![]() So although it is much easier on Windows, it does work on Macintosh for users willing to jump through the byzantine double security procedures. Presumably if the developer double signs the Java code with both Apple and Java certificates the procedure is easier (on Windows you only need the Java certificate). Afterwards you can just launch the software from the JNLP file. Then you need to do the usual Java security choices (as on Windows the Java code needs to be signed with a Java certificate). But once the JNLP file is rescued from Downloads, for the first launch you need to right-click on it and choose Open, and answer that you are sure you want to open it. The user needs to go to a download link for the JNLP file, and save the JNLP file despite all the weird things that happen when you try to do this in various browsers in various Macintosh environments, such as having a Discard option but no Keep option. This is possible on Windows computers, but Firefox for Mac defaults to 64-bit, making it impossible to install Java for Firefox on a Mac. The user needs to jump through a bunch of hoops to get this to work, but the result is a local JNLP file that launches the Java software without needing a browser. To enable Java content, youll have to install an old, 32-bit version of Firefox and then manually add the Java plugin. As on Windows, it works despite Java applets no longer being allowed in browsers, as long as the developer builds in Java Web Start support. If you still have problems, please check this help article to ensure the website you are accessing is allowed to use it, and the settings are correct: How to use Internet plug-ins in Safari for Mac - Apple Support ![]() macOS Sierra: Log out, sleep, restart, and shut down - Apple Support Select the Web Features icon and make sure the Enable Java check box is selected. Alternatively, you can just restart your Mac. Choose Tools from the Firefox Menu bar, then Options. Once you finish the installation, quit Safari by clicking the Safari word up top on the left next to the Apple, and then click Quit, and reopen it. You will likely need to install a newer version since the alert you received started it is not currently supported. This is not done via any Firefox configuration option, but an account wide Java setting: Open the Java Preferences utility which you can find in Applications - Utilities. You may have to give permission to run Java first, and then click to test it again, depending on your security settings. Mozilla Firefox ESR - Java Download - Allowing Java Content on a Website 1. Depending on your settings, you may get a button showing "Click to use Java ->". Once there, click the link "Do I have Java", and then "Verify Java version". This article recommends getting Java directly from Oracle, and has the link: Get Java for your Mac - Apple Support I am happy to offer some assistance.įirst, I recommend ensuring you have the correct version of Java. Thanks for asking the Apple Support Communities for help with Java on your Mac.
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