The Jobs mission disappears but the process is still?

[jiguiyang]

details messages:
pbs_mom.113749;Job;scan_non_child_tasks;found existed session 6283 for task 1 in job 200.mu01
pbs_mom.113749;Job;200.mu01;job was terminated
pbs_mom.113749;Svr;preobit_preparation;top
pbs_mom.113749;Job;200.mu01;obit sent to server
pbs_mom.113749;Job;200.mu01;removed job script