Using 2018b javaclasspath.txt doesn't seem to get loaded during batch startup.

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Anthony Whipple 2019-2-8

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评论： Anthony Whipple 2019-4-5

I am trying to run matlab 2018b in batch mode under windows using the task scheduler. The command options are:

-useStartupFolderPref -nosplash -minimize -r my_script_file

I have a javaclasspath.txt file in my startup folder. my_script_file works when matlab is launched by double clicking the icon. During the batch mode startup, the java class path does not include the contents of my javaclasspath.txt file - it does when matlab is started by double click.

Am I doing something wrong?

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Answer 1

Andrew Stamps 2019-4-4

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Have you attempted putting your javaclasspath.txt file in your preferences directory instead of your startup directory? The preferences directory can be found by executing the following command:

prefdir

For more information, see the following: https://www.mathworks.com/help/matlab/matlab_external/static-path.html

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Anthony Whipple 2019-4-5

Thanks! I am pretty sure that it used to work in the startup directory, but this does the trick.

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Answer 2

Yair Altman 2019-2-11

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I'm not sure why your javaclasspath.txt file doesn't load in batch mode. As workaround, you can programmatically load the necessary Java classes into the static Java classpath inside your script file, as described in https://undocumentedmatlab.com/blog/static-java-classpath-hacks