There are several reasons why an application may not appear to be running:
- All of the licenses for the application may be in use by others.
- More commonly, you may have reached the resource limit on your account (# of CPUs or memory limit).
- If the compute grid is busy, there many not be enough RAM or CPUs on any of the compute nodes to run your application.
Open a terminal session and type
bjobs on the command line (details here). Look for line where the STATus is
bjobs -l JOBID (replace JOBID with the ID of the job that is PENDing. Look for the PENDING REASONS section to understand why your job is not running.