I could not get JAVA working in Lucid. Installed OpenJDK Java 6 Runtime and OpenJDK Java 6 Webstart from Ubuntu Software Center but no Java showed up in Firefox's about:plugins.
After searching for hours in numerous forums (mostly dealing with sun-java) I got the idea that the web-browser plugin could be missing. And so I found the following solution:
Install icedtea6-plugin With Synaptic Package Manager (or Icedtea java plugin from Ubuntu Software Center).
Now JAVA is running smoothly.
Thought it is a good idea to share my findings with the community.
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