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https://issues.apache.org/jira/browse/FLINK-16145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17040582#comment-17040582
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Zhu Zhu commented on FLINK-16145:
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Thanks for reporting this issue [~liuyufei]!
This is a bug since {{vertexExecution}} is nullable while {{toString()}} always
invokes {{vertexExecution.getVertexWithAttempt()}}. It does not cause
production problem though at the moment.
{{vertexExecution}} is also causing some other problems so I'm planning to
replace it with an ExecutionVertexID (see FLINK-16180). That would also fix
this potential issue.
> ScheduledUnit toString method throw NPE when Execution is null
> --------------------------------------------------------------
>
> Key: FLINK-16145
> URL: https://issues.apache.org/jira/browse/FLINK-16145
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.10.0
> Reporter: YufeiLiu
> Priority: Major
> Attachments: image-2020-02-18-19-58-38-506.png
>
>
> !image-2020-02-18-19-58-38-506.png!
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