rocketMQ producer 执行超时

demo运行producer时报错sendDefaultImpl call timeout

RocketMQLog:WARN No appenders could be found for logger (io.netty.util.internal.InternalThreadLocalMap).

RocketMQLog:WARN Please initialize the logger system properly.

Exception in thread “main” org.apache.rocketmq.remoting.exception.RemotingTooMuchRequestException: sendDefaultImpl call timeout

at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:640)

at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1310)

at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1256)

at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:339)

at com.study.demo.rocketmq.RocketProducer.main(RocketProducer.java:18)

服务器是虚拟机，防火墙关闭。