我正在尝试连接这个在开放班次上运行的兔子MQ实例，但是因连接错误而失败。
org.springframework.amqp.AmqpTimeoutException: java.util.concurrent.TimeoutException
at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:74) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:371) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:573) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:1430) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1411) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1387) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:336) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.redeclareElementsIfNecessary(SimpleMessageListenerContainer.java:1171) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1422) [spring-rabbit-1.7.4.RELEASE.jar:na]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_131]
Caused by: java.util.concurrent.TimeoutException: null
at com.rabbitmq.utility.BlockingCell.get(BlockingCell.java:77) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.utility.BlockingCell.uninterruptibleGet(BlockingCell.java:120) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:36) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:372) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:297) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:909) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:859) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:799) ~[amqp-client-4.0.3.jar:4.0.3]
at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:352) ~[spring-rabbit-1.7.4.RELEASE.jar:na]
... 8 common frames omitted
2017-12-15 11:30:23.688 ERROR 9136 --- [.62.234.34:5672] c.r.c.impl.ForgivingExceptionHandler : An unexpected connection driver error occured
java.net.SocketException: Socket Closed
at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_131]
at java.net.SocketInputStream.socketRead(Unknown Source) ~[na:1.8.0_131]
at java.net.SocketInputStream.read(Unknown Source) ~[na:1.8.0_131]
at java.net.SocketInputStream.read(Unknown Source) ~[na:1.8.0_131]
at java.io.BufferedInputStream.fill(Unknown Source) ~[na:1.8.0_131]
at java.io.BufferedInputStream.read(Unknown Source) ~[na:1.8.0_131]
at java.io.DataInputStream.readUnsignedByte(Unknown Source) ~[na:1.8.0_131]
at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:91) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.client.impl.SocketFrameHandler.readFrame(SocketFrameHandler.java:164) ~[amqp-client-4.0.3.jar:4.0.3]
at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:571) ~[amqp-client-4.0.3.jar:4.0.3]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_131]
有人可以提供任何形式的帮助。 提前致谢。