Java applet stopped working after update to JRE 7u21

Question

My java applet stopped working once JRE was updated to 7u21.

Short summary:

• The Exceptions I get are: netscape.javascript.JSException and
  java.l

Answer 1

Bailey S is right.Make sure that java can see that jar file.If you're using linux,set the path in /etc/environment path variable or in windows,just right click on my computer,go to properties,environment variables and set path there