如果运行出现如下异常，可能创建的用户没有访问权限。
Exception in thread "main" java.io.IOException at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:106) at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:102) at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:124) at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:388) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:516) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:533) at cn.slimsmart.rabbitmq.demo.test.Test.main(Test.java:18) Caused by: com.rabbitmq.client.ShutdownSignalException: connection error; reason: java.net.SocketException: Connection reset at com.rabbitmq.utility.ValueOrException.getValue(ValueOrException.java:67) at com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:33) at com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:343) at com.rabbitmq.client.impl.AMQChannel.privateRpc(AMQChannel.java:216) at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:118) ... 4 more Caused by: java.net.SocketException: Connection reset at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at java.io.BufferedInputStream.fill(Unknown Source) at java.io.BufferedInputStream.read(Unknown Source) at java.io.DataInputStream.readUnsignedByte(Unknown Source) at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:95) at com.rabbitmq.client.impl.SocketFrameHandler.readFrame(SocketFrameHandler.java:131) at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:515) 需要对该用户进行授权，登录web控制台后，点击"admin"，进入需要授权的用户，在Admin标签页下点击新增的用户"admin"，进入授权页面，默认直接点击"set permission"即可
