I'm trying to play minecraft, but the java(i'm using javaw to run it), but not working while i click to play the message below is displayed:
JNI error has ocurred, please check your installation and try again
I reinstalled java 3 times, and this error occurs again and again. The hopper.minecraft.net server is down :\ (502 bad gatway) to report it
31 Answer
JNI error has occurred
This is a generic Java error. It is caused when not all the required libraries for a Java program isn't present.
Rather than re-installing Java, have you tried reinstalling Minecraft (deleting the .minecraft folder and starting fresh) and the launcher?
I reinstalled java 3 times, and this error occurs again and again.
The hopper.minecraft.net server is down
Have you checked your internet connection?
This only seems to indicate that the launcher could not post an automated crash report.