Intermittent instances are failing

Question

Hi All,
Here is my issue.
We have 2 managed servers (MS1-IPAddress1,MS2-IP Address2). all the requests which are coming into MS1 are failing with below error message.
Can any one help..
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpmn.engine.ws> <BEA-000000> <got FabricInvocationException
java.lang.NullPointerException
        at oracle.integration.platform.blocks.java.PayloadProcessor.convertToJava(PayloadProcessor.java:122)
        at oracle.fabric.common.NormalizedMessageImpl.getJavaPayload(NormalizedMessageImpl.java:351)
        at oracle.integration.platform.blocks.java.JavaMessageUtils.objectArrayFromMessage(JavaMessageUtils.java:71)
        at oracle.integration.platform.blocks.ejb.JavaEjbReferenceDelegateImpl.request(JavaEjbReferenceDelegateImpl.java:78)
        at oracle.integration.platform.blocks.ejb.EjbExternalBindingComponent.request(EjbExternalBindingComponent.java:109)
        at oracle.integration.platform.blocks.mesh.SynchronousMessageHandler.doRequest(SynchronousMessageHandler.java:139)
        at oracle.integration.platform.blocks.mesh.MessageRouter.request(MessageRouter.java:182)
        at oracle.integration.platform.blocks.mesh.MeshImpl.request(MeshImpl.java:154)
        at sun.reflect.GeneratedMethodAccessor6155.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
        at oracle.integration.platform.metrics.PhaseEventAspect.invoke(PhaseEventAspect.java:71)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at $Proxy328.request(Unknown Source)
        at oracle.fabric.CubeServiceEngine.requestToMesh(CubeServiceEngine.java:777)
        at com.collaxa.cube.ws.WSInvocationManager.invoke(WSInvocationManager.java:267)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.__invoke(InvokeHandler.java:1070)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.handleNormalInvoke(InvokeHandler.java:584)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.handle(InvokeHandler.java:132)
        at oracle.bpm.bpmn.engine.model.runtime.microinstructions.MIInvoke.doExecute(MIInvoke.java:42)
        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.MICall.doExecute(MICall.java:38)
        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:325)
        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._callbackPerformer(CubeEngine.java:1392)
        at com.collaxa.cube.engine.CubeEngine.callbackPerformer(CubeEngine.java:1321)
        at com.collaxa.cube.engine.delivery.DeliveryHelper.callbackPerformer(DeliveryHelper.java:396)
        at com.collaxa.cube.engine.delivery.DeliveryService.handleCallback(DeliveryService.java:926)
        at com.collaxa.cube.engine.delivery.DeliveryService.resolveCallback(DeliveryService.java:805)
        at com.collaxa.cube.engine.ejb.impl.CubeDeliveryBean.resolveCallback(CubeDeliveryBean.java:266)
        at sun.reflect.GeneratedMethodAccessor7882.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 $Proxy273.resolveCallback(Unknown Source)
        at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.__WL_invoke(Unknown Source)
        at weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:39)
        at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.resolveCallback(Unknown Source)
        at com.collaxa.cube.engine.dispatch.message.delivery.ResolveCallbackMessageHandler.handle(ResolveCallbackMessageHandler.java:41)
        at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:140)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.process(BaseDispatchTask.java:88)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.run(BaseDispatchTask.java:64)
        at java.util.concurrent.ThreadPoolExecutor$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:662)
>
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpel.engine.bpel> <BEA-000000> <BPELFault {{http://schemas.oracle.com/bpel/extension}remoteFault} current Operation {INSTANCE_FAULT}>
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpel.engine.bpel> <BEA-000000> <BPELFault {{http://schemas.oracle.com/bpel/extension}remoteFault} current Operation {INSTANCE_TERMINATED}>
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpel.engine> <BEA-000000> <Unhandled exception for ComponentDN=vPrice/UploadCSVProcess!13.6.0.4-SNAPSHOT*soa_2c9ae3b0-69db-4611-9933-67940bb1ea6e/UploadWrapper CompositeInstanceId=1200324 ComponentInstanceId=2340125>
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpel.engine> <BEA-000000> <This exception occurred because the error thrown in the BPMN flow was not handled by any error handlers and reached the top-level scope. Root cause :
com.oracle.bpel.client.BPELFault: faultName: {{http://schemas.oracle.com/bpel/extension}remoteFault}
messageType: {{http://schemas.oracle.com/bpel/extension}RuntimeFaultMessage}
parts: {{
summary=<summary>oracle.fabric.common.FabricInvocationException</summary>
,detail=<detail>null</detail>
,code=<code>null</code>}
        at com.collaxa.cube.ws.WSInvocationManager.invoke(WSInvocationManager.java:342)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.__invoke(InvokeHandler.java:1070)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.handleNormalInvoke(InvokeHandler.java:584)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.handle(InvokeHandler.java:132)
        at oracle.bpm.bpmn.engine.model.runtime.microinstructions.MIInvoke.doExecute(MIInvoke.java:42)
        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.MICall.doExecute(MICall.java:38)
        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:325)
        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._callbackPerformer(CubeEngine.java:1392)
        at com.collaxa.cube.engine.CubeEngine.callbackPerformer(CubeEngine.java:1321)
        at com.collaxa.cube.engine.delivery.DeliveryHelper.callbackPerformer(DeliveryHelper.java:396)
        at com.collaxa.cube.engine.delivery.DeliveryService.handleCallback(DeliveryService.java:926)
        at com.collaxa.cube.engine.delivery.DeliveryService.resolveCallback(DeliveryService.java:805)
        at com.collaxa.cube.engine.ejb.impl.CubeDeliveryBean.resolveCallback(CubeDeliveryBean.java:266)
        at sun.reflect.GeneratedMethodAccessor7882.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 $Proxy273.resolveCallback(Unknown Source)
        at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.__WL_invoke(Unknown Source)
