I have a problem with runing a jar file

after i compiled the hole project into a jar file when i want to run it i get this error:
========================================================
C:\Documents and Settings\BlackShark>java -jar D:/eclipse/workspace/Bazooka/E
xe/Bazooka-Server.jar
Exception in thread "main" java.lang.NoClassDefFoundError: ro/blackshark/Bazo
oka/Server/TestServer

Looks like you're missing that class in the jar file. Open your jar file and check if the class is there and the path is correct.

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