Running the JavaHelp viewer using "1.4.1-rc-b19", I'm seeing the following
output:
java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
WARNING: Could not lock System prefs.Unix error code 0.
Aug 9, 2002 4:05:26 PM java.util.prefs.FileSystemPreferences syncWorld
WARNING: Couldn't flush system prefs: java.util.prefs.BackingStoreException: Couldn't get file lock.
Aug 9, 2002 4:05:56 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode
WARNING: Could not lock System prefs.Unix error code 0.
Aug 9, 2002 4:05:56 PM java.util.prefs.FileSystemPreferences syncWorld
WARNING: Couldn't flush system prefs: java.util.prefs.BackingStoreException: Couldn't get file lock.