[CSC 435] Queue Problems

Andrew J. Pounds pounds_aj at mercer.edu
Mon Apr 20 10:28:18 EDT 2026


Guys -- I have noticed that maui or torque can go offline if it gets a 
script with strings that are too long or has odd characters in the 
file.  When this happens the jobs will most likely be sitting in the 
queues in the "Q" state - waiting for Maui to schedule them.

This problem manifests itself when you type the "showq" command and get 
the following error...

henry:~ % showq
ERROR:    cannot send request to server henry.mercer.edu:42559 (server 
may not be running)
ERROR:    cannot request service (status)

or qstat doesn't produce any output.

In truth, this could be either Maui or Torque -- but it will take 
someone with my authorization and skills to fix it.  If you run into 
problems (like Tyler did this weekend) please send me an e-mail ASAP and 
I will try to fix it.


-- 
*Andrew J. Pounds, Ph.D.*
/Professor of Chemistry and Computer Science/
/Director of the Computational Science Program/
/Mercer University, Macon, GA, 31207 (478) 301-5627 /
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