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Posted to issues@flink.apache.org by "Wei-Che Wei (JIRA)" <ji...@apache.org> on 2017/09/23 10:47:00 UTC

[jira] [Created] (FLINK-7675) LatestCompletedCheckpointExternalPathGauge should check if external path is exist

Wei-Che Wei created FLINK-7675:
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             Summary: LatestCompletedCheckpointExternalPathGauge should check if external path is exist
                 Key: FLINK-7675
                 URL: https://issues.apache.org/jira/browse/FLINK-7675
             Project: Flink
          Issue Type: Bug
          Components: Metrics
    Affects Versions: 1.4.0, 1.3.3
            Reporter: Wei-Che Wei


For internal checkpoint, {{CompletedCheckpointStats.getExternalPath()}} could be {{null}}.
This will leads to {{LatestCompletedCheckpointExternalPathGauge}} to return {{null}} value to {{MetricDumpSerialization}}, which will throw {{NullPointerException}} when serialize {{Gauge}}.



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