Updates:
Status: Invalid
Comment #4 on issue 2181 by brainslog:
org.jdiameter.client.impl.parser.AvpImpl.getRawData() NPE on empty Group
http://code.google.com/p/mobicents/issues/detail?id=2181
OK, glad that it came to be anon bug. Actually I was about to add a non-null check for the argument (since it's faster), but I've been checking the calls made to it and it hardly can get there with a null value, so better to just keep it as it is now.
Marking as invalid.
