I don't know if this is much use, but here's the command I used to add
the Sun JDK to alternatives after I installed the RPM (look out for line
wrap):
alternatives \
--install /usr/bin/java java /usr/java/jdk1.5.0_04/jre/bin/java 10 \
--slave /usr/bin/rmiregistry rmiregistry \
/usr/java/jdk1.5.0_04/jre/bin/rmiregistry \
--slave /usr/lib/jvm/jre jre /usr/java/jdk1.5.0_04/jre
This sets all of the slaves except jre_exports, which I could not seem
to find in the Sun JDK. Anybody got any ideas on what this should
actually point to?
Anyway, I then used the command 'alternatives --set java
/usr/java/jdk1.5.0_04/jre/bin/java' to switch over to using the Sun
Java. Heres what the alternatives output looks like afterwards:
[root at jaybird ~]# alternatives --display java
java - status is manual.
link currently points to /usr/java/jdk1.5.0_04/jre/bin/java
/usr/lib/jvm/jre-1.4.2-gcj/bin/java - priority 1420
slave rmiregistry: /usr/lib/jvm/jre-1.4.2-gcj/bin/rmiregistry
slave jre_exports: /usr/lib/jvm-exports/jre-1.4.2-gcj
slave jre: /usr/lib/jvm/jre-1.4.2-gcj
/usr/java/jdk1.5.0_04/jre/bin/java - priority 10
slave rmiregistry: /usr/java/jdk1.5.0_04/jre/bin/rmiregistry
slave jre_exports: (null)
slave jre: /usr/java/jdk1.5.0_04/jre
Current `best' version is /usr/lib/jvm/jre-1.4.2-gcj/bin/java.
[root at jaybird ~]# java -version
java version "1.5.0_04"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_04-b05)
Java HotSpot(TM) Client VM (build 1.5.0_04-b05, mixed mode, sharing)
The reason the GCJ version shows up as the 'best' is because it has a
higher priority (1420) than the Sun version (10). Just change the
priority in the 'alternatives --install' command listed above to
something higher than 1420 and the Sun version will become the 'best'
version.
Just my $.02.
--
Jay Leafey - Memphis, TN
jay.leafey at mindless.com
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