How to Capture Debug Output for Uninstallers

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Information on capturing debug output for uninstallers

This article provides information on how to capture debug output for uninstallers post-development.

To capture the debug output from Windows or UNIX/Linux uninstallers

After installation, open the Uninstaller lax file (file with .lax extension under the uninstaller folder in the Installed directory) with a text editor.
Set the following properties to a valid path and filename:
- For Windows:
  - lax.stderr.redirect=C:\\out.txt
  - lax.stdout.redirect=C:\\out.txt
- For UNIX/Linux
  - lax.stderr.redirect=/tmp/out.txt
  - lax.stdout.redirect=/tmp/out.txt
To enable verbose mode, set the following property:
- lax.nl.java.option.additional=-Dlax.debug.all=true -Dlax.debug.level=4
Save and close the .lax file.
Run the uninstaller. After the uninstaller is finished, a file with the above specified name should be created in the specified location.

To capture the debug output from macOS- or OS-X-based uninstallers

After installation, open the IA_info.plist file (under the uninstaller folder in the Installed directory) with a text editor.
Set the both the lax.stderr.redirect key and the lax.stderr.redirect key to a valid path and filename:
- <string>/tmp/out.txt</string>
To enable verbose mode, set the VMOptions key with the following values:
- <string>-Dlax.debug.all=true</string>
- <string>-Dlax.debug.level=4</string>
Save and close the .plist file.
Run the uninstaller. After the uninstaller is finished, a file with the above specified name should be created in the specified location.

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