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After an upgrade to Trusty Tahr (14.04), it seems Java has ceased to work in several browsers (tested on Firefox, Chromium, and Chrome).

ubuntu-restricted-extras is installed, Oracle-Java was installed using the webupd8 PPA, and I also tried applying a fix to an update-alternatives error, and installing IcedTea, to no avail.

How to activate Java plugins in the browsers?

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Eliran Malka
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    Regarding Chromium, see here. Does installing OpenJDK 7 work for Firefox? – saiarcot895 Apr 22 '14 at 15:37
  • @user68186 - icedtea is installed. – Eliran Malka Apr 22 '14 at 16:28
  • @saiarcot895 - Does that mean that no Java plugin is available for chromium (or chrome) at the moment ?! Is everyone down at Google just ignoring that humongous elephant in the room? – Eliran Malka Apr 22 '14 at 17:06
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    @EliranMalka: Java is outside of their control, and they have their reasons for deprecating NPAPI (security, permissions, etc.). As far as I know, the only way to use Java in the browser is to re-enable NPAPI (for the time being) by recompiling Chromium. – saiarcot895 Apr 22 '14 at 17:11
  • @saiarcot895 - holy s***! – Eliran Malka Apr 22 '14 at 17:13
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    I've got the same problem but recompiling Chromium is definitely not an option. It takes a horrendous amount of disk space and time. Will probably just use Firefox for the rare sites that require Java. – Daniel Apr 27 '14 at 09:37

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Check the symbolic link in your browser's plugin directory and make sure it's pointing to the correct installation of Java (eg /usr/local/java/jre1.x.xxx/lib/amd64/libnpjp2.so)

AlexJerez
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