SUNScholar/Prepare Ubuntu/S03

Step 3. Install Java Software Dependencies

Please ensure you have enabled the Ubuntu partner repositories before continuing.

Step 3.1: Install SUN Java 6 Run Time

Type as follows:

sudo apt-get install sun-java6-jre sun-java6-jdk

Afterwards make it available system wide:

sudo update-java-alternatives -v -s java-6-sun

The screen output should be something like the following.

resetting java alternatives
update-alternatives: using /usr/bin/gij-4.4 to provide /usr/bin/java (java) in auto mode.
update-alternatives: using /usr/bin/gkeytool-4.4 to provide /usr/bin/keytool (keytool) in auto mode.
update-alternatives: error: no alternatives for mozilla-javaplugin.so.
update-alternatives: using /usr/bin/gorbd-4.4 to provide /usr/bin/orbd (orbd) in auto mode.
update-alternatives: using /usr/bin/grmid-4.4 to provide /usr/bin/rmid (rmid) in auto mode.
update-alternatives: using /usr/bin/grmiregistry-4.4 to provide /usr/bin/rmiregistry (rmiregistry) in auto mode.
update-alternatives: error: no alternatives for xulrunner-1.9-javaplugin.so.
update-alternatives: using /usr/lib/jvm/java-6-sun/jre/bin/java to provide /usr/bin/java (java) in manual mode.
update-alternatives: using /usr/lib/jvm/java-6-sun/jre/bin/keytool to provide /usr/bin/keytool (keytool) in manual mode.
update-alternatives: using /usr/lib/jvm/java-6-sun/jre/bin/orbd to provide /usr/bin/orbd (orbd) in manual mode.
update-alternatives: using /usr/lib/jvm/java-6-sun/jre/bin/rmid to provide /usr/bin/rmid (rmid) in manual mode.
update-alternatives: using /usr/lib/jvm/java-6-sun/jre/bin/rmiregistry to provide /usr/bin/rmiregistry (rmiregistry) in manual mode.
update-alternatives: error: no alternatives for mozilla-javaplugin.so.
update-alternatives: error: no alternatives for xulrunner-1.9-javaplugin.so.

Note. Do not worry about error messages as long as the main "java" link is ok.

Check the alternative by typing as follows:

sudo update-java-alternatives -l

You should get the following

java-6-sun 63 /usr/lib/jvm/java-6-sun

Step 3.2: Install Java Ant Compiler

Type as follows:

sudo apt-get install ant ant-optional

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