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From Paul Elschot <paul.elsc...@xs4all.nl>
Subject Re: toomanyclauses exception
Date Wed, 27 Dec 2006 14:59:15 GMT
Chris,

On Wednesday 27 December 2006 15:42, Chris Salem wrote:
> Hi All,
> 
> I'm getting a 'TooManyClauses' Exception and I'm not sure how to fix this.  
Here's a sample query that I'm using:
> 
> +(+freeform_text:exhibit* +(+freeform_text:dispaly +freeform_text:event*) 
+(+freeform_text:sale* +freeform_text:sells +freeform_text:develop*) 
+(+freeform_text:trade +freeform_text:show +freeform_text:trade 
+freeform_text:shows)) +degree_type:5 +position_desired:ftp 
+city:washington~0.5 +state:dc +ncountry:usa +last_modified:[2005-12-26 TO 
2006-12-26]
> 
> Here's the exception I'm getting:
> 
> org.apache.lucene.search.BooleanQuery$TooManyClauses
>  at org.apache.lucene.search.BooleanQuery.add(BooleanQuery.java:160)
>  at org.apache.lucene.search.BooleanQuery.add(BooleanQuery.java:151)
>  at org.apache.lucene.search.PrefixQuery.rewrite(PrefixQuery.java:52)

One of the prefix queries is causing this, possibly event* or sale*.
Since they seem to be specific enough, increasing the maximum number
of boolean clauses that can be added to a boolean query appears to be
the good way to fix this, see BooleanQuery.setMaxClauseCount().

Regards,
Paul Elschot

>  at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:372)
>  at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:372)
>  at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:372)
>  at org.apache.lucene.search.IndexSearcher.rewrite(IndexSearcher.java:137)
>  at org.apache.lucene.search.Query.weight(Query.java:93)
>  at org.apache.lucene.search.Hits.<init>(Hits.java:41)
>  at org.apache.lucene.search.Searcher.search(Searcher.java:44)
>  at org.apache.lucene.search.Searcher.search(Searcher.java:36)
>  at 
net.mainsequence.pcr.lucene.LuceneHandler.multiSearch(LuceneHandler.java:382)
>  at 
net.mainsequence.pcr.lucene.LuceneServlet.searchIndex(LuceneServlet.java:169)
>  at 
net.mainsequence.pcr.lucene.LuceneServlet.processRequest(LuceneServlet.java:83)
>  at net.mainsequence.pcr.lucene.LuceneServlet.doPost(LuceneServlet.java:72)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>  at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
>  at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>  at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
>  at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
>  at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
>  at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
>  at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
>  at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
>  at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
>  at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
>  at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
>  at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
>  at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
>  at java.lang.Thread.run(Unknown Source)
> 
> Is there anyway to increase the amount of clauses lucene can take?  This 
kind of large query is not uncommon so any help would be greatly appreciated.
> 
> 
> Chris Salem
> 440.946.5214 x5458
> chris@mainsequence.net 
> 
> (The following links were included with this email:)
> mailto:chris@mainsequence.net
> 
> 
> 
> (The following links were included with this email:)
> mailto:chris@mainsequence.net
> 
> 
> 

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