Can you paste the code used to "enabling the JPA persistence"? On Sun, Aug 9, 2009 at 4:35 PM, SBalakrishnan <Sanjay.Balakrishnan(a)fnis.com&gt;wrote: > > Hi, > > I am new to drools flow and have the question below. > > After enabling persisentence (JPA) on the process side and > using the out of the box WSHumanTaskHandler. > > Ran into a java.lang.NullPointerException on completing > the Human Task (used the Eclipse Human Task view to do it) > > [2009:08:221 14:08:765:exception] Uncaught exception on client > java.lang.NullPointerException > at > > org.drools.persistence.processinstance.JPAWorkItemManager.completeWorkItem(JPAWorkItemManager.java:83) > at > > org.drools.process.workitem.wsht.WSHumanTaskHandler$GetCompletedTaskResponseHandler.execute(WSHumanTaskHandler.java:282) > at > > org.drools.task.service.TaskClientHandler.messageReceived(TaskClientHandler.java:67) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:752) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:414) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:49) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:832) > at > > org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:379) > at > > org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:173) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:414) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:49) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:832) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain$HeadFilter.messageReceived(DefaultIoFilterChain.java:616) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:414) > at > > org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:408) > at > > org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:578) > at > > org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:540) > at > > org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:532) > at > > org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:58) > at > > org.apache.mina.core.polling.AbstractPollingIoProcessor$Worker.run(AbstractPollingIoProcessor.java:857) > at > > org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51) > at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown > Source) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown > Source) > at java.lang.Thread.run(Unknown Source) > > > > Am I missing something or does the WSHumanTaskHander not support > the above ? > > > Note:- > Was able to get these pieces working when process was > not using JPA persistence. > > Thanks > Sanjay > -- > View this message in context: > http://www.nabble.com/Process-Persistence-%28JPA%29-and-the-WSHumanTaskHa... > Sent from the drools - user mailing list archive at Nabble.com. > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > -- - http://salaboy.wordpress.com - http://www.jbug.com.ar - Salatino "Salaboy" Mauricio - _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users