* Name Server: Broker下线前，清除Broker对应的权限
*/
public int wipeWritePermOfBroker(final String namesrvAddr, String brokerName, final long timeoutMillis)
throws RemotingCommandException, RemotingConnectException, RemotingSendRequestException,
RemotingTimeoutException, InterruptedException, MQClientException {
WipeWritePermOfBrokerRequestHeader requestHeader = new WipeWritePermOfBrokerRequestHeader();
requestHeader.setBrokerName(brokerName);
RemotingCommand request =
RemotingCommand.createRequestCommand(RequestCode.WIPE_WRITE_PERM_OF_BROKER, requestHeader);
RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, timeoutMillis);