Service has no ExecStart=, code example
Example: Service has no ExecStart=, ExecStop=,
The program you are starting with ExecStart must have full path. Find out where your java binary is and add that to the ExecStart.
Ex: ExecStart=/bin/java .....The program you are starting with ExecStart must have full path. Find out where your java binary is and add that to the ExecStart.
Ex: ExecStart=/bin/java .....