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https://issues.apache.org/jira/browse/LUCENE-2730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926605#action_12926605
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Uwe Schindler edited comment on LUCENE-2730 at 10/30/10 12:38 PM:
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Hangs in this and other tests can also come from incorrect test MT programming.
Just think about Michael Busch's talk @ LuceneRev. The test uses some fields in
the thread that are not volatile or synchronized on. The test is fixed in
trunk/3.x during our total test overhaul. There are about 10 tests using the
same wrong thread inner class.
If we want to fix that we must also fix backwards... happy tag creating again
*g*
was (Author: thetaphi):
Hangs in this and other tests can also come from increet test MT
programming. Just think about Michael Busch's talk @ LuceneRev. The test uses
some fields in the thread that are not volatile or synchronized on. The test is
fixed in trunk/3.x during our total test overhaul. There are about 10 tests
using the same wrong thread inner class.
If we want to fix that we must also fix backwards... happy tag creating again
*g*
> intermittent deadlock in TestAtomicUpdate,TestIndexWriterExceptions
> -------------------------------------------------------------------
>
> Key: LUCENE-2730
> URL: https://issues.apache.org/jira/browse/LUCENE-2730
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 2.9.3, 3.0.2
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 2.9.4, 3.0.3
>
> Attachments: LUCENE-2730.patch
>
>
> While backporting issues for 2.9.x/3.0.x release I hit deadlocks in these two
> tests, under both test-core and test-tag.
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