Hello Rainer
Do you mean locking on process instance in this method or everywhere the
process instance is used? Because my original code was doing just that, as
follows:
| public static void persistPI(ProcessInstance pi)
| throws Exception
| {
| synchronized(pi) {
| JbpmSessionFactory factory = JbpmSessionFactory.getInstance();
| if (factory == null)
| {
| System.err.println("Factory is null....");
| return;
| }
| JbpmSession jbpmSession = factory.openJbpmSession();
| jbpmSession.beginTransaction();
| try
| {
| jbpmSession.getGraphSession().saveProcessInstance(pi);
| jbpmSession.commitTransaction();
| }
| catch (Exception e)
| {
| e.printStackTrace();
| jbpmSession.rollbackTransaction();
| throw e;
| }
| finally
| {
| jbpmSession.close();
| }
| }
| }
|
and I was still getting the same exception. The only other use of process
instance in the code that is running concurrently is
| ContextInstance ci = token.getProcessInstance().getContextInstance();
| synchronized(ci)
| {
| ci.createVariable(_node_,joinNode,parentToken);
| ci.notify();
| }
|
Does 'token.signal()' change process log list?
Thanks
Raj
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