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Cron job problems: Can't reload '/usr/loca​l/MATLAB/R​2015b/bin/​glnxa64/li​bmwsl_Asyn​cioQueue.s​o'

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I'm running Matlab 2015b on Ubuntu 16.04.3. I've created a bash script for automatically running a code test suite that I intend to run on a nightly basis using cron.
cd ~/data/trunk
svn update
matlab -nodisplay -nosplash -nodesktop -r autoTest
The script runs fine from the command line. However, Matlab exits with error
Can't reload '/usr/local/MATLAB/R2015b/bin/glnxa64/'
when cron tries to run it. Here's an example of my crontab file:
*/15 * * * * ~/scripts/ > ~/scripts/autoTest.log
(right now I'm running the script every 15 min as part of the debug effort.) Does anyone have any ideas of how to get this script to run under cron? What does libmwsl_AsyncioQueue do, and why would it behave differently under cron?

Accepted Answer

Walter Roberson
Walter Roberson on 16 Oct 2017
Is it possible that you have set the JAVA* environment variables to point Java to a place other than what MATLAB would expect by default? cron jobs do not go through any login sequence; you might need to set a couple of environment variables in the shell script.

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