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From Simon Willnauer <simon.willna...@googlemail.com>
Subject Re: [JENKINS] Lucene-trunk - Build # 1559 - Still Failing
Date Thu, 12 May 2011 16:56:14 GMT
I found the issue - created LUCENE-3090 for it...
I am on it.

On Thu, May 12, 2011 at 3:08 PM, Michael McCandless
<lucene@mikemccandless.com> wrote:
> I dug some into this heap dump...
>
> Somehow we have a DWPT using WAY too much RAM (301 MB).  A 2nd DWPT
> has 105 MB tied up.  I'm getting these numbers from the bytesUsed
> AtomicLong in the DWPT class from the dump.
>
> This is baffling because, although this test indexes a large amount of
> content for a reasonably long time (5 minutes w/ -nightly), IW's RAM
> buffer is set to 16 MB, so these two DWPTs should have flushed long
> ago.
>
> However, I can't tell from the dump (it doesn't have enough info)
> whether these DWPTs are created by TestNRTThreads, or one of the many
> other tests that run inside the same JVM.  Ie, it's possible (but I
> think unlikely) some other test made these massive DWPTs and then
> somehow failed to clean them up (ie, left references to them).
>
> So my best theory at this point is something is wrong w/ the
> FlushPolicy -- it's not flushing after crossing the 16 MB threshold.
>
> Mike
>
> http://blog.mikemccandless.com
>
> On Wed, May 11, 2011 at 10:59 PM, Apache Jenkins Server
> <hudson@hudson.apache.org> wrote:
>> Build: https://builds.apache.org/hudson/job/Lucene-trunk/1559/
>>
>> 1 tests failed.
>> FAILED:  org.apache.lucene.index.TestNRTThreads.testNRTThreads
>>
>> Error Message:
>> this writer hit an OutOfMemoryError; cannot commit
>>
>> Stack Trace:
>> java.lang.IllegalStateException: this writer hit an OutOfMemoryError; cannot commit
>>        at org.apache.lucene.index.IndexWriter.prepareCommit(IndexWriter.java:2456)
>>        at org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:2538)
>>        at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2520)
>>        at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2504)
>>        at org.apache.lucene.index.TestNRTThreads.testNRTThreads(TestNRTThreads.java:223)
>>        at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1282)
>>        at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1211)
>>
>>
>>
>>
>> Build Log (for compile errors):
>> [...truncated 11983 lines...]
>>
>>
>>
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>>
>
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