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Frank Barcenas
Asked: 2013-05-03 10:51:53 +0800 CST

icedtea-7-plugin non-functional in Ubuntu 13.04

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I installed(sudo apt-get install) icedtea-7-plugin (and all its dependencies) and have closed firefox and reopened it; and the plugin still does not appear in http//about:plugins

Is there a fix for this? Output of: java -version

java version "1.7.0_21"
OpenJDK Runtime Environment (IcedTea 2.3.9) (7u21-2.3.9-1ubuntu1)
OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode)

Output of: update-java-alternatives -l

java-1.6.0-openjdk-amd64 1061 /usr/lib/jvm/java-1.6.0-openjdk-amd64
java-1.7.0-openjdk-amd64 1071 /usr/lib/jvm/java-1.7.0-openjdk-amd64
java-gcj-4.7 /usr/lib/jvm/java-gcj-4.7
firefox

3 Answers

  1. Best Answer

    I got it working by purging the icetea7 and jdk, and reinstalling them. It will tell you that you need to install icetea 6 and openjdk6 when you try to purge the files, do it. Then reinstall the icedtea 7 plugin and dependencias, and it should work.

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  2. I had the same problem: java wasn't working after upgrade to 13.04, icedtea7 was installed, but Firefox didn't detect it. Purging icedtea7 and openjdk7 did not resolve it for me. I can tell you what I did to solve it, but I don't know which steps are essential:

    I tried Frank's solution, but it didn't work for me. As he notes, purging icedtea7 and jdk will require require installing openjdk6. If you run

    sudo apt-get purge openjdk-6-jre openjdk-7-jre

    it will require installing default-jre-headless. I purged all three at the same time:

    sudo apt-get purge openjdk-6-jre openjdk-7-jre default-jre-headless

    I then ran

    sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get update
sudo apt-get dist-upgrade

    Then I reinstalled openjdk7, and several packages that were suggested during that installation: default-jre, equivs, and icedtea-7-plugin:

    sudo apt-get install openjdk-7-jre

    After that, I closed and reopened Firefox, and java works fine.

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  3. I found this question and after reading others responses could make it by adding the plugin package

    apt-get install icedtea-7-plugin
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