}
        } catch( InterruptedException ie ) {
            state = 0;
            thread = null;
            throw new TransportException( ie );
        } finally {
            /* This guarantees that we leave in a valid state
             */
            if (state != 0 && state != 3 && state != 4) {
                if (log.level >= 1)
                    log.println("Invalid state: " + state);
                state = 0;