Message Oracle ORA-27370 - job slave failed to launch a job of type EXECUTABLE

ERRORjob slave failed to launch a job of type EXECUTABLE
CAUSEThe scheduler ran into an error when the job slave tried to start a job of type EXECUTABLE. The rest of the error stack will provide more detailed information on what the exact problem was.
ACTIONCorrect the problem specified in the error stack and reschedule the job.