Public bug reported:

I was using google chrome browser on Ubuntu 12.04 machine, recently I
needed to switch to chromium-browser. I am using the version that is
available on the Ubuntu software centre. The problem is that I can't
make java applets to load any more.

Here is my situation --

 1. I am using vanilla jdk (jdk 1.7.0_51) from the oracle site.
 2. Previously in chrome, I have created a symlink of `libnpjp2.so` to the 
`/opt/google/chrome/plugins` folder, java applets were working fine.
 3. After uninstalling chrome and installing chromium-browser, I made a symlink 
of `libnpjp2.so` to `/usr/lib/chromium-browser/plugins` folder, but java 
applets do not fire up any more (even from this site: 
http://www.java.com/en/download/installed.jsp)
 4. Even `libnpjp2.so` appears in `about:plugins` in chromium-browser and 
showing it's enabled.

What I have tried so far --

 1. After uninstalling chrome, the `/opt/google/chrome` was still there, I 
removed it
 2. Made the symlink as the point 3 above to 
`/usr/lib/chromium-browser/plugins`, but no luck.
 3. So, I installed `icedtea-7-plugins` from the Ubuntu repo and made a symlink 
of `IcedTeaPlugin.so` to `/usr/lib/chromium-browser/plugins`, but no luck, so I 
removed it.
 4. Even added the java applet test page to the exclusion list in the java 
control panel.
 5. Even cleared temporary internet files from the java control panel.
 6. Did multiple cycles of "enable/disable" java plugins in chromium-browser.
 7. Firing up the chromium-browser with `-enable-plugins` switch did not work.

When I go to the java applet test page, what I can only see is a grey
rectangle, nothing else. Please note, everything was working fine on
chrome browser and also in firefox. Please also note that I do not want
to install openjdk stuffs.

any idea ?

lsb_release -rd:

Description:    Ubuntu 12.04.4 LTS
Release:        12.04

chromium-browser:
  Installed: 33.0.1750.152-0ubuntu0.12.04.1~pkg879.1
  Candidate: 33.0.1750.152-0ubuntu0.12.04.1~pkg879.1
  Version table:
 *** 33.0.1750.152-0ubuntu0.12.04.1~pkg879.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/universe amd64 
Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/universe amd64 
Packages
        100 /var/lib/dpkg/status
     18.0.1025.151~r130497-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages

** Affects: chromium-browser (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1308783

Title:
  java plugin does not work on chromium

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