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Posted to solr-user@lucene.apache.org by Michael Thessel <mi...@gossamer-threads.com> on 2007/11/07 02:21:50 UTC

Sorting problem

Hi UG,

I just installed the latest nightly solr build
(1.2.2007.11.06.08.06.05). I get an exception when I do descending
relevancy sorting. Ascending relevancy sorting works fine and sorting
on all other fields as well.

http://localhost:8080/solr/select/?q=title%3Atest&sort=score%20desc

Nov 7, 2007 1:13:36 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
        at org.apache.solr.search.QParser.getSort(QParser.java:158)
        at org.apache.solr.search.OldLuceneQParser.getSort(LuceneQParserPlugin.java:124)
        at org.apache.solr.handler.StandardRequestHandler.handleRequestBody(StandardRequestHandler.java:85)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:117)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:811)
        at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:206)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:174)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
        at java.lang.Thread.run(Thread.java:595)

Nov 7, 2007 1:13:36 AM org.apache.solr.core.SolrCore execute
INFO: /select/ sort=score+desc&q=title:test 0 2
Nov 7, 2007 1:13:36 AM org.apache.solr.common.SolrException log
SEVERE: java.lang.NullPointerException
        at org.apache.solr.search.QParser.getSort(QParser.java:158)
        at org.apache.solr.search.OldLuceneQParser.getSort(LuceneQParserPlugin.java:124)
        at org.apache.solr.handler.StandardRequestHandler.handleRequestBody(StandardRequestHandler.java:85)
        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:117)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:811)
        at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:206)
        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:174)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
        at java.lang.Thread.run(Thread.java:595)

http://localhost:8080/solr/select/?q=title%3Atest&sort=score%20asc

Nov 7, 2007 1:13:42 AM org.apache.solr.core.SolrCore execute
INFO: /select/ sort=score+asc&q=title:test 0 17


Does anyone know what could be the problem?

Thanks,

Michael



-- 
Michael Thessel <mi...@gossamer-threads.com>
Gossamer Threads Inc. http://www.gossamer-threads.com/
Tel: (604) 687-5804 Fax: (604) 687-5806

Re: Sorting problem

Posted by Ryan McKinley <ry...@gmail.com>.
Yonik Seeley wrote:
> On 11/7/07, Ryan McKinley <ry...@gmail.com> wrote:
>> Yonik - do we want to keep this checking for 'null', or should we change
>> QueryParser.parseSort( ) to always return a valid sortSpec?
> 
> In Lucene, a null sort is not equal to "score desc"... they result in
> the same documents being returned, but the former takes a different
> code path and is faster.
> 

right, but solr QueryParsing.SortSpec holds a lucene Sort  -- in either 
case the lucene Sort object is null.

Since num & offset were added to SortSpec, it can't be null anymore (i 
don't think)

ryan

Re: Sorting problem

Posted by Yonik Seeley <yo...@apache.org>.
On 11/7/07, Ryan McKinley <ry...@gmail.com> wrote:
> Yonik - do we want to keep this checking for 'null', or should we change
> QueryParser.parseSort( ) to always return a valid sortSpec?

In Lucene, a null sort is not equal to "score desc"... they result in
the same documents being returned, but the former takes a different
code path and is faster.

-Yonik

Re: Sorting problem

Posted by Michael Thessel <mi...@gossamer-threads.com>.
> > Does anyone know what could be the problem?
> > 
> 
> looks like it was a problem in the new query parser.  I just fixed it
> in trunk:
> http://svn.apache.org/viewvc?view=rev&revision=592740

Thanks it works now.

Cheers,

Michael
-- 
Michael Thessel <mi...@gossamer-threads.com>
Gossamer Threads Inc. http://www.gossamer-threads.com/
Tel: (604) 687-5804 Fax: (604) 687-5806

Re: Sorting problem

Posted by Ryan McKinley <ry...@gmail.com>.
> 
> Does anyone know what could be the problem?
> 

looks like it was a problem in the new query parser.  I just fixed it in 
trunk:
http://svn.apache.org/viewvc?view=rev&revision=592740

Yonik - do we want to keep this checking for 'null', or should we change 
QueryParser.parseSort( ) to always return a valid sortSpec?

ryan