A JNI error has been causing some Minecraft users from entering the game. Here's how you can fix this issue.

Here are the three easiest ways to fix Java’s “not recognized as an internal or external command” error: Install or reinstall Java and the JDK on your computer Add Java’s bin directory to the computer ...

Minecraft Internal Exception errors can be frustrating to get rid of if you do not know what to do.

<tl;dr> To fix the Eclipse “No Java virtual machine was found” error, simply edit the eclipse-inst.ini file and add the -vm flag, which points it to the java utility in the JDK bin directory: ...