Mai A. S [https://community.jboss.org/people/mai.s] created the discussion "Re: Human task API, how to move forward in the workflow ?" To view the discussion, visit: https://community.jboss.org/message/766232#766232 -------------------------------------------------------------- I have a problem like urs taskSummaryHandler.getResults().get(0) always null but when I try to make my EntityManagerFactory I have this exception java.lang.RuntimeException: Server-side Exception: Command QueryTasksAssignedAsPotentialOwner faild due to org.hibernate.exception.SQLGrammarException: could not execute query. Please contact task server administrator.     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)     at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)     at java.lang.reflect.Constructor.newInstance(Unknown Source)     at org.jbpm.task.service.responsehandlers.AbstractBaseResponseHandler.createSideException(AbstractBaseResponseHandler.java:74)     at org.jbpm.task.service.responsehandlers.AbstractBlockingResponseHandler.waitTillDone(AbstractBlockingResponseHandler.java:48)     at org.jbpm.task.service.responsehandlers.BlockingTaskSummaryResponseHandler.getResults(BlockingTaskSummaryResponseHandler.java:38)     at test.HumanTaskExample3.main(HumanTaskExample3.java:67) Thanks -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/766232#766232] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]