retransmitter.reset();
    public void stop() {        // *** Get an exclusive lock        try {            stateLock.writeLock();             try {                state = NULL_STATE;                retransmitter.reset();                reqTbl.clear();                upTbl.clear();                addr = null;                                // *** Revoke the exclusive lock            }            finally {                stateLock.writeUnlock();            }        }        catch(RWLock.IntException ex) {            if(log.isErrorEnabled()) log.error(ex.getMessage());        }    }