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user@machine:~$ sudo update-java-alternatives -l
default-java 1073 /usr/lib/jvm/default-java
java-1.8.0-openjdk-i386 1069 /usr/lib/jvm/java-1.8.0-openjdk-i386
java-8-openjdk-i386 1069 /usr/lib/jvm/java-8-openjdk-i386
java-8-oracle 1070 /usr/lib/jvm/java-8-oracle
ramdisk-java-8-oracle 1073 /usr/lib/jvm/ramdisk-java-8-oracle |
If Hopefully in this example some existing JVM are installed but java doesn't run, check however the JVM setup seems to be broken. Check your Java Environment then Install one.
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user@machine:~$ update-alternatives --get-selections | grep java
appletviewer manual /usr/lib/jvm/default-java/bin/appletviewer
extcheck manual /usr/lib/jvm/default-java/bin/extcheck
firefox-javaplugin.so auto /usr/lib/jvm/default-java/jre/lib/i386/libnpjp2.so
idlj manual /usr/lib/jvm/default-java/bin/idlj
itweb-settings auto /usr/lib/jvm/default-java/jre/bin/itweb-settings
jar manual /usr/lib/jvm/default-java/bin/jar
jarsigner manual /usr/lib/jvm/default-java/bin/jarsigner
java manual /usr/lib/jvm/default-java/jre/bin/java
javac manual /usr/lib/jvm/default-java/bin/javac
javadoc manual /usr/lib/jvm/default-java/bin/javadoc
javah manual /usr/lib/jvm/default-java/bin/javah
javap manual /usr/lib/jvm/default-java/bin/javap
javaws auto /usr/lib/jvm/java-6-openjdk-i386/jre/bin/javaws
jcmd manual /usr/lib/jvm/default-java/bin/jcmd
jconsole manual /usr/lib/jvm/default-java/bin/jconsole
jdb manual /usr/lib/jvm/default-java/bin/jdb
jdeps manual /usr/lib/jvm/default-java/bin/jdeps
jexec manual /usr/lib/jvm/default-java/jre/lib/jexec
jhat manual /usr/lib/jvm/default-java/bin/jhat
jinfo manual /usr/lib/jvm/default-java/bin/jinfo
jjs manual /usr/lib/jvm/default-java/jre/bin/jjs
jmap manual /usr/lib/jvm/default-java/bin/jmap
jps manual /usr/lib/jvm/default-java/bin/jps
jrunscript manual /usr/lib/jvm/default-java/bin/jrunscript
jsadebugd manual /usr/lib/jvm/default-java/bin/jsadebugd
jstack manual /usr/lib/jvm/default-java/bin/jstack
jstat manual /usr/lib/jvm/default-java/bin/jstat
jstatd manual /usr/lib/jvm/default-java/bin/jstatd
keytool manual /usr/lib/jvm/default-java/jre/bin/keytool
lucli auto /usr/lib/liblucene2-java/lucli
native2ascii manual /usr/lib/jvm/default-java/bin/native2ascii
orbd manual /usr/lib/jvm/default-java/jre/bin/orbd
pack200 manual /usr/lib/jvm/default-java/jre/bin/pack200
policytool manual /usr/lib/jvm/default-java/jre/bin/policytool
rmic manual /usr/lib/jvm/default-java/bin/rmic
rmid manual /usr/lib/jvm/default-java/jre/bin/rmid
rmiregistry manual /usr/lib/jvm/default-java/jre/bin/rmiregistry
schemagen manual /usr/lib/jvm/default-java/bin/schemagen
serialver manual /usr/lib/jvm/default-java/bin/serialver
servertool manual /usr/lib/jvm/default-java/jre/bin/servertool
tnameserv manual /usr/lib/jvm/default-java/jre/bin/tnameserv
unpack200 manual /usr/lib/jvm/default-java/jre/bin/unpack200
wsgen manual /usr/lib/jvm/default-java/bin/wsgen
wsimport manual /usr/lib/jvm/default-java/bin/wsimport
xjc manual /usr/lib/jvm/default-java/bin/xjc |
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| UpdateJavaAlternatives |
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| UpdateJavaAlternatives |
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Update Java AlternativesKnown JVMs
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