– Click Java (TM) Platform plugin (Windows) or Java Applet Plug-in (Mac OS X) to select it. – In the Add-ons Manager window, select Plugins. – From the Firefox menu, select Tools then click the Add-ons option. – Open the Firefox browser or restart it, if it is already running. How do I know if Java is enabled in Firefox? This change does not affect Web Start applications, it only impacts Java Applets. Other Wiki contributors are invited to make corrections, additions, or modifications.Firefox no longer provides NPAPI support (technology required for Java applets) As of September, 2018, Firefox no longer offers a version which supports NPAPI, the technology required to run Java applets. This page created and maintained by PhilSchaffner.
Note number of versions, N, and use N+1 (if there is no output from the previous command, just imagine that N=0) - For example, if 4 versions were installed then: There are 4 programs which provide 'java'.
Skip to the section on testing the browser plugin.ĭownload the latest Linux RPM (self-extracting file), currently jre-6u30-linux-圆4-rpm.bin, from then as root install and configure the alternatives system and plugins: # ln -fs /usr/java/latest/lib/i386/libnpjp2.so Java HotSpot(TM) Client VM (build 20.1-b02, mixed mode, sharing)Ĭreate links in the Mozilla Plugins directory so Java will work in supported browsers such as Firefox. Java(TM) SE Runtime Environment (build 1.6.0_30) There are 3 programs which provide 'java'.Įnter to keep the current selection, or type selection number: 3 # alternatives -install /usr/bin/java java /usr/java/latest/bin/java 3 Note number of versions, N, and use N+1 (if there is no output from the previous command, just imagine that N=0) - For example, if 2 versions were installed then: *+ 1 /usr/lib/jvm/jre-1.6.0-openjdk/bin/javaĮnter to keep the current selection, or type selection number: There are 2 programs which provide 'java'. Please use the plugin from Java 1.8 instead.ĭownload the latest Linux RPM (self-extracting file), currently jre-6u30-linux-i586-rpm.bin, from then as root install and configure the alternatives system and plugins. The package can be sucessfully installed but firefox will not enable the plugin due to missing GLIBC symbols. Due to the way the libraries bundled in the package were built, the browser plugin included in Java 1.7 >= 1.7.0.65 no longer works on CentOS 5.