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Posted to dev@flink.apache.org by "Tao Wang (JIRA)" <ji...@apache.org> on 2017/04/20 12:26:04 UTC

[jira] [Created] (FLINK-6341) JobManager can go to definite message sending loop when TaskManager registered

Tao Wang created FLINK-6341:
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             Summary: JobManager can go to definite message sending loop when TaskManager registered
                 Key: FLINK-6341
                 URL: https://issues.apache.org/jira/browse/FLINK-6341
             Project: Flink
          Issue Type: Bug
          Components: JobManager
            Reporter: Tao Wang
            Assignee: Tao Wang


When TaskManager register to JobManager, JM will send a "NotifyResourceStarted" message to kick off Resource Manager, then trigger a reconnection to resource manager through sending a "TriggerRegistrationAtJobManager".

When the ref of resource manager in JobManager is not None and the reconnection is to same resource manager, JobManager will go to a infinite message sending loop which will always sending himself a "ReconnectResourceManager" every 2 seconds.

We have already observed that phonomenon. More details, check how JobManager handles `ReconnectResourceManager`.



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