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http://jira.codehaus.org/browse/MJAVACC-35?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_118411
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Benjamin Bentmann commented on MJAVACC-35:
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MJAVACC-38 should not have solved this issue since its patch lacks the
directory comparison that Tim's patch is all about.
>From Tim's original description, "zero byte size files", it seems like
>PLXUTILS-10 was the cause. This has been fixed in SVN at 2007-08-21 and the
>plugin uses plexus-utils-1.4.9 which dates from 2007-12-19 (see
>[repo|http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-utils/]).
I am not sure whether the updated plexus-utils suffices or whether the plugin
itself should additionally perform the directory-equal-check as proposed by
Tim. Maybe Tim could provide a simple test project to demonstrate the
problematic setup to see how the plugin handles it.
> If input and output directory are equal then input files are emptied
> --------------------------------------------------------------------
>
> Key: MJAVACC-35
> URL: http://jira.codehaus.org/browse/MJAVACC-35
> Project: Maven 2.x JavaCC Plugin
> Issue Type: Bug
> Affects Versions: 2.2
> Environment: WinXP
> Reporter: Tim Pizey
> Fix For: 2.3
>
> Attachments: JavaCCMojo.patch
>
>
> If the inputDirectory is the same as the outputDirectory, a situation which
> no doubt should not happen, but has to in javacc itself,
> then the input files are replaced with zero byte size files.
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