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https://issues.apache.org/jira/browse/FLINK-29940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17643312#comment-17643312
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Robert Metzger commented on FLINK-29940:
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I agree that ERROR is not the right log level here, because it is indeed not a
log message indicating that the system can not proceed normally.
However, it is also not really an INFO event, since it is a pretty important
message, that the user should notice. I was wondering whether a WARN log level
would be a change we could consider here?
> ExecutionGraph logs job state change at ERROR level when job fails
> ------------------------------------------------------------------
>
> Key: FLINK-29940
> URL: https://issues.apache.org/jira/browse/FLINK-29940
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.16.0
> Reporter: Mingliang Liu
> Priority: Minor
> Labels: pull-request-available
>
> When job switched to FAILED state, the log is very useful to understand why
> it failed along with the root cause exception stack. However, the current log
> level is INFO - a bit inconvenient for users to search from logging with so
> many surrounding log lines. We can log at ERROR level when the job switched
> to FAILED state.
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