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https://issues.apache.org/jira/browse/LUCENE-4103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Truemper updated LUCENE-4103:
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Attachment: LUCENE-4103.patch
More sane test case in the TestQPHelper
> 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,
> LUCENE-4103.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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