[jira] Commented: (SOLR-161) Dangling dash causes stack trace

["Hoss Man (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12473580 ] 

Hoss Man commented on SOLR-161:
-------------------------------

Hmm... yeah, that's the trade off of DisMax respecting + and - as special characters and not escaping them.

I guess we should add some preprocessing rules to deal with this ... i wonder if maybe we should just allow a regex to be specified in the init params for letting users strip arbitrary patterns.

Hmm... should a regex like that be applied before or after the call to partialEscape?

> Dangling dash causes stack trace
> --------------------------------
>
>                 Key: SOLR-161
>                 URL: https://issues.apache.org/jira/browse/SOLR-161
>             Project: Solr
>          Issue Type: Bug
>          Components: search
>    Affects Versions: 1.1.0
>         Environment: Java 1.5, Tomcat 5.5.17, Fedora Core 4, Intel
>            Reporter: Walter Underwood
>
> I'm running tests from our search logs, and we have a query that ends in a dash. That caused a stack trace.
> org.apache.lucene.queryParser.ParseException: Cannot parse 'digging for the truth -': Encountered "<EOF>" at line 1, column 23.
> Was expecting one of:
>     "(" ...
>     <QUOTED> ...
>     <TERM> ...
>     <PREFIXTERM> ...
>     <WILDTERM> ...
>     "[" ...
>     "{" ...
>     <NUMBER> ...
>     
> 	at org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:127)
> 	at org.apache.solr.request.DisMaxRequestHandler.handleRequest(DisMaxRequestHandler.java:272)
> 	at org.apache.solr.core.SolrCore.execute(SolrCore.java:595)
> 	at org.apache.solr.servlet.SolrServlet.doGet(SolrServlet.java:92)

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