Sure, here's a test case with the bug and the workaround.
-- m@
> can you provide a JUnit test that genertes the exception ... if it's
> coming from the parse call it should only require a 1 line test.
>
> : Date: Fri, 12 Aug 2005 10:29:41 -0700 (PDT)
> : From: Matt Magoffin <[EMAIL PROTECTED]>
> : Reply-To: java-user@lucene.apache.org
> : To: java-user@lucene.apache.org
> : Subject: Re: QueryParser exception on escaped backslash preceding )
> : character
> :
> : The strings are not coming from Java literals, actually, so I didn't
> think
> : that was the problem.
> :
> : Any other thoughts?
> :
> : -- m@
> :
> : > I think you are encountering a "double escape" problem in java
> literals.
> : > QP is seeing a backslash in front of the ) and waiting for you to
> finish
> : > the paren grouping.
> : >
> : > how are you passing that string to the QP, is it embedded in your java
> : > code? if so the java compiler is interpreting your \\ and your java
> app
> : > is never seeing it.
> : >
> : > : Date: Fri, 12 Aug 2005 07:30:19 -0700 (PDT)
> : > : From: Matt Magoffin <[EMAIL PROTECTED]>
> : > : Reply-To: java-user@lucene.apache.org
> : > : To: java-user@lucene.apache.org
> : > : Subject: QueryParser exception on escaped backslash preceding )
> : > character
> : > :
> : > : When I try to parse a query with an escaped backslash character like
> : > this
> : > : (using Lucene 1.4.3):
> : > :
> : > : -id:20677 +(addr:Street143 AND zip:\\)
> : > :
> : > : the QueryParser thows an Exception:
> : > :
> : > : Encountered "<EOF>" at line 1, column 289.
> : > : Was expecting one of: <AND> ... <OR> ...
> : > : <NOT> ... "+" ... "-" ... "(" ... ")" ... "^"
> ...
> : > : <QUOTED> ... <TERM> ...
> : > : <PREFIXTERM> ... <WILDTERM> ... "[" ...
> : > : "{" ... <NUMBER> ...
> : > :
> : > : However, if I insert a space between the backslash and the
> parenthesis:
> : > :
> : > : -id:20677 +(addr:Street143 AND zip:\\ )
> : > :
> : > : it works. Is this expected behavior or perhaps a bug in the
> QueryParser?
> : > :
> : > : -- m@
> : > :
> : > :
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> : > :
> : >
> : >
> : >
> : > -Hoss
> : >
> : >
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> : >
> : >
> :
> :
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> :
>
>
>
> -Hoss
>
>
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