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java.lang.NullPointerException: 	at oracle.bpel.services.rules.management.instance.InstanceTracker.createDecisionInstance(InstanceTracker.java:1371)	at oracle.bpel.services.rules.management.instance.InstanceTracker.createInstance(InstanceTracker.java:347)	at oracle.bpel.services.rules.fabric.BusinessRulesServiceEngineFacades.createInstance(BusinessRulesServiceEngineFacades.java:868)	at oracle.bpel.services.rules.fabric.BusinessRulesServiceEngine.request(BusinessRulesServiceEngine.java:1053)	at oracle.integration.platform.blocks.mesh.SynchronousMessageHandler.doRequest(SynchronousMessageHandler.java:151)	at oracle.integration.platform.blocks.mesh.MessageRouter.request(MessageRouter.java:214)	at oracle.integration.platform.blocks.mesh.MeshImpl.request(MeshImpl.java:301)	at sun.reflect.GeneratedMethodAccessor1628.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)	at oracle.integration.platform.metrics.PhaseEventAspect.invoke(PhaseEventAspect.java:59)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)	at com.sun.proxy.$Proxy380.request(Unknown Source)	at oracle.integration.platform.blocks.soap.WebServiceEntryBindingComponent.doMessageProcessing(WebServiceEntryBindingComponent.java:2344)	at oracle.integration.platform.blocks.soap.WebServiceEntryBindingComponent.processIncomingMessage(WebServiceEntryBindingComponent.java:1387)	at oracle.integration.platform.blocks.soap.FabricProvider.processMessage(FabricProvider.java:113)	at oracle.j2ee.ws.server.provider.ProviderProcessor.doEndpointProcessing(ProviderProcessor.java:1351)	at oracle.j2ee.ws.server.WebServiceProcessor.invokeEndpointImplementation(WebServiceProcessor.java:1397)	at oracle.j2ee.ws.server.provider.ProviderProcessor.doRequestProcessingPhaseTwo(ProviderProcessor.java:707)	at oracle.j2ee.ws.server.WebServiceProcessor.doRequestProcessing(WebServiceProcessor.java:691)	at oracle.j2ee.ws.server.WebServiceProcessor.processRequest(WebServiceProcessor.java:248)	at oracle.j2ee.ws.server.WebServiceProcessor.doService(WebServiceProcessor.java:212)