CentOS7环境下安装RabbitMQ，请参看http://t.cn/RCtrQey
RabbitMQ-Java版本生产与消费，请参看http://t.cn/RCtd249
RabbitMQ：四种ExChange用法，请参看http://t.cn/RCxR801
1、如果Host是一个域名，且写错了（如：factory.setHost("www.xxxxxxxx.com"); ）报错信息如下：
Exception in thread "main" Java.NET.UnknownHostException: www.xxxxxxxx.com
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:195)
at java.Net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at com.rabbitmq.client.impl.FrameHandlerFactory.create(FrameHandlerFactory.java:32)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:588)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:612)
at com.chisalsoft.TestRabbitMQ.main(TestRabbitMQ .java:15)
2、如果Host是一个IP，且写错了（如：factory.setHost("192.168.1.180"); ）报错信息如下：
Exception in thread "main" java.net.ConnectException: Connection timed out: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at com.rabbitmq.client.impl.FrameHandlerFactory.create(FrameHandlerFactory.java:32)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:588)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:612)
at com.chisalsoft.TestRabbitMQ.main(TestRabbitMQ .java:15)
3、如果写错端口（如：factory.setPort(5678);） 报错信息如下：
Exception in thread "main" java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at com.rabbitmq.client.impl.FrameHandlerFactory.create(FrameHandlerFactory.java:32)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:588)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:612)
at com.chisalsoft.TestRabbitMQ.main(TestRabbitMQ .java:16)
4、如果写错用户名或密码，报错信息如下：
Exception in thread "main" com.rabbitmq.client.AuthenticationFailureException: ACCESS_REFUSED - Login was refused using authentication mechanism PLAIN. For details see the broker logfile.
at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:338)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:590)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:612)
at com.aaa.test.Send.main(Send.java:19)
