On 5/13/2011 2:17 AM, Omair Majid wrote:
On 05/12/2011 03:39 AM, Masayoshi Okutsu wrote:
On 5/12/2011 5:07 AM, Omair Majid wrote:
Hi,

Andrew John Hughes<gnu_andrew@...> writes:
When distros update their timezone data, the data used by OpenJDK also
needs to be updated. At present, this is difficult as OpenJDK uses a
hardcoded path (${java.home}/jre/lib/zi} for timezone data with no
option to override it.

A bug was filed for this issue back in 2007 and there was some
discussion on the mailing lists:

http://mail.openjdk.java.net/pipermail/i18n-dev/2007-August/000001.html

but no patch was committed.

I've updated the patch and provide a revised version in this webrev:

http://cr.openjdk.java.net/~andrew/6593486/webrev.01/jdk.patch

Is it ok to commit this to swing-gate?

Does anyone have any thoughts about this? We have been carrying this
custom
patch in IcedTea for a few years now. It would be great if other
projects/platforms/architectures could make use of this.

Andrew and I discussed his patch proposal *and* an alternative way to do
the same thing, use of a symlink (i.e., ${java.home}/jre/lib/zi ->
/usr/share/javazi). IIRC, he was supposed to evaluate the symlink
approach. But I don't think I've heard back from him.

I still prefer to use a symlink rather than introducing yet another
property.


Are symlinks supported on all platforms?

Probably not. I'd expect the evaluation addresses that issue as well.

I see that Windows versions before Vista did not have good support for symlinks [1]. I, and probably others, would like to see this patch in OpenJDK6 too.

Oracle (Sun) has been supporting the platform-neutral way (tzupdater tool) to update time zone data of installed JREs. I'd rather prefer to develop a common mechanism, such as a tool or Timezone Service Protocol support, to update time zone data of installed OpenJDKs.

Thanks,
Masayoshi



Thanks,
Omair

[1] http://en.wikipedia.org/wiki/Symbolic_link#Windows_7_.26_Vista_symbolic_link

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