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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4482) Likely Zing JVM bug causes failures in TestPayloadNearQuery
Date Sat, 13 Oct 2012 15:12:02 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13475624#comment-13475624
] 

Michael McCandless commented on LUCENE-4482:
--------------------------------------------


bq. So it is definitely a JVM and not a Lucene bug!

I'm pretty sure: the JVM is failing to call the overridden method in a
subclass (calling the base class method instead).  No other JVMs fail
here, and Zing won't fail if you run the test in isolation ... and it
doesn't always fail if you run all tests (ie it seems to depend on the
seed).

bq. Have you reported it?

Working on it ... trying to get an account at http://www.azulsystems.com/developers/bugzilla/

{quote}
I would run Zing tests, too, but before doing that they should:
Not rely on strange binary kernel modules that are outdated on Ubuntu 12.04.1 LTS. The Jenkins
server is running in DMZ so I will never ever run it with outdated kernels. They should (if
they really need a kernel module, which is in my opinion a no-go, too) use DKMS and make the
kernel module open source, so my kernel is also not tainted. Without that I will not support
Zing, sorry. But I doubt if the kernel module is really needed! Without a clear explanation
why this is needed on their homepage I don't agree.
{quote}

I agree: it's crazy it only runs as binary module on old kernel
versions ... they know this is a showstopper (I've complained about
it several times...) and they're working on it.

                
> Likely Zing JVM bug causes failures in TestPayloadNearQuery
> -----------------------------------------------------------
>
>                 Key: LUCENE-4482
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4482
>             Project: Lucene - Core
>          Issue Type: Bug
>         Environment: Lucene trunk, rev 1397735
> Zing:
> {noformat}
>   java version "1.6.0_31"
>   Java(TM) SE Runtime Environment (build 1.6.0_31-6)
>   Java HotSpot(TM) 64-Bit Tiered VM (build 1.6.0_31-ZVM_5.2.3.0-b6-product-azlinuxM-X86_64,
mixed mode)
> {noformat}
> Ubuntu 12.04 LTS 3.2.0-23-generic kernel
>            Reporter: Michael McCandless
>         Attachments: LUCENE-4482.patch
>
>
> I dug into one of the Lucene test failures when running with Zing JVM
> (available free for open source devs...).  At least one other test
> sometimes fails but I haven't dug into that yet.
> I managed to get the failure easily reproduced: with the attached
> patch, on rev 1397735 checkout, if you cd to lucene/core and run:
> {noformat}
>   ant test -Dtests.jvms=1 -Dtests.seed=C3802435F5FB39D0 -Dtests.showSuccess=true
> {noformat}
> Then you'll hit several failures in TestPayloadNearQuery, eg:
> {noformat}
> Suite: org.apache.lucene.search.payloads.TestPayloadNearQuery
>   1> FAILED
>   2> NOTE: reproduce with: ant test  -Dtestcase=TestPayloadNearQuery -Dtests.method=test
-Dtests.seed=C3802435F5FB39D0 -Dtests.slow=true -Dtests.locale=ga -Dtests.timezone=America/Adak
-Dtests.file.encoding=US-ASCII
> ERROR   0.01s | TestPayloadNearQuery.test <<<
>    > Throwable #1: java.lang.RuntimeException: overridden idfExplain method in TestPayloadNearQuery.BoostingSimilarity
was not called
>    > 	at __randomizedtesting.SeedInfo.seed([C3802435F5FB39D0:4BD41BEF5B075428]:0)
>    > 	at org.apache.lucene.search.similarities.TFIDFSimilarity.computeWeight(TFIDFSimilarity.java:740)
>    > 	at org.apache.lucene.search.spans.SpanWeight.<init>(SpanWeight.java:62)
>    > 	at org.apache.lucene.search.payloads.PayloadNearQuery$PayloadNearSpanWeight.<init>(PayloadNearQuery.java:147)
>    > 	at org.apache.lucene.search.payloads.PayloadNearQuery.createWeight(PayloadNearQuery.java:75)
>    > 	at org.apache.lucene.search.IndexSearcher.createNormalizedWeight(IndexSearcher.java:648)
>    > 	at org.apache.lucene.search.AssertingIndexSearcher.createNormalizedWeight(AssertingIndexSearcher.java:60)
>    > 	at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:265)
>    > 	at org.apache.lucene.search.payloads.TestPayloadNearQuery.test(TestPayloadNearQuery.java:146)
>    > 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    > 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    > 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>    > 	at java.lang.reflect.Method.invoke(Method.java:597)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1559)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner.access$600(RandomizedRunner.java:79)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:737)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:773)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:787)
>    > 	at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
>    > 	at org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:51)
>    > 	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>    > 	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>    > 	at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
>    > 	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:70)
>    > 	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>    > 	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>    > 	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:358)
>    > 	at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:782)
>    > 	at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:442)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:746)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:648)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:682)
>    > 	at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:693)
>    > 	at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>    > 	at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
>    > 	at com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>    > 	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>    > 	at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>    > 	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>    > 	at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:43)
>    > 	at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>    > 	at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:70)
>    > 	at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
>    > 	at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>    > 	at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:358)
>    > 	at java.lang.Thread.run(Thread.java:661)
> {noformat}
> The patch at least isolates the JVM bug even if it's not exactly a
> minimal test :)  Somehow the idfExplain method, which
> is overridden in this test's BoostingSimilarity, fails to be called
> (the super.idfExplain is called instead), which leads to the test
> failures.
> The failure does not happen if you run this test in isolation.

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