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From Erick Erickson <erickerick...@gmail.com>
Subject Re: inconsistent JVM crash with version 4.0-SNAPSHOT
Date Sat, 26 Nov 2011 03:41:29 GMT
Don't know if its this particular issue, but have you seen:
https://issues.apache.org/jira/browse/LUCENE-3588

Best
Erick

On Fri, Nov 25, 2011 at 4:59 PM, Justin Caratzas
<justin.caratzas@gmail.com> wrote:
> Lasse Aagren <aagren@dtic.dk> writes:
>
>> Hi,
>>
>> We are running Solr-Lucene 4.0-SNAPSHOT (1199777M - hudson - 2011-11-09 14:58:50)
on severel servers running:
>>
>> 64bit Debian Squeeze (6.0.3)
>> OpenJDK6 (b18-1.8.9-0.1~squeeze1)
>> Tomcat 6.028 (6.0.28-9+squeeze1)
>>
>> Some of the servers have 48G RAM and in that case java have 16G (-Xmx16g) and some
of the servers have 96G RAM and in that case java have 48G (-Xmx48G).
>>
>> We are seeing some inconsistent crashes of tomcat's JVM under different Solr/Lucene
operations/circumstances. Sadly we can't replicate it.
>>
>> It doesn't happen often, but often enough that we can't rely on it in production.
>>
>> When it happens, something like the following appears in the logs:
>>
>> ==========================================================================
>> #
>> # A fatal error has been detected by the Java Runtime Environment:
>> #
>> #  SIGSEGV (0xb) at pc=0x00007f6c318d0902, pid=16516, tid=139772378892032
>> #
>> # JRE version: 6.0_18-b18
>> # Java VM: OpenJDK 64-Bit Server VM (14.0-b16 mixed mode linux-amd64 )
>> # Derivative: IcedTea6 1.8.9
>> # Distribution: Debian GNU/Linux 6.0.2 (squeeze), package 6b18-1.8.9-0.1~squeeze1
>> # Problematic frame:
>> # j  org.apache.lucene.search.MultiTermQueryWrapperFilter.getDocIdSet(Lorg/apache/lucene/index/IndexReader$AtomicReaderContext;Lorg/apache/lucene/util/Bits;)Lorg/apache/lucene/search/DocIdSet;+193
>> #
>> # An error report file with more information is saved as:
>> # /tmp/hs_err_pid16516.log
>> #
>> # If you would like to submit a bug report, please include
>> # instructions how to reproduce the bug and visit:
>> #   http://icedtea.classpath.org/bugzilla
>> #
>> ==========================================================================
>>
>> Every time it happens the problematic frame is:
>>
>> Problematic frame:
>> # j  org.apache.lucene.search.MultiTermQueryWrapperFilter.getDocIdSet(Lorg/apache/lucene/index/IndexReader$AtomicReaderContext;Lorg/apache/lucene/util/Bits;
>> )Lorg/apache/lucene/search/DocIdSet;+193
>>
>> And /tmp/hs_err_pid16516.log is attached to this mail.
>>
>> Has anyone seen this before?
>>
>> Please don't hesitate to ask for further specification about our setup.
>>
>> Best regards,
>
> I seem to remember a recent java released fixed seemingly random
> SIGSEGV's causing Solr/Lucene to crash non-deterministicly.
>
> http://lucene.apache.org/solr/#26+October+2011+-+Java+7u1+fixes+index+corruption+and+crash+bugs+in+Apache+Lucene+Core+and+Apache+Solr
>
> Hopefully this will provide you with some answers. If not, please let
> the list know.
>
> justin
>
>

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