User manual

Troubleshooting
• If you receive this error when starting a worker with the Distributed
Computing Engine
- You may be calling the startworker command from a n installation that
does not have access to a worker license. For example, starting a worker
from a client ins tallation o f Distributed Computing Toolbox cause s the
following error.
The mdce servi ce on the host hostname
returned the f ollowing error:
Problem startin g the MATLAB worker.
The cause of this problem is:
================================================== ==== ========
Most likely, th e MATLAB worker fa iled to start due t o a
licensing probl em, or MATLAB crash ed during startup. Check
the worker log file
/tmp/mdce_user/node_node_worker_05-11-01_16-52-03_ 953. log
for more detail ed information. The mdce log file
/tmp/mdce_user/mdce-service.log
may also contai n some additional information.
================================================== ==== =========
In the worker log files, you will see the follow ing information.
License Manage r Error -15.
Cannot connect to license server
The server (l mgrd) has not been started yet , or
the wrong por t@host or license file is being used, or the
port or hostn ame in the license file has been c hang ed.
Feature: MATLAB_Distrib_Comp_Engine
Server name: hostname
License path: /matlab/etc/lic ense.dat
FLEXlm error: -15,570. System Error: 11 1 "Connection refus ed"
For further in formation, refer to the FLEXlm End User Manual,
available at " www.macrovision.com".
MATLAB is unab le to connect to the license server.
Make sure the SERVER line in your license file is correct.
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