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https://issues.apache.org/jira/browse/LUCENE-8106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16374776#comment-16374776
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Uwe Schindler commented on LUCENE-8106:
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Oh yes, I also noticed this. It does not pass the JVM properties to the runner, 
so the reproducing script runs with default garbage collector and compressed 
oops. Maybe the reproducer script should use a regex to catch the initial ANT 
call at the beginning of the log file and extract extra command line arguments 
from it. Then it would be universal and also works for ASF jenkins (if we add 
similar stuff there, too).

> 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-part3.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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