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Date:      Mon, 07 May 2012 14:16:33 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Greg Lewis <glewis@eyesbeyond.com>
Cc:        freebsd-java@FreeBSD.org
Subject:   Re: Fwd: cvs commit: ports/java/openjdk6 Makefile ports/java/openjdk6/files patch-ZoneInfoFile.java
Message-ID:  <4FA7AF11.6060108@FreeBSD.org>
In-Reply-To: <20120502064955.GA35530@misty.eyesbeyond.com>
References:  <20120502064955.GA35530@misty.eyesbeyond.com>

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on 02/05/2012 09:49 Greg Lewis said the following:
> FYI.
> 
> I'm going to let this bake for a couple of days in openjdk6.  This fixed
> the problems I could reproduce with building eclipse.  Please let me know
> if you see any time zone related weirdness.  If not I'll also apply the
> patch to the other source ports (jdk15, jdk16 and openjdk7).

Greg,

thank you very much for this fix!

> ----- Forwarded message from Greg Lewis <glewis@freebsd.org> -----
> 
> Date: Wed, 2 May 2012 06:13:16 +0000 (UTC)
> From: Greg Lewis <glewis@freebsd.org>
> To: ports-committers@freebsd.org, cvs-ports@freebsd.org, cvs-all@freebsd.org
> Subject: cvs commit: ports/java/openjdk6 Makefile ports/java/openjdk6/files
> 	patch-ZoneInfoFile.java
> 
> glewis      2012-05-02 06:13:16 UTC
> 
>   FreeBSD ports repository
> 
>   Modified files:
>     java/openjdk6        Makefile 
>   Added files:
>     java/openjdk6/files  patch-ZoneInfoFile.java 
>   Log:
>   . Fix the look up of time zone data when TZUPDATE is turned on and as a
>     result turn it on by default again.  This change bears a little more
>     explanation.
>   
>     In UnixFileSystem.java there is a cache of canonical paths and in
>     particular one for paths inside java.home.  The problem with looking
>     up time zone data is that if another path within java.home has been
>     looked up then the symlink for the time zone data is not resolved
>     (since the cache assumes there are no symlinks in java.home) and we fail
>     to be able to open the ZoneInfoMapping file.
>   
>     One of the other features in UnixFileSystem is that the cache is not
>     consulted and full resolution occurs for paths containing "." or "..".
>     I've chosen to (ab)use this to force resolution of the time zone data
>     directory in ZoneInfoFile.java rather than doing something like IcedTea
>     did which was to introduce a tz.properties file where they would stash
>     the time zone info directory rather than symlinking it in.  For full
>     reference that patch is here:
>   
>     http://icedtea.classpath.org/hg/icedtea6/file/tip/patches/use-system-tzdata.patch
>   
>     There are two main reasons I chose a bit of a hack rather than something
>     like this.
>   
>     1. I want to apply the patch to non-GPL'ed code (e.g. the jdk16 port).
>     2. Using updated time zone data is only an option in the port and using
>        something like tz.properties when the option is off is clunky.
>   
>     Thanks to avg@ for sleuth work on finding the bug write up and the
>     IcedTea fix.
>   
>   Revision  Changes    Path
>   1.60      +2 -2      ports/java/openjdk6/Makefile
>   1.1       +14 -0     ports/java/openjdk6/files/patch-ZoneInfoFile.java (new)
> 
> http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/java/openjdk6/Makefile.diff?&r1=1.59&r2=1.60&f=h
> http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/java/openjdk6/files/patch-ZoneInfoFile.java
> 
> ----- End forwarded message -----
> 


-- 
Andriy Gapon



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