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https://issues.apache.org/jira/browse/SOLR-16983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chris M. Hostetter updated SOLR-16983:
--------------------------------------
Attachment: SOLR-16983.bug-demo.nocommit.patch
Status: Open (was: Open)
I'm attaching a rough nocommit patch that demonstrates the problem:
{{BasicFunctionalityTest.testObjectTrackerSanityCheck}} should clearly fail...
{code:java}
public void testObjectTrackerSanityCheck() throws Exception { // nocommit
assertTrue(org.apache.solr.common.util.ObjectReleaseTracker.track("nocommit:tracked-object-never-released"));
}
{code}
...but it in fact passes, and the {{System.err.println}} calls in the patch
make it clear why...
{noformat}
hossman@slate:~/lucene/solr [j11] [*main] $ ./gradlew test --max-workers=1
--tests BasicFunctionalityTest.testObjectTrackerSanityCheck -Ptests.verbose=true
...
2> nocommit: STCJ4.AfterClass
2> nocommit: ORT.clear
2> nocommit: STC.rule.afterIfSuccessful
2> nocommit: ORT.checkEmpty
2> nocommit: ORT.clear
...
2> NOTE: All tests run in this JVM: [BasicFunctionalityTest]
:solr:core:test (SUCCESS): 1 test(s)
The slowest suites (exceeding 1s) during this run:
3.26s BasicFunctionalityTest (:solr:core)
BUILD SUCCESSFUL in 18s
{noformat}
At a quick glance, I suspect this bug was introduced by changes made in
{{commit 21bc46c43c94cc90589cc536ffc7518908e64240}} (SOLR-16573) that affected
when in the lifecycle of {{SolrTestCase}} subclasses the
{{ObjectReleaseTracker.clearObjectTrackerAndCheckEmpty()}} check got called –
But I haven't verified that. (It's possible the problem is much older).
/ping [~dsmiley] & [~joshgogz]
> ObjectReleaseTracker completely useless in all SolrTestCaseJ4 based tests
> -------------------------------------------------------------------------
>
> Key: SOLR-16983
> URL: https://issues.apache.org/jira/browse/SOLR-16983
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Chris M. Hostetter
> Priority: Major
> Attachments: SOLR-16983.bug-demo.nocommit.patch
>
>
>
> {{SolrTestCase}} has a {{@ClassRule}} named {{solrClassRules}} which calls
> {{ObjectReleaseTracker.clearObjectTrackerAndCheckEmpty()}} in it's
> {{afterIfSuccessful()}} method to ensure that any objects which use
> {{ObjectReleaseTracker}} are correctly released (ie: closed)
> _*...BUT...*_
> {{SolrTestCaseJ4}} has an {{@AfterClass}} method named
> {{teardownTestCases()}} which calls {{ObjectReleaseTracker.clear()}} _before_
> the {{afterIfSuccessful()}} method of it's parent class's {{solrClassRules}}
> gets to run.
> ... Which means that {{ObjectReleaseTracker}} is completley useless in every
> test that descends from {{{}SolrTestCaseJ4{}}}.
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