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  1. Flink
  2. FLINK-8949

Rest API failure with long URL

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      Description

      When you have jobs with high parallelism, the URL for a REST request can get very long. When the URL is longer than 4096 bytes, the  REST API will return error

      Failure: 404 Not Found

       This can easily be seen in the Web UI, when Flink queries for the watermark using the REST API:

      GET /jobs/:jobId/vertices/:vertexId/metrics?get=0.currentLowWatermark,1.currentLowWatermark,2.currentLo...

      The request will fail with more than 170 subtasks and the watermark will not be displayed in the Web UI.

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              • Assignee:
                mxm Maximilian Michels
                Reporter:
                kien_truong Truong Duc Kien
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