Java, can not load main class Mineshafter-launcher.jar

Install Java (Java(TM) Platform SE binary) from
 http://java.com/en/
Run
 java Mineshafter-launcher.jar
Return error
"can not load main class Mineshafter-launcher.jar"

run
 java -jar  Mineshafter-launcher.jar
fix the problem

For convinence, write  a window bat script such as Minecraft.bat
java -jar  Mineshafter-launcher.jar
pause

i.e open Notepad, copy above script and save as 
Minecraft.bat
Note  Minecraft.bat should be in the same location (directory) with Mineshafter-launcher.jar
click 
Minecraft.bat