Set Java class parameter

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Ritesh Shah
Ritesh Shah 2015-11-11
评论： Ritesh Shah 2015-11-16
I am trying to use a custom java driver( UcanAccess ) to connect to a Access database. I was able to add the java file and its dependencies to my java path. However, the driver requires me to set a java parameter with the path to the driver. Without setting the path I get the following error message:The UCANACCESS_HOME system variable isn't defined: it should be: -DUCANACCESS_HOME=<your path to the UCanAccess-3.x.x-bin folder>. Does anyone know how to set this java parameter ?

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Shruti Sapre
Shruti Sapre 2015-11-16
Hi Ritesh,
Are you trying to connect to Access using MATLAB, and are trying to set the system variable in MATLAB?
In general, you could pass the required argument as a VM argument to a Java application:
http://stackoverflow.com/questions/11785675/how-or-where-to-set-parameters-for-vm-arguments-in-eclipse-using-phonegap-and-mg
If connecting through MATLAB, you could try placing the -D directive in the java.opts file based on the example below:
http://www.mathworks.com/matlabcentral/answers/92813-how-do-i-increase-the-heap-space-for-the-java-vm-in-matlab-6-0-r12-and-later-versions
Hope this helps!
-Shruti

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