[Live-demo] Where should JAVA_HOME be set (if overriding default=openjdk 1.7)?

Hamish hamish_b at yahoo.com
Sun Jan 15 18:33:38 EST 2012


edgar wrote:
> does the osgeo live-dvd set a JAVA_HOME env var?
> if yes where?

in /etc/profile.d/ and /home/user/.profile

> the switcher would have to change it.

just the value in ~/.profile should be changed, and
<2 cents>
the more I think about it, in my humble opinion
that should be left to the power-users doing the
beta testing to uncomment or re-comment as they see
fit. (and if they have a problem editing text files
then it is in their interest and ours for them to
learn, & fast)  a script to change that auto-
matically (as nice as it may be) is still basically
over-engineering the issue and adding unneeded
layers of complication: Keep It Simple and Stupid.
</2 cents>

wrt system wide, debian already provides the
`update-alternatives` method of switching; any
attempt to circumvent or reinvent that is destined
to make things more complicated and fragile, and
we ignore that already-invented and already used-
for-java wheel at our peril.


fwiw--

the included `gxmessage` program can be used to
make quick and nice GUI frontends for a scripts,
perhaps even with radio buttons.

Ubuntu 12.04 will ship openjdk-7 natively so
this is just for this 5.5 interim release.

openjdk7 is symlinked to the ubuntu-expected name
of /usr/lib/jvm/java-7-sun

any desktop icon used for beta testing would be
removed in the final 5.5 release.

see also http://brunoreis.com/tech/intalling-java-ubuntu-natty/

run-time scripts (as opposed to build-time scripts)
should go into gisvm/trunk/app-conf/java/ and
be copied into /usr/local/bin/ by the bin/install_*
script.


thanks,
Hamish


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