[esb-issues] [JBoss JIRA] Closed: (JBESB-1060) The ESB throws NullPointerEception when there are no variables passed to jBPM process

The ESB throws NullPointerEception when there are no variables passed to jBPM process ------------------------------------------------------------------------------------- Key: JBESB-1060 URL: http://jira.jboss.com/jira/browse/JBESB-1060 Project: JBoss ESB Issue Type: Bug Security Level: Public(Everyone can see) Components: Process flow Affects Versions: 4.2 Reporter: Jiri Pechanec Assigned To: Mark Little Fix For: 4.2.1 IR1 If you will not pass any variable but body when starting jBPM process then you will receive following exception org.jboss.soa.esb.actions.ActionProcessingException: Unexpected invocation target exception from processor at org.jboss.soa.esb.listeners.message.ActionProcessorMethodInfo.processMethods(ActionProcessorMethodInfo.java:127) at org.jboss.soa.esb.listeners.message.OverriddenActionLifecycleProcessor.process(OverriddenActionLifecycleProcessor.java:74) at org.jboss.soa.esb.listeners.message.ActionProcessingPipeline.process(ActionProcessingPipeline.java:265) at org.jboss.soa.esb.listeners.message.MessageAwareListener$1.run(MessageAwareListener.java:297) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675) at java.lang.Thread.run(Thread.java:595) Caused by: java.lang.NullPointerException at org.jboss.soa.esb.services.jbpm.actions.impl.facades.FacadeUtil.jbpmVarsToMessage(FacadeUtil.java:139) at org.jboss.soa.esb.services.jbpm.actions.impl.facades.NewProcessInstanceFacade.postFormat(NewProcessInstanceFacade.java:84) at org.jboss.soa.esb.services.jbpm.actions.BpmProcessor.process(BpmProcessor.java:65) 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:585) at org.jboss.soa.esb.listeners.message.ActionProcessorMethodInfo.processMethods(ActionProcessorMethodInfo.java:102) ... 6 more The reason is that FacadeUtil expects that jBPM will return empty map when there are no variables in the context. Unfortuanetly for jBPM is valid to return even the null value when the variable list do not contain any variables.