA.TranManagerImpl.rollback(TranManagerImpl.java:274)
at com.ibm.ws.Transaction.JTA.TranManagerSet.rollback(TranManagerSet.java:181)
at com.ibm.ejs.csi.TranStrategy.rollback(TranStrategy.java:911)
at com.ibm.ejs.csi.TranStrategy.handleException(TranStrategy.java:220)
at com.ibm.ejs.csi.TransactionControlImpl.postInvoke(TransactionControlImpl.java:566)
at com.ibm.ejs.container.EJSContainer.postInvoke(EJSContainer.java:3798)
at com.ibm.ejs.container.EJSContainer.postInvoke(EJSContainer.java:3620)
at ejbs.EJSRemoteStatelessValidValueSessionBean_96e1942d.getValidValuesWithCMT(EJSRemoteStatelessVal
idValueSessionBean_96e1942d.java:98)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))

at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at com.ibm.rmi.util.ProxyUtil$4.run(ProxyUtil.java:727)
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java:351)
at com.ibm.rmi.util.ProxyUtil.invokeWithClassLoaders(ProxyUtil.java:725)
at com.ibm.CORBA.iiop.ClientDelegate.invoke(ClientDelegate.java:1121)
at $Proxy2.getValidValuesWithCMT(Unknown Source)
at ejbs._ValidValueSessionBean_Stub.getValidValuesWithCMT(_ValidValueSessionBean_Stub.java:302)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))

at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at com.ibm.etools.utc.model.ReflectionMethodModel.invoke(ReflectionMethodModel.java:65)
at com.ibm.etools.utc.servlet.InvokeServlet.invoke(InvokeServlet.java:111)
at com.ibm.etools.utc.servlet.InvokeServlet.doPost(InvokeServlet.java:370)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:80)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1657)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:42
1)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:36
7)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:94)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:548)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:601)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:934)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1021)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)




If I used WebsphereTransactionManagerLookup for WAS6.0 instead of WebsphereExtendedJTATransactionLookup ( as was suggested in the hibernate manuals) in hibernate.cfg.xml, I do not see the UnsupportedOperationException being thrown. But I do not what the implications of using WebsphereTransactionManagerLookup on WAS6.0 are.
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dv_lakshmi
 Post subject: Use WebsphereTransactionManager in this case
PostPosted: Tue Dec 26, 2006 5:18 am 
Newbie

Joined: Tue Dec 12, 2006 9:07 am
Posts: 13
Quoted from jboss Wiki that will help resolve this issue.

Quote:
Since the hibernate Cache class that wraps the treeCache may need to interact with the Transaction Manager, one needs to switch from the WebsphereExtendedJTATransactionManager to the WebsphereTransactionManager in order to be able to suspend/resume transactions


For more info, check JbossCache wiki @

http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossCacheAndWAS_6.x
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