Is it possible to start multiple process instances at the same time ?
I am using 2 different knowledge seesions sessions but got the execption while starting the 2nd instance. (JBPM5.4)
ERROR [SingleSessionCommandService] Could not commit session
java.lang.IllegalArgumentException: null source
at java.util.EventObject.<init>(EventObject.java:38)
at org.drools.event.ProcessEvent.<init>(ProcessEvent.java:32)
at org.drools.event.ProcessStartedEventImpl.<init>(ProcessStartedEventImpl.java:28)
at org.drools.event.ProcessEventSupport.fireBeforeProcessStarted(ProcessEventSupport.java:37)
at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:169)
at org.drools.common.AbstractWorkingMemory.startProcessInstance(AbstractWorkingMemory.java:1108)
at org.drools.impl.StatefulKnowledgeSessionImpl.startProcessInstance(StatefulKnowledgeSessionImpl.java:330)
at org.drools.command.runtime.process.StartProcessInstanceCommand.execute(StartProcessInstanceCommand.java:46)
at org.drools.command.runtime.process.StartProcessInstanceCommand.execute(StartProcessInstanceCommand.java:25)
at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:373)
at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcessInstance(CommandBasedStatefulKnowledgeSession.java:237)