check first if the transition exists because in Slave Instance context this...

check first if the transition exists because in Slave Instance context this transition doesn't exist

master/bt5/vifib_slap/WorkflowTemplateItem/portal_workflow/person_slap_interface_workflow/scripts/Person_requestSoftwareInstance.xml

@@ -177,16 +177,17 @@ if (request_software_instance is None):\n
     # Find Computer partition\n
     # XXX Link subscript to open order\n
 else:\n
+  isTransitionPossible = portal.portal_workflow.isTransitionPossible\n
   # Update existing software instance\n
   request_software_instance.edit(\n
     text_content=instance_xml,\n
     sla_xml=sla_xml,\n
     activate_kw={\'tag\': tag},\n
   )\n
-  if state == \'started\':\n
+  if state == \'started\' and isTransitionPossible(request_software_instance, "start_requested"):\n
     request_software_instance.startRequested()\n
     request_software_instance.activate(after_tag=tag).requestStartComputerPartition()\n
-  elif state == \'stopped\':\n
+  elif state == \'stopped\' and isTransitionPossible(request_software_instance, "stop_requested"):\n
     request_software_instance.stopRequested()\n
     request_software_instance.activate(after_tag=tag).requestStopComputerPartition()\n
 

master/bt5/vifib_slap/bt/revision

-389
\ No newline at end of file
+390
\ No newline at end of file