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Posted to java-user@lucene.apache.org by Liz Sommers <li...@gmail.com> on 2013/05/09 18:37:53 UTC

problem with reading an index

We are totally confused and are wondering if this is a known bug.  We are
currently using lucene 3.6.0 to index with and for our searches.

Our indexing software was compiled under openJdk 1.6.0-b09.

Our index was built under HotSpot 1.6.0_43-b01

We are trying to run our index under openJdk 1.6.0_0

Yes, I know these are old jvms, but at this point we are stuck with them.

If we run our search software under HotSpot (the machine we built the index
on) we get correct answers.

If we run our search software under openJdk 1.6.0_0 we consistently get the
same (incorrect) answer.

Is there a feature/bug in lucene that is causing this discrepancy?

Thanks so much
Liz Sommers
lizsworks@gmail.com

Re: problem with reading an index

Posted by "Igal @ getRailo.org" <ig...@getrailo.org>.
@Uwe -- I thought that when it comes to Lucene -- you ARE McGyver ;)


On 5/9/2013 9:48 AM, Uwe Schindler wrote:
> Hi Liz,
>
> See http://wiki.apache.org/lucene-java/JavaBugs
> If you run Lucene under such old Java versions, we cannot give any support. The Hotspot VMs in older versions is so buggy that running Lucene with them is just like running a 20 year old car down a hill and no MacGyver sitting next to you :-)
>
> Uwe
>
> P.S.: You may also be interested in the following talk coming soon on the BerlinBuzzwords conference:
> http://berlinbuzzwords.de/sessions/testing-lucene-and-solr-various-jvms-bugs-bugs-bugs
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: uwe@thetaphi.de
>
>
>> -----Original Message-----
>> From: Liz Sommers [mailto:lizsworks@gmail.com]
>> Sent: Thursday, May 09, 2013 6:38 PM
>> To: java-user@lucene.apache.org
>> Subject: problem with reading an index
>>
>> We are totally confused and are wondering if this is a known bug.  We are
>> currently using lucene 3.6.0 to index with and for our searches.
>>
>> Our indexing software was compiled under openJdk 1.6.0-b09.
>>
>> Our index was built under HotSpot 1.6.0_43-b01
>>
>> We are trying to run our index under openJdk 1.6.0_0
>>
>> Yes, I know these are old jvms, but at this point we are stuck with them.
>>
>> If we run our search software under HotSpot (the machine we built the index
>> on) we get correct answers.
>>
>> If we run our search software under openJdk 1.6.0_0 we consistently get the
>> same (incorrect) answer.
>>
>> Is there a feature/bug in lucene that is causing this discrepancy?
>>
>> Thanks so much
>> Liz Sommers
>> lizsworks@gmail.com
>
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RE: problem with reading an index

Posted by Uwe Schindler <uw...@thetaphi.de>.
Hi Liz,

See http://wiki.apache.org/lucene-java/JavaBugs
If you run Lucene under such old Java versions, we cannot give any support. The Hotspot VMs in older versions is so buggy that running Lucene with them is just like running a 20 year old car down a hill and no MacGyver sitting next to you :-)

Uwe

P.S.: You may also be interested in the following talk coming soon on the BerlinBuzzwords conference:
http://berlinbuzzwords.de/sessions/testing-lucene-and-solr-various-jvms-bugs-bugs-bugs

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Liz Sommers [mailto:lizsworks@gmail.com]
> Sent: Thursday, May 09, 2013 6:38 PM
> To: java-user@lucene.apache.org
> Subject: problem with reading an index
> 
> We are totally confused and are wondering if this is a known bug.  We are
> currently using lucene 3.6.0 to index with and for our searches.
> 
> Our indexing software was compiled under openJdk 1.6.0-b09.
> 
> Our index was built under HotSpot 1.6.0_43-b01
> 
> We are trying to run our index under openJdk 1.6.0_0
> 
> Yes, I know these are old jvms, but at this point we are stuck with them.
> 
> If we run our search software under HotSpot (the machine we built the index
> on) we get correct answers.
> 
> If we run our search software under openJdk 1.6.0_0 we consistently get the
> same (incorrect) answer.
> 
> Is there a feature/bug in lucene that is causing this discrepancy?
> 
> Thanks so much
> Liz Sommers
> lizsworks@gmail.com


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