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Posted to dev@lucene.apache.org by "Grant Ingersoll (JIRA)" <ji...@apache.org> on 2008/01/18 22:04:34 UTC
[jira] Updated: (LUCENE-1140) NPE in StopFilter caused by
StandardAnalyzer(boolean replaceInvalidAcronym) constructor
[ https://issues.apache.org/jira/browse/LUCENE-1140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Grant Ingersoll updated LUCENE-1140:
------------------------------------
Priority: Blocker (was: Major)
Fix Version/s: 2.3
Argh, yep. Stupid me. Didn't create the default Stop Set. I'm on it.
> NPE in StopFilter caused by StandardAnalyzer(boolean replaceInvalidAcronym) constructor
> ---------------------------------------------------------------------------------------
>
> Key: LUCENE-1140
> URL: https://issues.apache.org/jira/browse/LUCENE-1140
> Project: Lucene - Java
> Issue Type: Bug
> Components: Analysis
> Affects Versions: 2.3
> Reporter: Alexei Dets
> Assignee: Grant Ingersoll
> Priority: Blocker
> Fix For: 2.3
>
>
> I think that I found a problem with the new code (https://issues.apache.org/jira/browse/LUCENE-1068).
> Usage of the new constructor StandardAnalyzer(boolean replaceInvalidAcronym) causes NPE in
> StopFilter:
> java.lang.NullPointerException
> at org.apache.lucene.analysis.StopFilter.<init>(StopFilter.java:74)
> at org.apache.lucene.analysis.StopFilter.<init>(StopFilter.java:86)
> at
> org.apache.lucene.analysis.standard.StandardAnalyzer.tokenStream(StandardAnalyzer.java:151)
> at
> org.apache.lucene.queryParser.QueryParser.getFieldQuery(QueryParser.java:452)
> at
> org.apache.lucene.queryParser.QueryParser.Term(QueryParser.java:1133)
> at
> org.apache.lucene.queryParser.QueryParser.Clause(QueryParser.java:1020)
> at
> org.apache.lucene.queryParser.QueryParser.Query(QueryParser.java:948)
> at
> org.apache.lucene.queryParser.QueryParser.Clause(QueryParser.java:1024)
> at
> org.apache.lucene.queryParser.QueryParser.Query(QueryParser.java:948)
> at
> org.apache.lucene.queryParser.QueryParser.TopLevelQuery(QueryParser.java:937)
> at
> org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:147)
> The reason is that new constructor forgets to initialize the stopSet field:
> public StandardAnalyzer(boolean replaceInvalidAcronym) {
> this.replaceInvalidAcronym = replaceInvalidAcronym;
> }
> I guess this should be changed to something like this:
> public StandardAnalyzer(boolean replaceInvalidAcronym) {
> this(STOP_WORDS);
> this.replaceInvalidAcronym = replaceInvalidAcronym;
> }
> The bug is present in RC3. Fix is one line, it'll be great to have it in 2.3
> release.
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