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From "Dennis Lundberg (JIRA)" <>
Subject [jira] Moved: (COMPRESS-44) mark jars as executable archives on Solaris
Date Mon, 23 Mar 2009 22:19:55 GMT


Dennis Lundberg moved SANDBOX-289 to COMPRESS-44:

    Component/s:     (was: Compress)
            Key: COMPRESS-44  (was: SANDBOX-289)
        Project: Commons Compress  (was: Commons Sandbox)

> mark jars as executable archives on Solaris
> -------------------------------------------
>                 Key: COMPRESS-44
>                 URL:
>             Project: Commons Compress
>          Issue Type: Improvement
>            Reporter: Stefan Bodewig
>            Assignee: Stefan Bodewig
>            Priority: Minor
> Solaris contains some special code which allows people to mark jar
> files executable and run them as if they were native commands.  It
> will only work for jars that contain the sequence 0xCAFE (in
> big-endian order) somewhere at the beginning, which is achieved by
> adding an extra field with that header id.
> See <>
> This is the already existing JarMarker extra field in compress.
> Ant's <jar> task adds this extra field to the META-INF directory
> because it knows this is always going to be the very first entry for
> Ant created jars.
> I propose to modify JarArchiveOutputStream to add a JarMarker extra
> field to the very first entry written to the stream.

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