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From "Zhen Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HELIX-566) TaskDriver#enqueueJob need add Task state model definition if not already in cluster
Date Wed, 04 Feb 2015 23:41:34 GMT
Zhen Zhang created HELIX-566:
--------------------------------

             Summary: TaskDriver#enqueueJob need add Task state model definition if not already
in cluster
                 Key: HELIX-566
                 URL: https://issues.apache.org/jira/browse/HELIX-566
             Project: Apache Helix
          Issue Type: Bug
            Reporter: Zhen Zhang


The Task state model definition is a new state model we add recently for TaskFramework. For
the old cluster settings where Task state model definition is missing, TaskDriver#enqueueJob
might throw an exception when creating the ideal-state for the job but successfully add the
job to the queue in the Workflow config. 

This leaves the workflow/job config/status inconsistent and may blocks job from being scheduled.

We need to check in TaskDriver#enqueueJob that if Task state model definition is missing,
it will add it to the cluster.





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