private boolean isProtocolTypeInconsistent(String protocolType) {
        return protocolType != null && !protocolType.equals(protocolType());
    }
Request to rejoin the group.

@param shortReason This is the reason passed up to the group coordinator. It must be
                   reasonably small.
@param fullReason This is the reason logged locally.
clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java