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https://issues.apache.org/jira/browse/SOLR-2282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12981241#action_12981241
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Stanislaw Osinski commented on SOLR-2282:
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{quote}
well, its not completely consistent even with the seed to me (smells like a
concurrency issue).
{quote}
This is what I've been suspecting from the beginning, I hope Dawid gets better
luck at reproducing the problem on his 4-core HT machine.
{quote}
Silly question, but did you remove the @Ignore on
DistributedClusteringComponentTest?
Otherwise, the reproducibility problem could be that it doesn't consistently
fail every time, even with the same seed.
{quote}
Yeah, I did remove the @Ignore, I'm getting "Testsuite:
org.apache.solr.handler.clustering.DistributedClusteringComponentTest, Tests
run: 1, Failures: 0, Errors: 0, Time elapsed: 59,658 sec" in the test results
dir. When it comes to reproducibility, I wasn't able to reproduce some other
concurrency issue on my 2-core machine, while on Dawid's 4-core hardware the
tests would fail sometimes, so I hope we can eventually get the exception
locally.
{quote}
I ran my previous fail three times, with the patch. This failed two out of
three times.
{quote}
Thanks for verifying this! It looks like the bug may be at some other place in
C2 code than I initially thought. Let us review the code once again, as soon as
we come up with the fix, I'll attach a patch.
> Distributed Support for Search Result Clustering
> ------------------------------------------------
>
> Key: SOLR-2282
> URL: https://issues.apache.org/jira/browse/SOLR-2282
> Project: Solr
> Issue Type: New Feature
> Components: contrib - Clustering
> Affects Versions: 1.4, 1.4.1
> Reporter: Koji Sekiguchi
> Assignee: Koji Sekiguchi
> Priority: Minor
> Fix For: 3.1, 4.0
>
> Attachments: SOLR-2282-diagnostics.patch, SOLR-2282.patch,
> SOLR-2282.patch, SOLR-2282.patch, SOLR-2282.patch, SOLR-2282.patch,
> SOLR-2282_test.patch
>
>
> Brad Giaccio contributed a patch for this in SOLR-769. I'd like to
> incorporate it.
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