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https://issues.apache.org/jira/browse/FLINK-20195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17240790#comment-17240790
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Till Rohrmann commented on FLINK-20195:
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But somewhere this duplication must come from. It could also be that it is a
problem of the {{1.11.x}} version.
> Jobs endpoint returns duplicated jobs
> -------------------------------------
>
> Key: FLINK-20195
> URL: https://issues.apache.org/jira/browse/FLINK-20195
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination, Runtime / REST
> Affects Versions: 1.11.2
> Reporter: Ingo Bürk
> Priority: Minor
> Fix For: 1.12.0
>
>
> The GET /jobs endpoint can, for a split second, return a duplicated job after
> it has been cancelled. This occurred in Ververica Platform after canceling a
> job (using PATCH /jobs/\{jobId}) and calling GET /jobs.
> I've reproduced this and queried the endpoint in a relatively tight loop (~
> every 0.5s) to log the responses of GET /jobs and got this:
>
>
> {code:java}
> …
> {"jobs":[{"id":"e110531c08dd4e3dbbfcf7afc1629c3d","status":"RUNNING"},{"id":"53fd11db25394308862c997dce9ef990","status":"CANCELLING"}]}
> {"jobs":[{"id":"e110531c08dd4e3dbbfcf7afc1629c3d","status":"RUNNING"},{"id":"53fd11db25394308862c997dce9ef990","status":"CANCELLING"}]}
> {"jobs":[{"id":"e110531c08dd4e3dbbfcf7afc1629c3d","status":"FAILED"},{"id":"53fd11db25394308862c997dce9ef990","status":"CANCELED"},{"id":"53fd11db25394308862c997dce9ef990","status":"CANCELED"}]}
> {"jobs":[{"id":"53fd11db25394308862c997dce9ef990","status":"CANCELED"},{"id":"e110531c08dd4e3dbbfcf7afc1629c3d","status":"FAILED"}]}
> {"jobs":[{"id":"53fd11db25394308862c997dce9ef990","status":"CANCELED"},{"id":"e110531c08dd4e3dbbfcf7afc1629c3d","status":"FAILED"}]}
> …{code}
>
> You can see in in between that for just a moment, the endpoint returned the
> same Job ID twice.
>
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