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https://issues.apache.org/jira/browse/FLINK-9163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16438999#comment-16438999
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ASF GitHub Bot commented on FLINK-9163:
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Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/5841
Thanks for the contribution @NicoK!
These are nice fixes for the end-to-end tests.
+1, merging this ...
> Harden e2e tests' signal traps and config restoration during abort
> ------------------------------------------------------------------
>
> Key: FLINK-9163
> URL: https://issues.apache.org/jira/browse/FLINK-9163
> Project: Flink
> Issue Type: Bug
> Components: Tests
> Affects Versions: 1.5.0, 1.6.0, 1.5.1
> Reporter: Nico Kruber
> Assignee: Nico Kruber
> Priority: Major
> Fix For: 1.5.0
>
>
> Signal traps on certain systems, e.g. Linux, may be called concurrently when
> the trap is caught during its own execution. In that case, our cleanup may
> just be wrong and may also overly eagerly delete {{flink-conf.yaml}}.
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