jBPM error while calling EJB
I am using jBPM in my EJB. This EJB is a DC in DTR. After deploying this DC, when I call this EJB I get the following error :
java.rmi.RemoteException: com.sap.engine.services.ejb.exceptions.BaseRemoteException: Exception in method listOpenTasks.
at com.test.bpm.ejb.BpmEJBObjectImpl0.listOpenTasks(BpmEJBObjectImpl0.java:174)
at com.test.bpm.ejb.BpmEJBObjectImpl0p4_Skel.dispatch(BpmEJBObjectImpl0p4_Skel.java:216)
at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:294)
at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:183)
at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:119)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:95)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:160)
Caused by: com.sap.engine.services.ejb.exceptions.BaseRuntimeException: Cannot create an instance of the stateless bean.
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.getActiveBean(BeanFactory.java:192)
at com.sap.engine.services.ejb.session.stateless_sp5.StatelessContainerFP.getActiveBean(StatelessContainerFP.java:183)
at com.test.bpm.ejb.BpmEJBObjectImpl0.listOpenTasks(BpmEJBObjectImpl0.java:167)
... 10 more
Caused by: java.lang.NoClassDefFoundError: org/jbpm/db/JbpmSessionFactory
at com.test.bpm.dao.BpmDAO.<clinit>(BpmDAO.java:35)
at com.test.bpm.ejb.BpmEJBBean.<init>(BpmEJBBean.java:21)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.createObject(BeanFactory.java:106)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.doResizeOneStepUp(ContainerPoolImpl.java:374)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.ensureNotEmpty(ContainerPoolImpl.java:343)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.pop(ContainerPoolImpl.java:291)
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.getActiveBean(BeanFactory.java:188)
... 12 more
; nested exception is:
java.lang.RuntimeException: com.sap.engine.services.ejb.exceptions.BaseRuntimeException: Cannot create an instance of the stateless bean.
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.getActiveBean(BeanFactory.java:192)
at com.sap.engine.services.ejb.session.stateless_sp5.StatelessContainerFP.getActiveBean(StatelessContainerFP.java:183)
at com.test.bpm.ejb.BpmEJBObjectImpl0.listOpenTasks(BpmEJBObjectImpl0.java:167)
at com.test.bpm.ejb.BpmEJBObjectImpl0p4_Skel.dispatch(BpmEJBObjectImpl0p4_Skel.java:216)
at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:294)
at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:183)
at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:119)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:95)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:160)
Caused by: java.lang.NoClassDefFoundError: org/jbpm/db/JbpmSessionFactory
at com.test.bpm.dao.BpmDAO.<clinit>(BpmDAO.java:35)
at com.test.bpm.ejb.BpmEJBBean.<init>(BpmEJBBean.java:21)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.createObject(BeanFactory.java:106)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.doResizeOneStepUp(ContainerPoolImpl.java:374)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.ensureNotEmpty(ContainerPoolImpl.java:343)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.pop(ContainerPoolImpl.java:291)
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.getActiveBean(BeanFactory.java:188)
... 12 more
at com.sap.engine.services.ejb.exceptions.BaseRemoteException.writeReplace(BaseRemoteException.java:276)
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:324)
at java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:896)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1011)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278)
at com.sap.engine.services.rmi_p4.DispatchImpl.throwException(DispatchImpl.java:135)
at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:296)
at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:183)
at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:119)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:95)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:160)
Caused by: java.lang.RuntimeException: com.sap.engine.services.ejb.exceptions.BaseRuntimeException: Cannot create an instance of the stateless bean.
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.getActiveBean(BeanFactory.java:192)
at com.sap.engine.services.ejb.session.stateless_sp5.StatelessContainerFP.getActiveBean(StatelessContainerFP.java:183)
at com.test.bpm.ejb.BpmEJBObjectImpl0.listOpenTasks(BpmEJBObjectImpl0.java:167)
at com.test.bpm.ejb.BpmEJBObjectImpl0p4_Skel.dispatch(BpmEJBObjectImpl0p4_Skel.java:216)
at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:294)
at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:183)
at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:119)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:95)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:160)
Caused by: java.lang.NoClassDefFoundError: org/jbpm/db/JbpmSessionFactory
at com.test.bpm.dao.BpmDAO.<clinit>(BpmDAO.java:35)
at com.test.bpm.ejb.BpmEJBBean.<init>(BpmEJBBean.java:21)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.createObject(BeanFactory.java:106)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.doResizeOneStepUp(ContainerPoolImpl.java:374)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.ensureNotEmpty(ContainerPoolImpl.java:343)
at com.sap.engine.services.ejb.util.pool.ContainerPoolImpl.pop(ContainerPoolImpl.java:291)
at com.sap.engine.services.ejb.session.stateless_sp5.BeanFactory.getActiveBean(BeanFactory.java:188)
... 12 more
at com.sap.engine.services.ejb.exceptions.BaseRuntimeException.writeReplace(BaseRuntimeException.java:273)
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:324)
at java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:896)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1011)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1332)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1304)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1247)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052)
... 11 more
Anyone has any clue regarding how to resolve this error?
Thanks in advance...