RabbitMQ在SpringBoot项目中集成消息总线的时候启动报错java.io.IOException

 最近在springboot整合rabbitmq，进行消息总线配置的时候，启动项目报错：org.springframework.amqp.AmqpIOException: java.io.IOException，详细报错如下

org.springframework.amqp.AmqpIOException: java.io.IOException
	at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:71) ~[spring-rabbit-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:510) ~[spring-rabbit-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:751) ~[spring-rabbit-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:215) ~[spring-rabbit-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2085) ~[spring-rabbit-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2058) ~[spring-rabbit-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2038) ~[spring-rabbit-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.boot.actuate.amqp.RabbitHealthIndicator.getVersion(RabbitHealthIndicator.java:49) ~[spring-boot-actuator-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.boot.actuate.amqp.RabbitHealthIndicator.doHealthCheck(RabbitHealthIndicator.java:44) ~[spring-boot-actuator-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:82) ~[spring-boot-actuator-2.2.2.RELEASE.jar:2.2.2.RELEASE]
	at org.springframewo