On Sat, Dec 26, 2009 at 12:41 AM, Les Mikesell <lesmikesell@xxxxxxxxx> wrote:
m.roth@xxxxxxxxx wrote:You don't need to switch. You can have as many java versions as you want
>> m.roth@xxxxxxxxx wrote:
>>> We've got a developer here who needs to use both java and openjdk. I was
>>> giving her sudo for alternatives, but my manager would prefer that I
>>> look into environment-modules. I've installed it, and I see it comes with
>>> configurations for cvs and info... but nothing for java, and the man
>>> pages doesn't seem to offer info on creating one.
>>>
>>> Does anyone have a pointer to a howto, or maybe even a sample one?
>> install openjdk uia standard centos 5.x rpms, install Sun Java to
>> /usr/java/jdk-whatever via the Sun tarball.
>
> Already did that (btw, Sun doesn't give you a tarball, they give you a
> self-extracting .bin).
>> if you put /usr/java/jdk-whatever/bin first in the path, you'll be using
>> the Sun java. if you take it out of the path, you will be using the
>> default distribution openjdk.
>
> I'm trying to provide a simple method for switching between the two, and I
> don't have any guarantee that someone *other* than this developer, who
> seems knowledgeable, will have to do the same thing.
>
> I reiterate: does anyone have any examples for a modulefile for java?
installed. Just export JAVA_HOME pointing to the one you want and either put
the location of the binary you want first in PATH or give the full path in the
command to start up. Anyone who works with java will already know this. It is
rpm that has a problem dealing with multiple versions of things running
concurrently.
--
Les Mikesell
lesmikesell@xxxxxxxxx
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