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Posted to dev@helix.apache.org by "Hunter L (JIRA)" <ji...@apache.org> on 2018/10/31 21:22:00 UTC

[jira] [Created] (HELIX-777) TASK: Handle null currentState for unscheduled tasks

Hunter L created HELIX-777:
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             Summary: TASK: Handle null currentState for unscheduled tasks
                 Key: HELIX-777
                 URL: https://issues.apache.org/jira/browse/HELIX-777
             Project: Apache Helix
          Issue Type: Improvement
            Reporter: Hunter L
            Assignee: Hunter L


It was observed that when a workflow is submitted and the Controller attempts to schedule its tasks, ZK read fails to read the appropriate job's context, causing the job to be stuck in an unscheduled state. The job remained unscheduled because it had no currentStates, and its job context did not contain any assignment/state information. This RB fixes such stuck states by detecting null currentStates.
Changelist:
1. Check if currentState is null and if it is, manually assign an INIT state



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