SpringCloud uses RabbitMQ to report error ACCESS_REFUSED

< H2 > configuration file < / H2 >

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rabbitmq-web

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< H2 > error log < / H2 > 
java.net.SocketException: Socket Closed
    at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_171]
    at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) ~[na:1.8.0_171]
    at java.net.SocketInputStream.read(SocketInputStream.java:171) ~[na:1.8.0_171]
    at java.net.SocketInputStream.read(SocketInputStream.java:141) ~[na:1.8.0_171]
    at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) ~[na:1.8.0_171]
    at java.io.BufferedInputStream.read(BufferedInputStream.java:265) ~[na:1.8.0_171]
    at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:288) ~[na:1.8.0_171]
    at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:91) ~[amqp-client-5.1.2.jar:5.1.2]
    at com.rabbitmq.client.impl.SocketFrameHandler.readFrame(SocketFrameHandler.java:164) ~[amqp-client-5.1.2.jar:5.1.2]
    at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:580) ~[amqp-client-5.1.2.jar:5.1.2]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_171]

2018-07-09 11:36:23.707  WARN 8824 --- [on(8)-127.0.0.1] o.s.b.a.amqp.RabbitHealthIndicator       : Rabbit health check failed

org.springframework.amqp.AmqpAuthenticationException: com.rabbitmq.client.AuthenticationFailureException: ACCESS_REFUSED - Login was refused using authentication mechanism PLAIN. For details see the broker logfile.
    at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:65) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:476) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:614) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:240) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:1797) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1771) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1752) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    at org.springframework.boot.actuate.amqp.RabbitHealthIndicator.getVersion(RabbitHealthIndicator.java:48) ~[spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.amqp.RabbitHealthIndicator.doHealthCheck(RabbitHealthIndicator.java:44) ~[spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:84) ~[spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.health.CompositeHealthIndicator.health(CompositeHealthIndicator.java:68) [spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:47) [spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
    at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:223) [spring-core-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:76) [spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:61) [spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:104) [spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:93) [spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_171]
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_171]
    at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) [na:1.8.0_171]
    at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) [na:1.8.0_171]
    at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) [na:1.8.0_171]
    at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401) [na:1.8.0_171]
    at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) [na:1.8.0_171]
    at sun.reflect.GeneratedMethodAccessor123.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
    at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) [na:1.8.0_171]
    at sun.rmi.transport.Transport$1.run(Transport.java:200) [na:1.8.0_171]
    at sun.rmi.transport.Transport$1.run(Transport.java:197) [na:1.8.0_171]
    at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_171]
    at sun.rmi.transport.Transport.serviceCall(Transport.java:196) [na:1.8.0_171]
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) [na:1.8.0_171]
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:835) [na:1.8.0_171]
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) [na:1.8.0_171]
    at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_171]
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) [na:1.8.0_171]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_171]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_171]
    at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_171]
Caused by: 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:351) ~[amqp-client-5.1.2.jar:5.1.2]
    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:957) ~[amqp-client-5.1.2.jar:5.1.2]
    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:907) ~[amqp-client-5.1.2.jar:5.1.2]
    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:847) ~[amqp-client-5.1.2.jar:5.1.2]
    at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:449) ~[spring-rabbit-2.0.3.RELEASE.jar:2.0.3.RELEASE]
    ... 42 common frames omitted

could you tell me how to solve this error?

Rabbitmq springcloud spring
Mar.24,2021

the first thing you can confirm is that you need to set the Topic permissions permission of the user. Just click set Topic permissions , but there is no problem with my permission setting, and there will still be this problem. If you have solved it, please provide a solution.
resolved: solution the author's own solution was not successful, but I succeeded . For specific reasons, please see official document for details. Remember one thing this time, the official document is the first reference.

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e95b6b-157b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e95b6b-157b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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