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https://issues.apache.org/jira/browse/FLINK-15927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17041819#comment-17041819
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Stephan Ewen commented on FLINK-15927:
--------------------------------------
[~Khairy] yes, this is not really a beginner issue, I think.
Better starter issues might be FLINK-16144 or FLINK-15857 for example.
> TaskExecutor should treat it as a fatal error is Task cannot be failed
> ----------------------------------------------------------------------
>
> Key: FLINK-15927
> URL: https://issues.apache.org/jira/browse/FLINK-15927
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Task
> Reporter: Stephan Ewen
> Priority: Major
>
> When the TaskManager cannot mark a task as failed, it is only logged as a
> warning.
> This should instead be treated as a fatal error.
> TaskExecutor line 1419:
> {code}
> try {
> task.failExternally(cause);
> } catch (Throwable t) {
> log.error("Could not fail task {}.", executionAttemptID, t);
> }
> {code}
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