On Mon, 21 Jul 2008 13:54:32 +0000, "Alex Bennee" <[EMAIL PROTECTED]>
said:
> However the runjava script prefers to set-up the configuration in
> $opennms_home/etc/java.conf which is not where the init script looks.
> I'm assuming the use of runjava in the postinst script was intended so
> should I just make runjava debian aware?
No, the idea is that the opennms startup script and its dependencies,
including runjava, have as little OS, platform, or distribution
specificity as possible. This makes them less brittle and makes testing
easier. Secondarily, and almost more critically, I wanted the opennms
startup script to be as deterministic as possible--that is, acting the
same way as possible regardless of external conditions when it was
invoked, such as the JAVA_HOME that is set. "Back in the day," it was
somewhat common for the startup script to choose different JVMs
depending on the environment when you called it, and this made debugging
a major PITA, let alone not being reliable.
We need to have some way to let the user specify the version of Java to
use and since there might be a number of JVMs installed in various
locations. Depending on how the opennms startup script is invoked (did
the user login as root, "su" to root, "sudo -s" to root, use "sudo
/etc/init.d/opennms", etc.?) and various critical environment variables
(e.g.: JAVA_HOME) might be set in various circumstances, when I cleaned
up the startup script I made it use one and only one JVM--the one that
is specified in OpenNMS' java.conf file, which is configured at install
time by "runjava".
Now, I have relatively little clue about how the Debian stuff is done,
so I'll leave that for the Debian experts. :-)
- djg
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