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https://issues.apache.org/jira/browse/FLINK-17124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17082394#comment-17082394
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Jeff Zhang commented on FLINK-17124:
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Should it be a blocker issue for 1.10.1 ?
> The PyFlink Job runs into infinite loop if the UDF file imports job code.
> -------------------------------------------------------------------------
>
> Key: FLINK-17124
> URL: https://issues.apache.org/jira/browse/FLINK-17124
> Project: Flink
> Issue Type: Bug
> Components: API / Python
> Affects Versions: 1.10.0, 1.11.0
> Reporter: Huang Xingbo
> Priority: Major
>
> If the UDF file imports job code directly or indirectly, the PyFlink Job will
> run into a infinite loop as follows:
> - submit job
> - execute job
> - launch UDF worker
> - import UDF
> - (If the job file is depended by UDF or imported as the top level module)
> import job code
> - (If the job code is executed outside the "*if __name__ == '__main__':*")
> launch gateway server and submit job to local executor
> - execute job in local mode
> - launch UDF worker
> - import UDF
> - import job code
> ...
> This infinite loop will create new Java processes and Python processes
> endlessly until the resources on the machine are exhausted. We should fix it
> ASAP.
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