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[jira] [Created] (FLINK-10178) Job cancel REST API not working


Marc Rooding created FLINK-10178:
------------------------------------

             Summary: Job cancel REST API not working
                 Key: FLINK-10178
                 URL: https://issues.apache.org/jira/browse/FLINK-10178
             Project: Flink
          Issue Type: Bug
          Components: REST
    Affects Versions: 1.6.0, 1.5.2, 1.5.1
         Environment: Running as a Docker container using the default flink Docker images.
            Reporter: Marc Rooding


I've been trying to work with the Flink REST API to cancel a running job. 

When I deploy a simple job I can retrieve the Job information using the *jobs/overview* endpoint which returns:
{code:java}
{
  "jobs": [
    {
      "jid": "f907f847451cfd9231b7d3c0662b149b",
      "name": "Windowed WordCount",
      "state": "RUNNING",
      "start-time": 1534770489437,
      "end-time": -1,
      "duration": 72682,
      "last-modification": 1534770489942,
      "tasks": {
        "total": 6,
        "created": 0,
        "scheduled": 0,
        "deploying": 0,
        "running": 6,
        "finished": 0,
        "canceling": 0,
        "canceled": 0,
        "failed": 0,
        "reconciling": 0
      }
    }
  ]
}
{code}
I can also request more information about the job using the *jobs/f907f847451cfd9231b7d3c0662b149b* endpoint.

 

According to the documentation, I should be able to do a DELETE request to *jobs/f907f847451cfd9231b7d3c0662b149b/cancel.* Doing so returns a 404 with the following body:

 
{code:java}
{"errors":["Not found."]}{code}
 

I also tried a GET request to *jobs/**f907f847451cfd9231b7d3c0662b149b/cancel-with-savepoint/.* That simply returns a 404 without a body.**

I tried it with Flink 1.5.1, 1.5.2 and 1.6.0 and get consistent results.

I looked at which API is being used by the Flink web UI when pressing the 'Cancel' button and that one seems to go to *jobs/**f907f847451cfd9231b7d3c0662b149b/yarn-cancel*. If I do a GET request to that one manually it does actually cancel the job.

I've been looking into the Flink source code but couldn't find an immediate clue to what's going on. 



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