When they reload and Java is available, the runtime required error will disappear and the website content will load as expected. To resolve this runtime error message, you simply need to install Java using either of the methods outlined above, then quit and relaunch Safari web browser and return to the site(s) in question. Yes, this will fix the “To view this web content, you need to install the Java runtime environment error”Ī notable number of Mac users have discovered an error message when using Safari to browse the web, the message is almost always a pop-up window that says: “To view this web content, you need to install the Java runtime environment.” That’s all there is to it, enjoy your Java in OS X Yosemite. That just takes you to this Oracle website where you can download the latest installer for either the Java 8 JRE (the runtime, for most users) or the Java 8 JDK (the Java development kit, for developers). Click “More Info” to visit the Java Developer Kit download website.”Īs you may have guessed, click on “More Info” to launch the Java site in your default web browser, don’t click on OK it just closes the alert box. If you do not currently have Java installed, you’ll get a message that says “No Java runtime present, requesting install.” soon followed by a popup message that says “To use the ‘java’ command-line tool you need to install a JDK. Launch the Terminal in OS X Yosemite and type the following command: 2: Get the Yosemite Compatible Java 8 Installer from the Command Line If you want a more recent version of the JDK or JRE, you can get that directly from Oracle.

While this version installs in OS X Yosemite just fine (despite having the Lion icon shown on the Apple support page, just ignore that as there are no lions in Yosemite) it’s actually JRE 6, which is not the most recent version. 1: Grab a Yosemite Compatible Java Version from AppleĪpple offers an (older) Yosemite compatible version of Java on their website: Keep in mind that many Mac users do not need Java anymore, so if you’re not sure whether you need Java in OS X, you probably don’t, and you’re probably better off just avoiding this.

Java 1.8 mac os