Java is no longer installed with a OS X 10.11 El Capitan clean install, and you’ll find that after updating a Mac a prior version of JRE may no longer function.
You may come across when trying to use some particular applications or web content, “This application requires the legacy Java SE 6 runtime which is unavailable for this version of OS X.” error message, which means if you want to run that app you’re going to need to use an older version of Java.
Mac 버전 10.12 Sierra, 10.11 El Capitan 또는 10.10 Yosemite에서 일부 응용 프로그램을 실행할 때 최신 버전의 Java를 설치한 이후에도 Java를 설치하라는 메시지가 표시됩니다. That is for Java 8. Original link where I found it is here Installing Java on Mac OS X 10.10 Yosemite and 10.11 El Capitan But the accepted answer works too.
If you do not need Java, you should not install Java. Java is, and always has been, the source of many security holes.
For Mojave (10.14) Mac Java! For High Sierra (10.13) Mac Java! For Sierra (10.12) Mac Java! For El Capitan (10.11) Mac Java! For Yosemite (10.10) Mac Java! For Mavericks (10.9) Mac Java! For Mountain Lion (10.8) Mac Java! For Lion (10.7) Mac Java! For Snow Leopard (10.6) Mac Java! For Leopard (10.5) Mac Java! For Tiger (10.4). In this document, I will guide you how to install Mac OS 10.11 on VMWare.
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Here’s how you can install JRE (Java Runtime Environment).
Step 1. Open Safari and go to the Oracle Java downloads page and download the JRE .tar.gz version. You should end up with a file named something similar to jre-8u65-macosx-x64.tar.gz.
Step 2. Go to your Downloads folder and extract the JRE download or use Terminal to extract files:
Step 3. Open Terminal
Step 4. Edit the Info.plist file within to enable the JRE to be used from the the command line, and from bundled applications:
Step 5. Move the JRE folder to the correct location:
Type password on prompt.
Be sure you are in the correct directory (the JRE folder) when you issue this command, because it will move your current directory to /Library/Java/JavaVirtualMachines/!
Step 6. Create a link to add backwards compatibility for some applications made for older Java versions:
You should be done now, so try and open the application. If it does not work, some applications require legacy Java 6 to be installed.
You can have it installed without actually using it, however, it’s possible to trick the applications into thinking legacy Java 6 is installed, without actually doing so.
Step 1.Disable SIP (System Integrity Protection) in OS X El Capitan. Here is tutorial to disable and enable SIP.
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Step 2. Trick some applications into thinking that legacy Java 6 is installed by creating two folders with the following commands in Terminal:
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Step 3. Don’t forget to enable SIP again after creating these directories.