Not sure, but this might be related https://issues.igniterealtime.org/browse/OF-1483 (should be fixed in 4.2.3). You can also try stopping Openfire and reinstall it. Maybe some files were not updated correctly.
Not sure, but this might be related https://issues.igniterealtime.org/browse/OF-1483 (should be fixed in 4.2.3). You can also try stopping Openfire and reinstall it. Maybe some files were not updated correctly.