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https://issues.apache.org/jira/browse/LUCENE-8106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16370574#comment-16370574
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Steve Rowe commented on LUCENE-8106:
------------------------------------

BTW I noticed a side-effect of running the script as a Build step on Policeman 
Jenkins: if the Ant build step fails (e.g. precommit), then none of the 
following Build steps will be invoked.  Maybe this is ok?

An alternative would be to switch from a Build step to a Post-Build step, but 
this would require installing the Post Build Script plugin: 
https://github.com/jenkinsci/postbuildscript-plugin


> Add script to attempt to reproduce failing tests from a Jenkins log
> -------------------------------------------------------------------
>
>                 Key: LUCENE-8106
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8106
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Steve Rowe
>            Assignee: Steve Rowe
>            Priority: Major
>             Fix For: master (8.0), 7.3
>
>         Attachments: LUCENE-8106-part2.patch, LUCENE-8106.patch, 
> LUCENE-8106.patch
>
>
> This script will be runnable from a downstream job triggered by an upstream 
> failing Jenkins job, passing log location info between the two.
> The script will also be runnable manually from a developer's cmdline.
> From the script help:
> {noformat}
> Usage:
>      python3 -u reproduceJenkinsFailures.py URL
> Must be run from a Lucene/Solr git workspace. Downloads the Jenkins
> log pointed to by the given URL, parses it for Git revision and failed
> Lucene/Solr tests, checks out the Git revision in the local workspace,
> groups the failed tests by module, then runs
> 'ant test -Dtest.dups=5 -Dtests.class="*.test1[|*.test2[...]]" ...'
> in each module of interest, failing at the end if any of the runs fails.
> To control the maximum number of concurrent JVMs used for each module's
> test run, set 'tests.jvms', e.g. in ~/lucene.build.properties
> {noformat}



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