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https://issues.apache.org/jira/browse/OAK-8244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16946554#comment-16946554
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Marcel Reutegger commented on OAK-8244:
---------------------------------------
The thread names indicate these are from the thread pool used by a full
repository stack build via the Jcr factory. The failures also look very similar
to OAK-2832. The fix there was to *not* extend from BaseTokenStreamTestCase.
Now it seems the test really needs the dependency to RandomizedRunner. To fix
the actual thread leak, we would have to look at tests that extend directly or
indirectly from AbstractJCRTest. That is, FacetTest and other classes in that
package. These tests use a repository constructed by SolrOakRepositoryStub and
this repository is not closed after each test. One fix I can think of is moving
all those tests to the integration test phase. But then it may be easier to
just ignore the leaked threads. There seems to be an annotation that instructs
the test runner to log a warn message when it detects a leaked thread. Worth a
try?
{noformat}
@RunWith(com.carrotsearch.randomizedtesting.RandomizedRunner.class)
@ThreadLeakAction(ThreadLeakAction.Action.WARN)
public class DefaultAnalyzersConfigurationTest extends BaseTokenStreamTestCase {
{noformat}
> Build failure: ThreadLeakError
> ------------------------------
>
> Key: OAK-8244
> URL: https://issues.apache.org/jira/browse/OAK-8244
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: continuous integration, solr
> Reporter: Hudson
> Assignee: Tommaso Teofili
> Priority: Major
> Fix For: 1.20.0
>
>
> No description is provided
> The build Jackrabbit Oak #2091 has failed.
> First failed run: [Jackrabbit Oak
> #2091|https://builds.apache.org/job/Jackrabbit%20Oak/2091/] [console
> log|https://builds.apache.org/job/Jackrabbit%20Oak/2091/console]
> {noformat}
> [ERROR] Tests run: 13, Failures: 0, Errors: 2, Skipped: 2, Time elapsed:
> 3.402 s <<< FAILURE! - in
> org.apache.jackrabbit.oak.plugins.index.solr.configuration.DefaultAnalyzersConfigurationTest
> [ERROR]
> org.apache.jackrabbit.oak.plugins.index.solr.configuration.DefaultAnalyzersConfigurationTest
> Time elapsed: 3.08 s <<< ERROR!
> com.carrotsearch.randomizedtesting.ThreadLeakError:
> 1 thread leaked from SUITE scope at
> org.apache.jackrabbit.oak.plugins.index.solr.configuration.DefaultAnalyzersConfigurationTest:
>
> 1) Thread[id=143, name=oak-scheduled-executor-61, state=TIMED_WAITING,
> group=main]
> at sun.misc.Unsafe.park(Native Method)
> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.poll(ScheduledThreadPoolExecutor.java:1129)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.poll(ScheduledThreadPoolExecutor.java:809)
> at
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> at __randomizedtesting.SeedInfo.seed([7416B4EE1CED31C6]:0)
> {noformat}
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