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Posted to issues@flink.apache.org by "Yangze Guo (Jira)" <ji...@apache.org> on 2020/06/09 07:46:00 UTC

[jira] [Commented] (FLINK-18205) Mitigate the use of reflection in HadoopModule

    [ https://issues.apache.org/jira/browse/FLINK-18205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128965#comment-17128965 ] 

Yangze Guo commented on FLINK-18205:
------------------------------------

Could someone kindly assign this to me?

> Mitigate the use of reflection in HadoopModule
> ----------------------------------------------
>
>                 Key: FLINK-18205
>                 URL: https://issues.apache.org/jira/browse/FLINK-18205
>             Project: Flink
>          Issue Type: Improvement
>          Components: Deployment / YARN
>            Reporter: Yangze Guo
>            Priority: Major
>             Fix For: 1.12.0
>
>
> Since Flink drops support for Hadoop 1 since FLINK-4895, it would be good to mitigate the use of reflection in {{HadoopModule}}. To be specific, we could make sure the following methods exist in Hadoop 2+:
> - Credentials#getAllTokens
> - Credentials#readTokenStorageFile
> - UserGroupInformation#addCredentials



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