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Installing the Java plugin in Firefox
Migrated to https://ubuntuincident.wordpress.com/2010/10/28/java-plugin-for-firefox/. ProblemYou have a Linux box (e.g. Ubuntu) and you want to run an applet. It starts, but then it hangs, and you have no idea what the hack is going on. My CaseI had Firefox 3.6.3 and I wanted to use OpenCms 7.5.1's upload feature. The uploading is done via an applet that started but when I chose the file to upload and clicked OK, nothing happened. The CPU was on 100% and using the top command I noticed that a Java process is stuck. A bit later I figured out that it must be the Java plugin… SolutionIn Firefox, verify what Java plugin you have. Go to Tools → Add-ons → Plugins. Here I had the iced tea java plugin. This is a crap, use the official Sun plugin instead. Open Synaptic and remove this plugin. I also removed the openjdk packages. Then install these: sudo apt-get install sun-java6-jdk sun-java6-jre sun-java6-plugin sun-java6-fonts Now let's see the list of alternatives: sudo update-java-alternatives -l Here I got this output: java-6-sun 63 /usr/lib/jvm/java-6-sun java-gcj 1042 /usr/lib/jvm/java-gcj Set the official one: sudo update-java-alternatives -s java-6-sun Now restart Firefox and check the Java plugin again. You should see Java(TM) Plug-in 1.6.0_20. TroubleshootingIf you cannot install deb http://archive.canonical.com/ lucid partner Update the source list and retry. More info at http://www.ubuntugeek.com/how-install-sun-java-runtime-environment-jre-in-ubuntu-10-04-lucid-lynx.html . |
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