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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8847) Modules containing package-info.java are always recompiled
Date Fri, 09 Mar 2018 12:43:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16392830#comment-16392830
] 

ASF GitHub Bot commented on FLINK-8847:
---------------------------------------

Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/5644
  
    Looks good.



> Modules containing package-info.java are always recompiled
> ----------------------------------------------------------
>
>                 Key: FLINK-8847
>                 URL: https://issues.apache.org/jira/browse/FLINK-8847
>             Project: Flink
>          Issue Type: Bug
>          Components: Build System
>    Affects Versions: 1.3.2, 1.5.0, 1.4.1
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Minor
>             Fix For: 1.5.0, 1.4.3
>
>
> All modules that contain a {{package-info.java}} file (that do not contain annotations
which applies to *all* instances in Flink) will always be recompiled by the {{maven-compiler-plugin}}.
> To detect modified files the compiler compares timestamps of the source and .class file.
In the case of {{package-info.java}} no .class file is created if it doesn't contain annotations,
which the compiler interprets as a missing .class file.
> We can add {{-Xpkginfo:always}} to the compiler configuration to force the generation
of these files to prevent this from happening.



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