[jira] [Commented] (LUCENE-6740) Reduce warnings in Java 7/Java 8 build

["Uwe Schindler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-6740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14698211#comment-14698211 ] 

Uwe Schindler commented on LUCENE-6740:
---------------------------------------

I will directly commit the changes, no patches (as there is no functionality change).

> Reduce warnings in Java 7/Java 8 build
> --------------------------------------
>
>                 Key: LUCENE-6740
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6740
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>              Labels: Java7, Java8
>             Fix For: Trunk, 5.4
>
>
> This is a overview issue about improvements to reduce warnings during the build. Since we moved trunk to Java 8 and branch_5x to Java 7, there were introduced some additional warnings, mostly in generated code.
> ANTLR4 does automatically add the needed @SuppressWarnings, but jflex does not. There are also some rawtypes warnings, which changed in Java 7 (before Java 7 there were only "unsafe" warnings, now you need both.
> I enabled the Warnings tracker in Policeman Jenkins, we can therefore very easily check the warnings: e.g. on trunk: http://jenkins.thetaphi.de/job/Lucene-Solr-trunk-Linux/ (see diagram on the right), you can click on it, e.g. http://jenkins.thetaphi.de/job/Lucene-Solr-trunk-Linux/13866/warnings4Result/



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