Need reviewers and comments: 6989472: Provide simple jdk identification information in the install image
Dr Andrew John Hughes
ahughes at redhat.com
Thu Dec 23 00:42:59 UTC 2010
On 14:19 Wed 22 Dec , Kelly O'Hair wrote:
> On Dec 22, 2010, at 9:09 AM, Dr Andrew John Hughes wrote:
> > On 16:29 Tue 21 Dec , Kelly O'Hair wrote:
> >> I'm back with another stab at a webrev and modified proposal.
> >> 6989472: Provide simple jdk identification information in the install
> >> image
> >> http://cr.openjdk.java.net/~ohair/openjdk7/jdk7-build-eclipse/webrev/
> >> The above change creates a small text file called "release" at the
> >> top
> >> of the
> >> jdk or jre install image with some very basic values about that
> >> install image.
> >> For example, on Solaris 10 X86 the file would contain the 4 lines:
> >> JAVA_VERSION="1.7.0"
> >> OS_NAME="SunOS"
> >> OS_VERSION="5.10"
> >> OS_ARCH="i586"
> >> They are not properties and don't look like properties.
> > But they are available as system properties already; os.arch,
> > os.name, os.version and java.version.
> > So why do you need this file?
> To do sanity checks on jdk images before you try and run them.
Ah so, for example, you'd parse this, say 'hey we're actually running
on GNU/Linux' and not use it? Sounds like it could be useful in some
circumstances, but I think the HotSpot solution you mention below will
be more generally applicable. Are you planning to look at this too?
> >> It doesn't contain trademark names or company names.
> >> It unfortunately does not identify the specific VM, but it does
> >> provide some basic
> >> information about what the jdk image is and where it can be used.
> >> To solve the original Eclipse issue really requires a similar file
> >> delivered by the
> >> VMs shipped with the JDK. That will need to be pursued with a
> >> different CR.
> >> -kto
> > --
> > Andrew :)
> > Free Java Software Engineer
> > Red Hat, Inc. (http://www.redhat.com)
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Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)
Support Free Java!
Contribute to GNU Classpath and IcedTea
PGP Key: 94EFD9D8 (http://subkeys.pgp.net)
Fingerprint = F8EF F1EA 401E 2E60 15FA 7927 142C 2591 94EF D9D8
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