Is there a way to update all Java related alternatives?

Posted by James McMahon on Ask Ubuntu See other posts from Ask Ubuntu or by James McMahon
Published on 2012-05-24T19:37:45Z Indexed on 2012/10/11 15:49 UTC
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Is there a way to quickly switch over all the Java related alternatives using update-alternatives?

For instance, if want to switch Java over to 7, I run sudo update-alternatives --config java and select the Java 7 OpenJdk. But if I run update-alternatives --get-selections | grep java I get the following,

appletviewer                   auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/appletviewer
extcheck                       auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/extcheck
idlj                           auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/idlj
itweb-settings                 auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/itweb-settings
jar                            auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jar
jarsigner                      auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jarsigner
java                           manual   /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java
javac                          auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/javac
javadoc                        auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/javadoc
javah                          auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/javah
javap                          auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/javap
javaws                         auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/javaws
jconsole                       auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jconsole
jdb                            auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jdb
jexec                          auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/lib/jexec
jhat                           auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jhat
jinfo                          auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jinfo
jmap                           auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jmap
jps                            auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jps
jrunscript                     auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jrunscript
jsadebugd                      auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jsadebugd
jstack                         auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jstack
jstat                          auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jstat
jstatd                         auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/jstatd
keytool                        auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/keytool
native2ascii                   auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/native2ascii
orbd                           auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/orbd
pack200                        auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/pack200
policytool                     auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/policytool
rmic                           auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/rmic
rmid                           auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/rmid
rmiregistry                    auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/rmiregistry
schemagen                      auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/schemagen
serialver                      auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/serialver
servertool                     auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/servertool
tnameserv                      auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/tnameserv
unpack200                      auto     /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/unpack200
wsgen                          auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/wsgen
wsimport                       auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/wsimport
xjc                            auto     /usr/lib/jvm/java-6-openjdk-amd64/bin/xjc

As you can see, my Java alternative was switched over to 7, but every other alternative based on OpenJDK 6 was not switched over. Sure I could switch each one manually or write a script to do so, but I assume there is a better way to accomplish this.

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