public static class ConcurrentChange
extends java.lang.Object
ConcurrentChange
exception indicates that a data structure, entity,
or resource has been modified since some earlier point in time. Typically this
happens when the client is doing the write portion of a read-modify-write
sequence and indicates that it wants the server to notify it if the data in the
server has changed after it did the read, so that it can avoid
overwriting that change inadvertantly.