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https://issues.apache.org/jira/browse/CASSANDRA-13175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156593#comment-16156593
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Marcus Eriksson commented on CASSANDRA-13175:
---------------------------------------------

the error is because {{ant errorprone}} does not generate a junit xml which we 
try to collect later, fix 
[here|https://github.com/krummas/cassandra/commit/2beae60a1189b90515f093ef46fa4214e529f187]
 - circle running [here|https://circleci.com/gh/krummas/cassandra/107]

> Integrate "Error Prone" Code Analyzer
> -------------------------------------
>
>                 Key: CASSANDRA-13175
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13175
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stefan Podkowinski
>            Assignee: Stefan Podkowinski
>         Attachments: 0001-Add-Error-Prone-code-analyzer.patch, 
> checks-2_2.out, checks-3_0.out, checks-trunk.out
>
>
> I've been playing with [Error Prone|http://errorprone.info/] by integrating 
> it into the build process and to see what kind of warnings it would produce. 
> So far I'm positively impressed by the coverage and usefulness of some of the 
> implemented checks. See attachments for results.
> Unfortunately there are still some issues on how the analyzer is effecting 
> generated code and used guava versions, see 
> [#492|https://github.com/google/error-prone/issues/492]. In case those issues 
> have been solved and the resulting code isn't affected by the analyzer, I'd 
> suggest to add it to trunk with warn only behaviour and some less useful 
> checks disabled. Alternatively a new ant target could be added, maybe with 
> build breaking checks and CI integration.



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