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https://issues.apache.org/jira/browse/LUCENE-4631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532569#comment-13532569
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Shawn Heisey commented on LUCENE-4631:
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It seems like SOLR-4132 might be at least marginally related to this ... or it
might be something entirely separate. Which way do you see it?
> Add utility class for getting information about suspicious system concerns at
> runtime
> -------------------------------------------------------------------------------------
>
> Key: LUCENE-4631
> URL: https://issues.apache.org/jira/browse/LUCENE-4631
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Hoss Man
>
> (Inspired by an idea Uwe mentioned in LUCENE-4630)
> Over the years, we've discovered various bugs in JVMs, specific JVM options,
> combinations of JVM options, combinations of JVMs and operating systems,
> etc... We've done a fairly decent job of alerting users to these known
> issues in documentation, and we've attempted to make tests not give false
> failures if people use these setups -- but there is probably more we could be
> doing to alert users who may not run tests, or read all the docs/blogs.
> I think we should add a new class to Lucene Core that provides a simple API
> for applications to get a list of "warning" Strings based on what lucene can
> dedect from the currently running JVM/OS. This should be something trivial
> for people writing apps using lucene to integrate into their code and/or
> tests (even if they don't use the LuceneTestCase) to notify them if when
> there are known compatibility issues between their enviornment and the
> version of lucene this class ships with.
> This code should be executed, and all of the resulting warning messages
> outputed by...
> * the CheckIndex command line mode on startup
> * the Lucene Demo app(s) on startup
> * infostream (if used) the first time it's configured on an IndexWriterConfig
> * Solr startup logs
> * Solr admin UI (as exposed by the Solr SystemInfoRequestHandler HTTP API)
> * in the Lucene test framework after any test runs
> ...in addition, specific logic/messages in this code could help implement the
> annotations Dawid is suggesting in LUCENE-4630.
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