Hi everyone, I run my galaxy jobs of Megablast on cluster ,but when I want to kill my Megablast by clicking , the job keeps on running in my background.The job_conf.xml I set as follows: <destination id="long_jobs" runner="pbs" tags="cluster"> <param id="Resource_List">walltime=72:00:00,nodes=2:ppn=8,mem=16G</param> <param id="galaxy_external_runjob_script">scripts/drmaa_external_runner.py</param> <param id="galaxy_external_killjob_script">scripts/drmaa_external_killer.py</param> <param id="galaxy_external_chown_script">scripts/external_chown_script.py</param> </destination> <tools> <tool id="megablast_wrapper" destination="long_jobs"/> </tools> Could anyone give me some help please?Thank you. shenwiyn