Combined usage of Synonyms/SpellChecker causes java.lang.NullPointerException,
when searching for a word out of synonyms.txt
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Key: SOLR-2504
URL: https://issues.apache.org/jira/browse/SOLR-2504
Project: Solr
Issue Type: Bug
Components: clients - java, spellchecker
Affects Versions: 3.1
Reporter: Jens Bertheau
Fix For: 1.4
After migrating from 1.4 to 3.1 we experience the following behaviour:
When SpellChecking is turned off, everything works fine.
When Synonyms are *not* being used, everything works fine.
When both, SpellChecking and Synonyms, are being used and a search is
triggered, that contains at least one of the words out of synonyms.txt the
following error is thrown:
java.lang.NullPointerException at
org.apache.lucene.util.AttributeSource.cloneAttributes(AttributeSource.java:470)
at
org.apache.lucene.analysis.synonym.SynonymFilter.incrementToken(SynonymFilter.java:128)
at
org.apache.lucene.analysis.core.StopFilter.incrementToken(StopFilter.java:260)
at
org.apache.lucene.analysis.miscellaneous.WordDelimiterFilter.incrementToken(WordDelimiterFilter.java:336)
at
org.apache.lucene.analysis.core.LowerCaseFilter.incrementToken(LowerCaseFilter.java:62)
at
org.apache.solr.handler.component.SpellCheckComponent.getTokens(SpellCheckComponent.java:380)
at
org.apache.solr.handler.component.SpellCheckComponent.process(SpellCheckComponent.java:127)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:203)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1323)
at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:337)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:240)
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:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
The problem has been described already here:
http://osdir.com/ml/solr-user.lucene.apache.org/2010-09/msg00945.html
I have a report of a third person, experiencing the same problem.
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