[jira] Commented: (XALANJ-1243) java.lang.StackOverflowError in XString.equals()

["Brian Minchau (JIRA)" <xa...@xml.apache.org>]

    [ https://issues.apache.org/jira/browse/XALANJ-1243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12522838 ] 

Brian Minchau commented on XALANJ-1243:
---------------------------------------

I have reviewed Henry Zongaro's patch an approve it.

> java.lang.StackOverflowError in XString.equals()
> ------------------------------------------------
>
>                 Key: XALANJ-1243
>                 URL: https://issues.apache.org/jira/browse/XALANJ-1243
>             Project: XalanJ2
>          Issue Type: Bug
>          Components: XPath
>    Affects Versions: 2.4Dx
>         Environment: Operating System: Solaris
> Platform: Sun
>            Reporter: Wolfram
>            Assignee: Henry Zongaro
>         Attachments: 1.xml, 1.xsl, patch.j1243.txt, xalan-stack-overflow.zip
>
>
> In some special cases I get a StackOverflowError in method equals(XMLString), 
> line #444 [ if (!obj2.hasString()) return obj2.equals(this); ]
> I think this can occur if to XStringForChars-objects are compared, and both
> objects haven't been used before. Than the hasString()-method of
> XStringForChars returns false for both, resulting in an endless loop.
> I patched XStringForChars method hasString() to return always true,
> which works for me.
> Don't know if this is the right way to solve this bug.

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