ceylon/ceylon-compiler — comment on commit 0a6b400ad8712c3f550e8dd1792ce4e82e36b1a2
File: bin/args.bat.in line 41
By FroMage:

Not sure this is quite the right error message. On Windows, we set JAVA_HOME from the registry entries (see `java.bat`), so if we have a JAVA_HOME property but it points to an invalid location it means the JDK has been manually uninstalled. Reinstalling will fix this issue.