I will look into that as well.

Shai

On Thursday, December 9, 2010, Uwe Schindler <[email protected]> wrote:
> Have not looked into this, but as far as I know it the printout *before* the
> check for the other thread's exception status in teardown.
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: [email protected]
>
>
>> -----Original Message-----
>> From: Michael McCandless [mailto:[email protected]]
>> Sent: Thursday, December 09, 2010 5:06 PM
>> To: [email protected]
>> Subject: Re: TestSearchWithThreads failure
>>
>> On Thu, Dec 9, 2010 at 10:32 AM, Shai Erera <[email protected]> wrote:
>> > Hi
>> >
>> > I've hit this:
>> >
>> >     [junit] Testsuite: org.apache.lucene.search.TestSearchWithThreads
>> >     [junit] Testcase:
>> > test(org.apache.lucene.search.TestSearchWithThreads):     FAILED
>> >     [junit] Some threads threw uncaught exceptions!
>> >     [junit] junit.framework.AssertionFailedError: Some threads threw
>> > uncaught exceptions!
>> >     [junit]     at
>> >
>> org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(Lu
>> > ceneTestCase.java:1039)
>> >     [junit]     at
>> >
>> org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(Lu
>> > ceneTestCase.java:977)
>> >     [junit]     at
>> >
>> org.apache.lucene.util.LuceneTestCase.tearDown(LuceneTestCase.java:478
>> > )
>> >     [junit]
>> >     [junit]
>> >     [junit] Tests run: 1, Failures: 1, Errors: 0, Time elapsed: 1.487
>> > sec
>> >     [junit]
>> >     [junit] ------------- Standard Error -----------------
>> >     [junit] The following exceptions were thrown by threads:
>> >     [junit] *** Thread: Thread-98 ***
>> >     [junit] java.lang.AssertionError:
>> >     [junit]     at org.junit.Assert.fail(Assert.java:91)
>> >     [junit]     at org.junit.Assert.assertTrue(Assert.java:43)
>> >     [junit]     at org.junit.Assert.assertTrue(Assert.java:55)
>> >     [junit]     at
>> >
>> org.apache.lucene.search.TestSearchWithThreads$1.run(TestSearchWithThr
>> > eads.java:88)
>> >     [junit] *** Thread: Thread-100 ***
>> >     [junit] java.lang.AssertionError:
>> >     [junit]     at org.junit.Assert.fail(Assert.java:91)
>> >     [junit]     at org.junit.Assert.assertTrue(Assert.java:43)
>> >     [junit]     at org.junit.Assert.assertTrue(Assert.java:55)
>> >     [junit]     at
>> >
>> org.apache.lucene.search.TestSearchWithThreads$1.run(TestSearchWithThr
>> > eads.java:88)
>> >     [junit] ------------- ---------------- ---------------
>> >     [junit] TEST org.apache.lucene.search.TestSearchWithThreads FAILED
>> >
>> > No 'reproduce' command, and I ran the test alone as well as test-core
>> > multiple times since and wasn't able to reproduce since.
>>
>> Hmm why no repro command?  That's no good.  Maybe if a test fails only due
>> to threads other than main, we fail to print repro?
>>
>> > The failure is on this line: assertTrue(totHits > 0);
>> >
>> > Looking in the code, there are two possible causes I can think of:
>> >
>> > 1) The while() loop isn't executed because the machine hiccup or
>> > something and stopAt reached before reaching while() ... or failed.get()
> is
>> true.
>> > --> we need to fix the assert in any case I think, to assert
>> > --> !failed.get()
>> > && totalHits > 0 ... otherwise it will fail, potentially masking the
>> > original failure.
>> > --> we need to set a boolean inside the loop, e.g. "ran=true" and
>> > incorporate that in the assert.
>>
>> Good, I agree!  And I think also change assert to tolerate numSearch == 0?
> Ie<

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