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From "Daniel Truemper (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-4103) AnalyzerQueryNodeProcessor throws a class cast exception with the RegexpQueryNode
Date Mon, 04 Jun 2012 15:51:23 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-4103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Truemper updated LUCENE-4103:
------------------------------------

    Component/s:     (was: core/queryparser)
                 modules/queryparser
    
> AnalyzerQueryNodeProcessor throws a class cast exception with the RegexpQueryNode
> ---------------------------------------------------------------------------------
>
>                 Key: LUCENE-4103
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4103
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: modules/queryparser
>    Affects Versions: 4.0
>            Reporter: Daniel Truemper
>            Priority: Minor
>             Fix For: 4.0
>
>         Attachments: 0001-Fix-for-the-flexible-regexp-parsing.patch
>
>
> When using the flexible query parser with the regular expression syntax the processing
pipeline fails with the following class cast exception:
> {noformat}
> java.lang.ClassCastException: org.apache.lucene.queryparser.flexible.standard.nodes.RegexpQueryNode
cannot be cast to org.apache.lucene.queryparser.flexible.core.nodes.FieldQueryNode
> 	at __randomizedtesting.SeedInfo.seed([34AF003D9388DF45:CB5F8BB4EE483FEE]:0)
> 	at org.apache.lucene.queryparser.flexible.standard.processors.AnalyzerQueryNodeProcessor.postProcessNode(AnalyzerQueryNodeProcessor.java:114)
> {noformat}
> A very simple patch is attached that will simply add the RegexpQueryNode to the nodes
that should not get processed by the AnalyzerQueryNodeProcessor. I think this means that the
regular expression is not analyzed, which should be ok!?

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