[jira] [Commented] (FLINK-15504) Flink suppresses stdout/stderr during JobGraph generation from JAR

["Yang Wang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-15504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17010334#comment-17010334 ] 

Yang Wang commented on FLINK-15504:
-----------------------------------

[https://lists.apache.org/thread.html/0b47666d649501bab117b1b0f3262e7483ad8aa40872e76a414268d3%40%3Cuser.flink.apache.org%3E]

 

Some users come across with the same problem.

> Flink suppresses stdout/stderr during JobGraph generation from JAR
> ------------------------------------------------------------------
>
>                 Key: FLINK-15504
>                 URL: https://issues.apache.org/jira/browse/FLINK-15504
>             Project: Flink
>          Issue Type: Bug
>          Components: Client / Job Submission
>            Reporter: Maximilian Michels
>            Assignee: Maximilian Michels
>            Priority: Major
>
> Flink uses the {{OptimizerPlanEnvironment}} which replaces stdout/stderr during job graph creation. This was intended only for previewing the plan, but other parts of Flink, e.g. the Rest API have started to use this code as well. 
> It may be acceptable to suppress output during plan preview, but we should not suppress the output during execution, e.g. via the REST API.



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