rabbitmq异常处理问题集_an unexpected connection driver error occurred (ex

3 消息丢列执行先后顺序的问题
下面的代码，一个创建公司，一个创建用户，如果在创建公司的时候判断用户是否存在，就会有问题，因为你以为的发送消息顺序，和数据库写入并不是一回事。

2 unack消息导致rabbitmq一直报错
rabbitmq中一条unacked的消息，导致后台疯狂刷日志。
暴力的解决方案是./rabbitmqctl purge_queue -p eayc user_register_acc，这个不行，就删掉队列。
可是这个只是临时方案。

1 rabbitmq访问不了An unexpected connection driver error occurred (Exception message: Socket closed)
看到这个问题，第一时间想到rabbitmq的问题，应该权限导致的
先创建virtual hosts

接着创建用户并赋予权限,将eayc的virtual hosts权限赋予acc用户即可

15:34:24.250 WARN  com.rabbitmq.client.impl.ForgivingExceptionHandler - An unexpected connection driver error occurred (Exception message: Socket closed)
15:34:24.254 ERROR c.w.e.u.controller.UserExceptionControllerAdvice - java.io.IOException
org.springframework.amqp.AmqpIOException: java.io.IOException
        at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:70)
        at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:602)
        at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:725)
        at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:252)
        at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2210)
        at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2183)
        at org.springframework.amqp.rabbit.core.RabbitTemplate.send(RabbitTemplate.java:1102)
        at org.springframework.amqp.rabbit.core.RabbitTemplate.convertAndSend(RabbitTemplate.java:1167)
        at org.springframework.amqp.rabbit.core.RabbitTemplate.convertAndSend(RabbitTemplate.java:1160)
        at com.whty.eayc.user.service.ext.impl.EaycCompanyExtServiceImpl.sendCompanyAddMsg(EaycCompanyExtServiceImpl.java:232)
        at com.whty.eayc.user.service.ext.impl.EaycCompanyExtServiceImpl.create(EaycCompanyExtServiceImpl.java:145)
        at com.whty.eayc.user.service.ext.impl.EaycCompanyExtServiceImpl$$FastClassBySpringCGLIB$$a9fb13a9.invoke(<generated>)
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:793)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763)
        at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:388)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763)
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:708)
        at com.whty.eayc.user.service.ext.impl.EaycCompanyExtServiceImpl$$EnhancerBySpringCGLIB$$4ce4fd0e.create(<generated>)
        at com.whty.eayc.user.controller.CompanyController.create(CompanyController.java:125)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1071)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:964)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:665)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:750)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at com.whty.framework.web.filter.CorsFilter.doFilter(CorsFilter.java:41)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
        at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:769)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:891)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1784)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: null
        at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:129)
        at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:125)
        at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:147)
        at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:439)
        at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1225)
        at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1173)
        at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:640)
        at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connect(AbstractConnectionFactory.java:615)
        at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:565)
        ... 76 common frames omitted
Caused by: com.rabbitmq.client.ShutdownSignalException: connection error; protocol method: #method<connection.close>(reply-code=530, reply-text=NOT_ALLOWED - vhost eayc not found, class-id=10, method-id=40)
        at com.rabbitmq.utility.ValueOrException.getValue(ValueOrException.java:66)
        at com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:36)
        at com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:502)
        at com.rabbitmq.client.impl.AMQChannel.privateRpc(AMQChannel.java:293)
        at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:141)
        ... 82 common frames omitted
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跟进后台日志

21:06:32.015 ERROR o.s.a.r.listener.SimpleMessageListenerContainer - Failed to check/redeclare auto-delete queue(s).
21:06:32.016 WARN  com.rabbitmq.client.impl.ForgivingExceptionHandler - An unexpected connection driver error occurred (Exception message: Socket closed)
21:06:32.021 INFO  o.s.a.rabbit.connection.CachingConnectionFactory - Attempting to connect to: [10.8.15.220:5672]
21:06:32.021 WARN  com.rabbitmq.client.impl.ForgivingExceptionHandler - An unexpected connection driver error occurred (Exception message: Socket closed)
21:06:32.027 WARN  com.rabbitmq.client.impl.ForgivingExceptionHandler - An unexpected connection driver error occurred (Exception message: Socket closed)
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