Run Apache Directory Studio With Java 10

Add --add-modules=ALL-SYSTEM to the end of ApacheDirectoryStudio.ini.

You can find this file:

  • On Linux: in the installation folder
  • On Mac OS X: /Applications/ApacheDirectoryStudio.app/Contents/ApacheDirectoryStudio.ini
  • On Windows: in the installation folder

Source: http://directory.apache.org/studio/faqs.html