java.lang.NullPointerException at com.wm.app.prt.InstanceManager.updateTrack(InstanceManager.java:321) at com.wm.app.prt.InstanceManager.updateTrack(InstanceManager.java:303) at com.wm.app.prt.StepDispatcherContext.createStepPipe(StepDispatcherContext.java:530) at com.wm.app.prt.StepDispatcherAgent.getInputPipe(StepDispatcherAgent.java:804) at com.wm.app.prt.StepDispatcherAgent.isStepAbleToRun(StepDispatcherAgent.java:641) at com.wm.app.prt.StepDispatcherAgent.handlePreStepProcessing(StepDispatcherAgent.java:370) at com.wm.app.prt.StepDispatcherAgent.execute(StepDispatcherAgent.java:307) at com.wm.app.prt.StepDispatcherAgent.synchRun(StepDispatcherAgent.java:240) at com.wm.app.prt.StepDispatcherAgent.synchRun(StepDispatcherAgent.java:278) at com.wm.app.prt.StepDispatcherAgent.synchRun(StepDispatcherAgent.java:278) at com.wm.app.prt.StepDispatcher.startStep(StepDispatcher.java:1363) at com.wm.app.prt.StepDispatcher.dispatch(StepDispatcher.java:1331) at com.wm.app.prt.StepDispatcher.dispatchPublishedDocEvent(StepDispatcher.java:1141) at com.wm.app.prt.StepDispatcher.handleNativeDoc(StepDispatcher.java:793) at wm.prt.dispatch.handlePublishedInput(dispatch.java:322) at sun.reflect.GeneratedMethodAccessor184.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.wm.app.b2b.server.JavaService.baseInvoke(JavaService.java:443) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:640) at com.wm.app.b2b.server.util.tspace.ReservationProcessor.process(ReservationProcessor.java:39) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:49) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:243) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.invoke.PipelineProcessor.p