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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org> on 2018/03/12 15:42:01 UTC

[jira] [Reopened] (FLINK-7656) Switch to user ClassLoader when invoking initializeOnMaster finalizeOnMaster

     [ https://issues.apache.org/jira/browse/FLINK-7656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai reopened FLINK-7656:
----------------------------------------

> Switch to user ClassLoader when invoking initializeOnMaster finalizeOnMaster
> ----------------------------------------------------------------------------
>
>                 Key: FLINK-7656
>                 URL: https://issues.apache.org/jira/browse/FLINK-7656
>             Project: Flink
>          Issue Type: Bug
>          Components: Local Runtime
>    Affects Versions: 1.3.2
>            Reporter: Fabian Hueske
>            Assignee: Fabian Hueske
>            Priority: Major
>             Fix For: 1.4.0, 1.3.4
>
>
> The contract that Flink provides to usercode is that that the usercode classloader is the context classloader whenever usercode is called.
> In {{OutputFormatVertex}} usercode is called in the {{initializeOnMaster()}} and {{finalizeOnMaster()}} methods but the context classloader is not set to the usercode classloader.



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