Once you have upgraded your MacBook Pro to the latest version of macOS, you may experience some initial issues. In some cases, users face problems when they try to launch applications such as Premiere Pro, Adobe Photoshop, Illustrator or their favorite games. When you open an application or game, you may get this error message: “you need to install the legacy Java SE 6 runtime”. The error goes on to say ” To view this web content, you need to install the Java Runtime Environment. Click “More Info…”. If you click the more info option, you get a blank page.
How to fix this?
The issue was likely cause by a Java version that is not compatible. The latest version of Java is available on https://www.java.com/en/download/. However, if you install the new version on your MacBook Pro, you may continue experiencing issues. This is why you should go to the following page for Java for macOS 2017 and install Jave SE 6: https://support.apple.com/kb/DL1572?viewlocale=en_US&locale=en_US
With Java SE 6, you should be able to run Minecraft 1.8. The problem can also be fixed installing the latest the development version of Java 8u25. If you have issues to download it using Safari, you can try Firefox.