I consider this as the best practice for Firefox, because OpenJDK will not install libnpjp2.so, essential to activate Java in Firefox ESR. In this case, Openjdk plugin didn't work with Firefox ESR, but Oracle Java, installed as followed from Digital Ocean tutorial.Īlthough they told that it's deprecated (because it applies to Ubuntu 12.04), the procedures are the same: you can use it in ubuntu 17.10, just downloading jdk 8u161. In fact, this solution doesn't depends on which kind of java is installed and operating in this system. Right-click on Name title, choose New Preference > BooleanĬreate a new entry with this label: plugin.load_flash_only Open your browser and type this: about:config Not clear why firefox has trouble using installed java.

Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode) I am able to run java successfully through command line $ java -version

The java command is a symlink to /etc/alternatives/java which is a symlink to /usr/lib/jvm/java-8-oracle/jre/bin/java I get this exception in the terminal from which firefox was startedĮxception in thread 'main' Īt .JVMManager.getOrCreateBestJVMInstance(UnknownĪt .JVMManager.startAppletImpl(Unknown Source)Īt .JVMManager.startApplet(Unknown Source)Īt .MozillaPlugin.maybeStartApplet(Unknown Source)Īt .tWindow(Unknown Source) With these changes, when I startup firefox and go the Īnd click on the link Firefox 52 ESR users: If you'd like to run the verify app as a plugin, please click here. Is a symlink pointing to /usr/lib/jvm/java-8-oracle. Made sure Oracle's java is the default java. $ ln -s /usr/lib/jvm/java-8-oracle/jre/lib/amd64/libnpjp2.so. In $HOME/.mozilla/plugins, created this symlink for java plugin $ cd $HOME/.mozilla/plugins Other than the ESR version of firefox, I don't have any other version ofĪdded 'plugin.load_flash_only = false' to about:config section of firefox.

Note, using another browser, or clicking on 'Still having trouble? Run a temporary application to join this meeting immediately.' (A stand alone executable) will connect immediately.Įxpected results in each case is that the plugin finishes loading in each case.To use Java from browser, installed firefox ESR using these commands $ sudo add-apt-repository ppa:jonathonf/firefox-esr Examples include Cisco An圜onnect (SSL VPN Client) and Cisco WebEx (screen sharing, conferencing)ġ.) Attempt to login (use any fake information) to Ģ.)The application will begin to launch on its ownĤ.) A Dialog will appearġ.) install client software as instructed Plugins leveraging java to load 'external' applications fail to load on Firefox 29.

Enable java in firefox 29