[SRU] jvisualvm won't launch

SRU Request for precise

#### SRU Justification ###

[Impact]
jvisualvm is currently unable to start in Precise.

[Development Fix]
Fixed in lp:~kroq-gar78/ubuntu/precise/visualvm/fix-start revno 16 (http://bazaar.launchpad.net/~kroq-gar78/ubuntu/precise/visualvm/fix-start/revision/16) along with bug 937710 (they are _very_ similar in nature) by adding `dpkg --print-architecture` to the end of the java-6-openjdk path. Because I fixed it in conjunction with bug 937710, I also added a 'java-7-openjdk-$ARCH' path.

[Stable Fix]
To do this after the package has been installed, edit the file /usr/bin/jvisualvm and include the same fix, following this diff:

@@ -8,9 +8,10 @@
 progdir=/usr/bin
 APPNAME=visualvm
 BASEDIR=/usr/lib/visualvm
+ARCH=`dpkg --print-architecture`

 jdkhome=
-for j in /usr/lib/jvm/java-6-openjdk /usr/lib/jvm/java-6-sun; do
+for j in /usr/lib/jvm/java-6-openjdk-$ARCH /usr/lib/jvm/java-6-sun; do
     if [ -x $j/bin/javac ]; then
  jdkhome=$j
  break

Since /usr/bin/jvisualvm is the same file as debian/jvisualvm in the package source, the file can be edited exactly as it was edited in the Bazaar branch above.

[Test Case]
1) Install the package 'visualvm'
2) Run 'jvisualvm' from a terminal

With the version in Precise, it will error out with:
No jdkhome found.

[Regression Potential]
The potential for regression is extremely low because running the program isn't currently possible.

#######

visualvm 1.3.2-0ubuntu2 running on Ubuntu 12.04 LTS.