Goal: Increased Modularity?

[Thomas Fitzsimmons]

Richi Plana wrote:
> On Wed, 2007-09-05 at 21:29 +0200, Nicolas Mailhot wrote:
>> Le mercredi 05 septembre 2007 à 12:33 -0500, Les Mikesell a écrit :
>>> Nicolas Mailhot wrote:
>>>
>>>>>> I want to know the correct JAVA_HOME and PATH settings for all the 
>>>>>> possible JVMs when they are installed as alternatives-conforming RPM 
>>>>>> packages but are not the system default.  Is this documented somewhere?
>>> So, where do I find the answer to the question above regarding the 
>>> correct JAVA_HOME and PATH to use a JVM that is not the system default?
>> If the question is "what is the list of the roots of all the possible
>> VMs that may be released for Linux and packaged using jpp conventions"
> 
> Well, one method (and this isn't official AFAIK) is to run "alternatives
> --config java" or "alternatives --config javac" and that should give you
> a starting point for figuring out the list of JAVA_HOME paths for
> packages installed that are blessed by JPackage (or was it Fedora? since
> I'm not sure where alternatives support was introduced).

Another method of querying and selecting blessed JPackage alternatives is 
system-switch-java.  It simplifies selection because it switches all relevant 
master links (java, javac, plugin) to the selected vendor/version 
implementations.  Try:

yum install system-switch-java

Tom