java home

javahome.txt

thufir@dur:~/apache-james-3.0-beta4/bin$ 
thufir@dur:~/apache-james-3.0-beta4/bin$ ./james-cli.sh -h localhost -p 9999 adddomain mydomain.tld
Error: JAVA_HOME is not defined correctly.
  We cannot execute /usr/lib/jvm/java-6-openjdk-common/bin/java
thufir@dur:~/apache-james-3.0-beta4/bin$ 
thufir@dur:~/apache-james-3.0-beta4/bin$ echo $JAVA_HOME/usr/lib/jvm/java-6-openjdk-common
thufir@dur:~/apache-james-3.0-beta4/bin$ 
thufir@dur:~/apache-james-3.0-beta4/bin$ ll /usr/lib/jvm/java-6-openjdk-common/total 12
drwxr-xr-x 3 root root 4096 Aug 16 00:41 ./
drwxr-xr-x 6 root root 4096 Aug 16 00:41 ../
drwxr-xr-x 3 root root 4096 Aug 16 00:41 jre/
thufir@dur:~/apache-james-3.0-beta4/bin$ 
thufir@dur:~/apache-james-3.0-beta4/bin$  sudo update-alternatives --config java 
[sudo] password for thufir: 
There are 3 choices for the alternative java (providing /usr/bin/java).

  Selection    Path                                           Priority   Status
------------------------------------------------------------
  0            /usr/lib/jvm/java-7-oracle/jre/bin/java         1063      auto mode
* 1            /usr/lib/jvm/java-6-openjdk-i386/jre/bin/java   1061      manual mode
  2            /usr/lib/jvm/java-7-oracle/bin/java             1062      manual mode
  3            /usr/lib/jvm/java-7-oracle/jre/bin/java         1063      manual mode

Press enter to keep the current choice[*], or type selection number: 
thufir@dur:~/apache-james-3.0-beta4/bin$ 
thufir@dur:~/apache-james-3.0-beta4/bin$ cat /etc/environment 
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
JAVA_HOME="/usr/lib/jvm/java-6-openjdk-common"
thufir@dur:~/apache-james-3.0-beta4/bin$