[jira] [Assigned] (HELIX-566) TaskDriver#enqueueJob need add Task state model definition if not already in cluster

["Lei Xia (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HELIX-566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lei Xia reassigned HELIX-566:
-----------------------------

    Assignee: Lei Xia

> 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
>            Assignee: Lei Xia
>
> 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.
> Helix controller needs to check (in TaskDriver#enqueueJob) that if Task state model definition is missing, it will add it to the cluster automatically.



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