when i try to get return value from the method of the class mentioned in the Java task ... i get following nullpointerException ... Have no clue how to get rid of this... I am very well able to call the method with input object and all, but for some reason i get NullPointerException on line... String out = (String)executionService.getVariable(pid, "answer1"); And this is the exception ... java.lang.NullPointerException at org.jbpm.pvm.internal.cmd.GetExecutionVariablesCmd.execute(GetExecutionVariablesCmd.java:60) at org.jbpm.pvm.internal.cmd.GetExecutionVariablesCmd.execute(GetExecutionVariablesCmd.java:36) at org.jbpm.pvm.internal.svc.DefaultCommandService.execute(DefaultCommandService.java:42) at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:54) at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:54) at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55) at org.jbpm.pvm.internal.svc.ExecutionServiceImpl.getVariable(ExecutionServiceImpl.java:130) my java task xml is ... Thanks View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4251287#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...