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https://issues.apache.org/jira/browse/FLINK-7675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177734#comment-16177734
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ASF GitHub Bot commented on FLINK-7675:
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GitHub user tony810430 opened a pull request:
https://github.com/apache/flink/pull/4709
[FLINK-7675] [metrics] LatestCompletedCheckpointExternalPathGauge should
check if external path is exist
- check if external path is null
- update test to test the corresponding behavior
- update document with more accurate description
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tony810430/flink FLINK-7675
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4709.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4709
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commit 99efd3a2a3a4b5aafe460eed507f274c36e752a3
Author: Tony Wei <[email protected]>
Date: 2017-09-23T10:49:32Z
[FLINK-7675] LatestCompletedCheckpointExternalPathGauge should check if
external path is exist
----
> 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
>
> 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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