Friday, February 26, 2010

As I was trying to launch a NetBeans RCP app from an external drive with a specific JRE also deployed on that external drive, I had a little trouble to also have the user directory located there.

My mistake was to have the user directory specified in the same directory as the RCP app.

Example: Assume you create a ZIP of your app called "MyApp". It will be in a folder called "MyApp" (The folder is containing "bin", "etc", and so on). To make sure it uises a given tested version of the JRE assume you also have a copy of the JRE in that deployment dir.

NOT WORKING :

set MYAPP=%~dp0
"%MYAPP%\bin\myapp.exe" --jdkhome "%MYAPP%\jre6" --userdir "%MYAPP%\myuserdir"


The code above will create the userdir but than just exit. I have no explanation for this behavior. What solved the problem is to make sure the user directory is not under the deployment directory

WORKING:

set MYAPP=%~dp0
"%MYAPP%\bin\myapp.exe" --jdkhome "%MYAPP%\jre6" --userdir "%MYAPP%\..\myuserdir"


Which put the user directory parallel to the deployment directory.

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