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https://issues.apache.org/jira/browse/LUCENE-3973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13259360#comment-13259360
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Chris Male commented on LUCENE-3973:
------------------------------------

bq. We need to be careful about where these results go: it could affect 
packaging tasks.

Good point.  Then having a single folder for all the results which is outside 
of the module build dirs is probably safest.  The IDE setups do the same thing.
                
> Incorporate PMD / FindBugs
> --------------------------
>
>                 Key: LUCENE-3973
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3973
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: general/build
>            Reporter: Chris Male
>         Attachments: LUCENE-3973.patch, LUCENE-3973.patch, LUCENE-3973.patch, 
> core.html, solr-core.html
>
>
> This has been touched on a few times over the years.  Having static analysis 
> as part of our build seems like a big win.  For example, we could use PMD to 
> look at {{System.out.println}} statements like discussed in LUCENE-3877 and 
> we could possibly incorporate the nocommit / @author checks as well.
> There are a few things to work out as part of this:
> - Should we use both PMD and FindBugs or just one of them? They look at code 
> from different perspectives (bytecode vs source code) and target different 
> issues.  At the moment I'm in favour of trying both but that might be too 
> heavy handed for our needs.
> - What checks should we use? There's no point having the analysis if it's 
> going to raise too many false-positives or problems we don't deem 
> problematic.  
> - How should the analysis be integrated in our build? Need to work out when 
> the analysis should run, how it should be incorporated in Ant and/or Maven, 
> what impact errors should have.

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