instance = pmb.getProcessInstance(instanceId);
if(instance.isRunning("")){ // if STOP signaled, don't execute anymore.
activity = instance.getProcessDefinition().getActivity(tracingTag);
activity.setRetryCount(instance, 5);
instance.execute(tracingTag);
pmb.applyChanges();
}
//ProcessDefinition pd = ProcessDefinition.getDefinition(definitionName, instance.getProcessTransactionContext());
/* Parameter parameter = (Parameter)message.getObject("parameter");