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https://issues.apache.org/jira/browse/LUCENE-6194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14287710#comment-14287710
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Dawid Weiss commented on LUCENE-6194:
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Well, I guess that's what I was trying to say -- some understanding of how it
works should be present, there is no single "reproduce with" set of steps, at
least if you want to really get to the bottom of the problem.
The "safer" bet for "reproduce with" would be to emit the master seed and
-Dtests.iters=X if X>1. The full seed will be typically present in stack traces
and all other messages anyway, so it can be always typed-in explicitly.
> Reproduce with should include -Dtests.iters=N
> ---------------------------------------------
>
> Key: LUCENE-6194
> URL: https://issues.apache.org/jira/browse/LUCENE-6194
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/test-framework
> Reporter: Michael McCandless
> Priority: Minor
>
> I was playing with the patch on LUCENE-6066, and hit a test failure, but then
> the "Reproduce with: " failed to reproduce, which threw me for a bit of a
> loop, until I realized it was missing the -Dtests.iters=N.
> To see this, apply the patch on LUCENE-6066 to trunk and then run this:
> {noformat}
> ant test -Dtestcase=TestPriorityQueue
> -Dtests.method=testRemovalsAndInsertions* -Dtests.seed=2576D26D551748E5
> -Dtests.slow=true
> -Dtests.linedocsfile=/lucenedata/hudson.enwiki.random.lines.txt
> -Dtests.locale=ru_RU -Dtests.timezone=Europe/Paris -Dtests.asserts=true
> -Dtests.file.encoding=UTF-8 -Dtests.iters=10
> {noformat}
> (or just insert a random test failure into e.g. TestDemo or something).
> It should fail, but the "Reproduce with: ..." line does not include
> -Dtests.iters=10. I think it should?
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