[jira] [Created] (FLINK-20195) Jobs endpoint returns duplicated jobs

[Jira]

Ingo Bürk created FLINK-20195:
---------------------------------

             Summary: Jobs endpoint returns duplicated jobs
                 Key: FLINK-20195
                 URL: https://issues.apache.org/jira/browse/FLINK-20195
             Project: Flink
          Issue Type: Bug
    Affects Versions: 1.11.2
            Reporter: Ingo Bürk


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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