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java.lang.NullPointerException: 	at oracle.bpm.bpmn.engine.service.BPMNServiceEngine.getCompositeName(BPMNServiceEngine.java:695)	at oracle.bpm.bpmn.engine.runtime.DeploymentDescriptorUtil.getParticipantsForProcessRole(DeploymentDescriptorUtil.java:140)	at oracle.bpm.bpmn.engine.model.runtime.util.BPMNUtility.getProcessInstance(BPMNUtility.java:614)	at oracle.bpm.bpmn.engine.model.runtime.util.BPMNUtility.insertInstance2Track(BPMNUtility.java:552)	at oracle.bpm.bpmn.engine.model.runtime.util.BPMNUtility.insertInstance2Track(BPMNUtility.java:142)	at oracle.bpm.bpmn.engine.model.runtime.microinstructions.MIInsertInstance2Track.insertInstance2Track(MIInsertInstance2Track.java:81)	at oracle.bpm.bpmn.engine.model.runtime.microinstructions.MIInsertInstance2Track.doExecute(MIInsertInstance2Track.java:66)	at oracle.bpm.bpmn.engine.microkernel.MIBase.execute(MIBase.java:34)	at oracle.bpm.bpmn.engine.microkernel.MISequenceBlock.doExecute(MISequenceBlock.java:68)	at oracle.bpm.bpmn.engine.microkernel.MIBase.execute(MIBase.java:34)	at oracle.bpm.bpmn.engine.microkernel.MicroInstructionContext.callMicroInstruction(MicroInstructionContext.java:201)	at oracle.bpm.bpmn.engine.microkernel.MicroInstructionContext.callProcedure(MicroInstructionContext.java:208)	at oracle.bpm.bpmn.engine.microkernel.MicroInstructionContext.executeProcedure(MicroInstructionContext.java:332)	at oracle.bpm.bpmn.engine.model.runtime.MIBPMNActivityWMP.executeProcedure(MIBPMNActivityWMP.java:391)	at oracle.bpm.bpmn.engine.model.runtime.MIBPMNActivityWMP.__executeStatements(MIBPMNActivityWMP.java:308)	at com.collaxa.cube.engine.ext.bpel.common.wmp.BaseBPELActivityWMP.perform(BaseBPELActivityWMP.java:166)	at com.collaxa.cube.engine.CubeEngine.performActivity(CubeEngine.java:2687)	at com.collaxa.cube.engine.CubeEngine._handleWorkItem(CubeEngine.java:1190)	at com.collaxa.cube.engine.CubeEngine.handleWorkItem(CubeEngine.java:1093)	at com.collaxa.cube.engine.dispatch.message.instance.PerformMessageHandler.handleLocal(PerformMessageHandler.java:76)	at com.collaxa.cube.engine.dispatch.DispatchHelper.handleLocalMessage(DispatchHelper.java:218)	at com.collaxa.cube.engine.dispatch.DispatchHelper.sendMemory(DispatchHelper.java:297)	at com.collaxa.cube.engine.CubeEngine.endRequest(CubeEngine.java:4609)	at com.collaxa.cube.engine.CubeEngine.endRequest(CubeEngine.java:4540)	at com.collaxa.cube.engine.CubeEngine._createAndInvoke(CubeEngine.java:713)	at com.collaxa.cube.engine.CubeEngine.createAndInvoke(CubeEngine.java:560)	at com.collaxa.cube.engine.delivery.DeliveryService.handleInvoke(DeliveryService.java:608)	at com.collaxa.cube.engine.ejb.impl.CubeDeliveryBean.handleInvoke(CubeDeliveryBean.java:295)	at sun.reflect.GeneratedMethodAccessor1384.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)	at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)	at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)	at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)	at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)	at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at com.oracle.pitchfork.spi.MethodInvocationVisitorImpl.visit(MethodInvocationVisitorImpl.java:34)	at weblogic.ejb.container.injection.EnvironmentInterceptorCallbackImpl.callback(EnvironmentInterceptorCallbackImpl.java:54)	at com.oracle.pitchfork.spi.EnvironmentInterceptor.invoke(EnvironmentInterceptor.java:42)	at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at com.bea.core.repackaged.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)	at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)	at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)	at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at $Proxy272.handleInvoke(Unknown Source)	at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.__WL_invoke(Unknown Source)	at weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:39)	at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.handleInvoke(Unknown Source)	at com.collaxa.cube.engine.dispatch.message.invoke.InvokeInstanceMessageHandler.handle(InvokeInstanceMessageHandler.java:35)	at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:140)	at com.collaxa.cube.engine.dispatch.BaseDispatchTask.process(BaseDispatchTask.java:88)	at com.collaxa.cube.engine.dispatch.BaseDispatchTask.run(BaseDispatchTask.java:64)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)	at com.collaxa.cube.engine.dispatch.Dispatcher$ContextCapturingThreadFactory$2.run(Dispatcher.java:850)	at java.lang.Thread.run(Thread.java:619)