        at weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:39)
        at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.resolveCallback(Unknown Source)
        at com.collaxa.cube.engine.dispatch.message.delivery.ResolveCallbackMessageHandler.handle(ResolveCallbackMessageHandler.java:41)
        at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:140)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.process(BaseDispatchTask.java:88)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.run(BaseDispatchTask.java:64)
        at java.util.concurrent.ThreadPoolExecutor$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:662)
>
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpel.engine.delivery> <BEA-000000> <Error: Error not handled.
failure to handle a error thrown from a scope, by any blocks in the scope chain.
This exception occurred because the error thrown in the BPMN flow was not handled by any error handlers and reached the top-level scope.
A top-level error handler should be added to the flow to handle errors not caught from within the flow.
happened for conv_id = MD5{934f686092c69d813ece524801e597c1} and message guid = MD5{934f686092c69d813ece524801e597c1} and subscriberId = vPrice/UploadCSVProcess!13.6.0.4-SNAPSHOT*soa_2c9ae3b0-69db-4611-9933-67940bb1ea6e/UploadWrapper/2340125-CATCH_INTERMEDIATE_EVENT6632403598758-UploadWrapper_try.2-11, transaction will be rolled back>
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpel.engine.dispatch> <BEA-000000> <failed to handle message
com.oracle.bpel.client.BPELFault: faultName: {{http://schemas.oracle.com/bpel/extension}remoteFault}
messageType: {{http://schemas.oracle.com/bpel/extension}RuntimeFaultMessage}
parts: {{
summary=<summary>oracle.fabric.common.FabricInvocationException</summary>
,detail=<detail>null</detail>
,code=<code>null</code>}
        at com.collaxa.cube.ws.WSInvocationManager.invoke(WSInvocationManager.java:342)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.__invoke(InvokeHandler.java:1070)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.handleNormalInvoke(InvokeHandler.java:584)
        at com.collaxa.cube.engine.ext.common.InvokeHandler.handle(InvokeHandler.java:132)
        at oracle.bpm.bpmn.engine.model.runtime.microinstructions.MIInvoke.doExecute(MIInvoke.java:42)
        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.MICall.doExecute(MICall.java:38)
        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:325)
        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._callbackPerformer(CubeEngine.java:1392)
        at com.collaxa.cube.engine.CubeEngine.callbackPerformer(CubeEngine.java:1321)
        at com.collaxa.cube.engine.delivery.DeliveryHelper.callbackPerformer(DeliveryHelper.java:396)
        at com.collaxa.cube.engine.delivery.DeliveryService.handleCallback(DeliveryService.java:926)
        at com.collaxa.cube.engine.delivery.DeliveryService.resolveCallback(DeliveryService.java:805)
        at com.collaxa.cube.engine.ejb.impl.CubeDeliveryBean.resolveCallback(CubeDeliveryBean.java:266)
        at sun.reflect.GeneratedMethodAccessor7882.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 $Proxy273.resolveCallback(Unknown Source)
        at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.__WL_invoke(Unknown Source)
        at weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:39)
        at oracle.bpm.bpmn.engine.ejb.impl.BPMNDeliveryBean_of8dk6_ICubeDeliveryLocalBeanImpl.resolveCallback(Unknown Source)
        at com.collaxa.cube.engine.dispatch.message.delivery.ResolveCallbackMessageHandler.handle(ResolveCallbackMessageHandler.java:41)
        at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:140)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.process(BaseDispatchTask.java:88)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.run(BaseDispatchTask.java:64)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at com.collaxa.cube.engine.dispatch.Dispatcher$ContextCapturingThreadFactory$2.run(Dispatcher.java:850)
        at java.lang.Thread.run(Thread.java:662)
>
<Jul 1, 2013 8:42:35 AM UTC> <Error> <oracle.soa.bpel.engine.dispatch> <BEA-000000> <Failed to handle dispatch message ... exception ORABPEL-05002
Message handle error.
error while attempting to process the message "com.collaxa.cube.engine.dispatch.message.delivery.ResolveCallbackMessage"; the reported exception is: Error not handled.
failure to handle a error thrown from a scope, by any blocks in the scope chain.
This exception occurred because the error thrown in the BPMN flow was not handled by any error handlers and reached the top-level scope.
A top-level error handler should be added to the flow to handle errors not caught from within the flow.
This error contained an exception thrown by the message handler.
Check the exception trace in the log (with logging level set to debug mode).
ORABPEL-05002
Message handle error.
error while attempting to process the message "com.collaxa.cube.engine.dispatch.message.delivery.ResolveCallbackMessage"; the reported exception is: Error not handled.
failure to handle a error thrown from a scope, by any blocks in the scope chain.
This exception occurred because the error thrown in the BPMN flow was not handled by any error handlers and reached the top-level scope.
A top-level error handler should be added to the flow to handle errors not caught from within the flow.
This error contained an exception thrown by the message handler.
Check the exception trace in the log (with logging level set to debug mode).
        at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:205)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.process(BaseDispatchTask.java:88)
        at com.collaxa.cube.engine.dispatch.BaseDispatchTask.run(BaseDispatchTask.java:65)
        at java.util.concurrent.ThreadPoolExecutor$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:662)
>
Regards
Bhargavi

Answer 1

Hi,
From my experience, this issue may be caused by OS update,
As long as each of your roles has 2 or more instances then your service will
not experience downtime due to the adherence to upgrade domains.  The blog at
http://blog.toddysm.com/2010/04/upgrade-domains-and-fault-domains-in-windows-azure.htmlhas
a great explanation of upgrade and fault domains, and why having 2 instances of a role is required to meet the 99.95% uptime SLA.
Hope this helps
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