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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: background merge hit exception
Date Sat, 10 Sep 2011 10:58:43 GMT
On Fri, Sep 9, 2011 at 6:50 PM, Koji Sekiguchi <koji@r.email.ne.jp> wrote:
>>> Also: what java version are they running? We added this check
>>> originally as a workaround for a JRE bug... but usually when that bug
>>> strikes the file size is very close (like off by just 1 byte or 8
>>> bytes or something).
>>
>> I think they are using 1.6, but I should ask the minor number.
>> Could you show me the pointer of the JRE bug you mentioned?
>
> I found:
>
> https://issues.apache.org/jira/browse/LUCENE-1282
> https://issues.apache.org/jira/browse/LUCENE-1869

Yes, it's LUCENE-1282!

Somehow hotspot had trouble properly compiling an if statement
embedded in a for loop when that if statement "rarely" changes its
condition.  But I believe it was fixed by 1.6.0_10.

Mike McCandless

http://blog.mikemccandless.com

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