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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7675) LatestCompletedCheckpointExternalPathGauge should check if external path is exist
Date Tue, 26 Sep 2017 13:35:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16180773#comment-16180773
] 

ASF GitHub Bot commented on FLINK-7675:
---------------------------------------

Github user zentol commented on the issue:

    https://github.com/apache/flink/pull/4709
  
    +1.


> 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
>            Assignee: Wei-Che Wei
>            Priority: Blocker
>
> For internal checkpoint, {{CompletedCheckpointStats.getExternalPath()}} could be {{null}}.
> This will leads to {{LatestCompletedCheckpointExternalPathGauge}} to return {{null}}
value to {{MetricDumpSerialization}}, then it will throw {{NullPointerException}} in {{serializeGauge}}
function.



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