[jboss-user] [JBoss Seam] - JBPM Context variable lifecycle

ngeadah do-not-reply at jboss.com
Wed Feb 28 12:10:54 EST 2007

I use the Seam annotations to launch a JBPM process and outject to the BUSINESS_PROCESS context.  Everything works great but I find that the outjected variable gets "removed" from JBPM at some indeterminate later time.  For example, after the process has been launched (and is in a wait-state), the following code which retrieves the task instances for the current actor and tries to retrieve the variable initially outjected:

  | List<TaskInstance> tasks = context.getTaskMgmtSession().findTaskInstances(actorId);
  | for (TaskInstance task : tasks)
  | {
  |    Object variable = task.getVariable("NAME USED TO OUTJECT");

returns "variable" correctly as long I this code runs shortly after the process is launched.  After a little while, "variable" is null.  Is there something about business process variable lifecycle I don't understand?

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