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Posted to dev@lucene.apache.org by "Yonik Seeley (JIRA)" <ji...@apache.org> on 2008/08/07 17:29:44 UTC
[jira] Updated: (LUCENE-1352) trailing escaped backslashes in
quoted queries cause parse error
[ https://issues.apache.org/jira/browse/LUCENE-1352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yonik Seeley updated LUCENE-1352:
---------------------------------
Description:
{noformat}
The QueryParser fails to parse queries that contain escaped backslashes followed
by a closing double-quote, then an opening double-quote (as part of another term).
For example, the query:
tagOrig:"testing\\" title:"titleTest"
will fail with the exception:
org.apache.lucene.queryParser.ParseException: Cannot parse 'tagOrig:"testing\\" title:"titleTest"': Lexical error at line 1, column 38. Encountered: <EOF> after : ""
at org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:155)
at org.apache.solr.search.LuceneQParser.parse(LuceneQParserPlugin.java:79)
After digging around, I found that 'QueryParserTokenManager:jjMoveNfa_3' is
generating - 'testing\\\" title:' as the token following the opening quote. It should
be generating 'testing\\'; it appears to see the first double-quote as being escaped
by the preceding slashes.
{noformat}
was:
The QueryParser fails to parse queries that contain escaped backslashes followed by a closing double-quote, then an opening double-quote (as part of another term).
For example, the query:
tagOrig:"testing\\" title:"titleTest"
will fail with the exception:
org.apache.lucene.queryParser.ParseException: Cannot parse 'tagOrig:"testing\\" title:"titleTest"': Lexical error at line 1, column 38. Encountered: <EOF> after : ""
at org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:155)
at org.apache.solr.search.LuceneQParser.parse(LuceneQParserPlugin.java:79)
After digging around, I found that 'QueryParserTokenManager:jjMoveNfa_3' is generating - 'testing\\\" title:' as the token following the opening quote. It should be generating 'testing\\'; it appears to see the first double-quote as being escaped by the preceding slashes.
> trailing escaped backslashes in quoted queries cause parse error
> ----------------------------------------------------------------
>
> Key: LUCENE-1352
> URL: https://issues.apache.org/jira/browse/LUCENE-1352
> Project: Lucene - Java
> Issue Type: Bug
> Components: QueryParser
> Affects Versions: 2.3.2
> Environment: Ubuntu 7.04, Sun JVM 1.5.0_1
> Reporter: Michael Dodsworth
>
> {noformat}
> The QueryParser fails to parse queries that contain escaped backslashes followed
> by a closing double-quote, then an opening double-quote (as part of another term).
> For example, the query:
> tagOrig:"testing\\" title:"titleTest"
> will fail with the exception:
> org.apache.lucene.queryParser.ParseException: Cannot parse 'tagOrig:"testing\\" title:"titleTest"': Lexical error at line 1, column 38. Encountered: <EOF> after : ""
> at org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:155)
> at org.apache.solr.search.LuceneQParser.parse(LuceneQParserPlugin.java:79)
> After digging around, I found that 'QueryParserTokenManager:jjMoveNfa_3' is
> generating - 'testing\\\" title:' as the token following the opening quote. It should
> be generating 'testing\\'; it appears to see the first double-quote as being escaped
> by the preceding slashes.
> {noformat}
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