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https://issues.apache.org/jira/browse/LUCENE-3973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14311763#comment-14311763
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Mike Drob commented on LUCENE-3973:
-----------------------------------
bq. I'm just kind of curious how you envision PMD succeeding when these are
still ignored...
I imagine that those are ignored because there are so many of them. If we get
them down to a good number (i.e. zero) then future ones can be set to fail the
build, or at least configured on a Jenkins instance somewhere to fail the build.
I am definitely willing to put in the time myself to cut these down; David's
suggestion to go by module seems perfectly reasonable to me. We can do javac
warnings or PMD warnings or both. Getting the tooling in place is a necessary
step in that direction.
> Incorporate PMD / FindBugs
> --------------------------
>
> Key: LUCENE-3973
> URL: https://issues.apache.org/jira/browse/LUCENE-3973
> Project: Lucene - Core
> Issue Type: Improvement
> Components: general/build
> Reporter: Chris Male
> Labels: newdev
> Attachments: LUCENE-3973.patch, LUCENE-3973.patch, LUCENE-3973.patch,
> LUCENE-3973.patch, LUCENE-3973.patch, 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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