Rabbitmq安装及连接错误问题_com.rabbitmq.client.connectionfactory$1$$externals

Rabbitmq连接测试以及本地报错问题

• • • • • 1、如果写错了host （如：factory.setHost(“locathost”); ）报错
        • • 2 、如果写错了HOST的IP（如：factory.setHost(“192.168.1.10”); ）无此地址， 报错：
          • 3、如果写错端口PORT（如：factory.setPort(5678);） 报错：
          • 4、如果写错用户名或者密码，报错：
        • 5、解决方法

本人在学习spingcloud的时候，学习到消息总线时遇到的问题，
首先需要安装下载Rabbitmq
借鉴这位博主的文章： https://blog.csdn.net/newbie_907486852/article/details/79788471
添加用户修改密码： http://www.cnblogs.com/fjzhang/p/8403979.html

我的配置：

host:也可以写成127.0.0.1本机端口。远程请写成自己本地的端口
就是因为我自己新添加的用户没有修改权限就出现了第三种错误：

找了好多资料，看到了这个：
https://blog.csdn.net/java_xiaobin/article/details/46964805

1、如果写错了host （如：factory.setHost(“locathost”); ）报错

Exception in thread “main” java.net.UnknownHostException: locathost
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.aaa.test.Send.main(Send.java:19)

2 、如果写错了HOST的IP（如：factory.setHost(“192.168.1.10”); ）无此地址， 报错：

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)

3、如果写错端口PORT（如：factory.setPort(5678);） 报错：

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.aaa.test.Send.main(Send.java:19)

4、如果写错用户名或者密码，报错：

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)

5、解决方法

1.首先点击用户
图片:

2.点击自己注册的用户名
图片：

3.点击Set permission进行授权
图片：

嗯哼，完成！