On 5/8/16, Stephen Morris <samorris@xxxxxxxxxxxxxxx> wrote: > Hi, > > I am currently using Firefox 49.0a1 on both Linux and Windows and > on both systems Firefox will not activate Java, this has been the case > for several versions of Firefox. I have to java plugin in the > appropriate mozilla directories, but Firefox will still not use it. I > have also checked about:config and there appears to be no java entries > in there whatsoever. Steve, Two issues: 1. It is about:plugins you should check, not about:config 2. You say what version of firefox, but not what version of Java JRE you're using. OpenJDK 7? OpenJDK 8? Oracle Java 7? Oracle Java 8? what sub-version? eg Java8u91 is the latest. ! Release date April 19, 2016. This is important because Firefox now blocks plugins deemed insecure (with open 0day bugs). So if you have an older Java installed (say Java 7 update (latest -1)) then Firefox will indeed block it. The latest version available usually runs just fine (unless you try to use it on the window between the discovery of a 0day and when the next update that plugs that hole is released). Always check on https://java.com/en/download/ for clear info on what thje latest release is and its release date. OpenJDK usually follows suit and when there's a Java 7 or Java8 update the security fixes flow back to the OpenJDK code base, and a corresponding OpenJDK 8uXX is released 3. You might want to hurry, as the official plan going forward RSN is to deprecate the plug-in (might come as soon as Java 9 / OpenJDK 9), also known as "no more browser applets". Java desktop apps and apps launched vua Java Web Start wont be affected. Hope this helps, FC -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: http://lists.fedoraproject.org/admin/lists/users@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org