Solve : Cannot run minecraft-server.jar main class missing?

1.	Solve : Cannot run minecraft-server.jar main class missing?
Answer» i cannot run my minecraft-server.jar (or come to think of it, any .jar file) this is the error that appears Could not find the MAIN class: the specified path for the file\minecraft_server.jar. program will now exit i dont know what to do. could somebody HELP me?

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