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https://issues.apache.org/jira/browse/FLINK-10711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16668796#comment-16668796
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Hequn Cheng commented on FLINK-10711:
-------------------------------------

How about start scripts with `set -eo pipefail`. Errors can also be swallowed 
if `set -e` with pipeline, such as `a=$[1/0]|b=2`.

> flink-end-to-end-tests can fail silently
> ----------------------------------------
>
>                 Key: FLINK-10711
>                 URL: https://issues.apache.org/jira/browse/FLINK-10711
>             Project: Flink
>          Issue Type: Bug
>          Components: E2E Tests
>    Affects Versions: 1.7.0
>            Reporter: Piotr Nowojski
>            Assignee: Hequn Cheng
>            Priority: Blocker
>             Fix For: 1.7.0
>
>
> Because they are written in bash and they are not setting
> {code:bash}
> set -e
> {code}
> at the beginning, errors can be swallowed silently.



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