Re: Verify java version when running jar file

Knute Johnson <>
Wed, 30 Apr 2008 21:48:34 -0700
Andrew Thompson wrote:

On May 1, 8:10 am, hust6 <> wrote:

...relies on Java 1.4.2, but some of the customers have
1.3. Is there anything that I can do in the Manifest or Java code to
catch this problem right away, so that the application can fail


I would appreciate any suggestions.

Java Web Start. Use the recently developed
'deployJava.js' for versioning from within an
installer 'web page' (on or offline), then
install/launch the app. using Java Web Start
(which can do fine grained versioning).

Or the way Knute suggested, but that would
involve cross-compilation options, and doing
something useful once 1.3 is detected..

Andrew T.

And why anybody is using 1.3 at this stage I don't know.


Knute Johnson
email s/nospam/linux/

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