The job is not getting killed

Hi All,

I have one redwood script job which has redwood script in Actions->pre-running.

The job is getting completed successfully in 90% times.But in 10% times it stays running state.

Pre-running state is getting completed means redwood script gets completed and jobs goes to running state.

Here the problem comes and jobs stays in running state and when i try to kill the job the job goes to killing state and it not coming to final state(Completed,error,killed,canceled).

I tries putting the running job to unknown state with help of System_SetJobStatusUnknown but this is not putting the job to unknown state.

Dont know why this job is behaving this way some times.

Any Idea .. Please suggest.

Thanks,

Ravi.