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From "Dzmitry Kazimirchyk (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAY-1799) ROP: Server can't deserialize LIKE expression with pattern already compiled
Date Fri, 22 Feb 2013 10:02:12 GMT

    [ https://issues.apache.org/jira/browse/CAY-1799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13584131#comment-13584131
] 

Dzmitry Kazimirchyk commented on CAY-1799:
------------------------------------------

I think what we need here is to make PatternMatchNode.pattern and PatternMatchNode.patternCompiled
transient. Server will recompile expression's pattern again if it will need to.
                
> ROP: Server can't deserialize LIKE expression with pattern already compiled
> ---------------------------------------------------------------------------
>
>                 Key: CAY-1799
>                 URL: https://issues.apache.org/jira/browse/CAY-1799
>             Project: Cayenne
>          Issue Type: Bug
>          Components: ROP
>    Affects Versions: 3.1B2
>            Reporter: Dzmitry Kazimirchyk
>
> When query qualifier contains LIKE expression with pattern already precompiled (for instance
expression.filterObjects() was used before performing query) hessian deserializer on server
side will throw following exception:
> com.caucho.hessian.io.HessianFieldException: org.apache.cayenne.exp.parser.PatternMatchNode.pattern:
'java.util.regex.Pattern' could not be instantiated

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