Java Preferences not working on Mac OS X (10.4.3)

Subject: Java Preferences not working on Mac OS X (10.4.3)

Date: Wed, 23 Nov 2005 11:01:00 +0100

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I don't get Java Preferences running on Mac OS X (10.4.3) (JRE 1.4.2).
It works fine on Windows XP Pro, JRE 1.4.2.

It always returns this error:

java.util.prefs.BackingStoreException: Synchronization failed for node '/TestNode/'
	at java.util.prefs.MacOSXPreferences.flush(MacOSXPreferences.java:196)

Does anyone know what this means?

Not really a useful error message ;).

This is the code, I can't see what could be wrong:

	public static void main(String[] args)
	{
		Preferences preferences = Preferences.systemRoot().node("/TestNode");

		System.out.println("myKey=" + preferences.get("myKey","DefaultValue"));

		preferences.put("myKey", "myValue");

		try
		{
			preferences.flush();
		}
		catch (Exception exception)
		{
			exception.printStackTrace();
		}
	}

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