使用rabiitmq时，代码都一样就是不知道为什么一直子啊报错，接收端一直没有接收到消息，只会报错，错误如下：

2022 - 06 - 17 09 : 18 : 02.869 WARN 2576 -- - [ ntContainer# 0 - 1 ] o . s . a . s . c . Jackson2JsonMessageConverter : Could not convert incoming message with content - type [ application / x - java - serialized - object ] , 'json' keyword missing . 2022 - 06 - 17 09 : 18 : 02.870 WARN 2576 -- - [ ntContainer# 0 - 1 ] s . a . r . l . ConditionalRejectingErrorHandler : Execution of Rabbit message listener failed . org . springframework . amqp . rabbit . support . ListenerExecutionFailedException : Listener method could not be invoked with the incoming message Endpoint handler details : Method [ public void cn . com . sise . lab29_receiver . Receiver1 . r1 ( cn . com . sise . lab29_receiver . entity . Weather ) ] Bean [ cn . com . sise . lab29_receiver . Receiver1@ 455f 497e ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . invokeHandler ( MessagingMessageListenerAdapter . java : 266 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . invokeHandlerAndProcessResult ( MessagingMessageListenerAdapter . java : 208 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . onMessage ( MessagingMessageListenerAdapter . java : 147 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . doInvokeListener ( AbstractMessageListenerContainer . java : 1657 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . actualInvokeListener ( AbstractMessageListenerContainer . java : 1576 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . invokeListener ( AbstractMessageListenerContainer . java : 1564 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . doExecuteListener ( AbstractMessageListenerContainer . java : 1555 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . executeListener ( AbstractMessageListenerContainer . java : 1499 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer . doReceiveAndExecute ( SimpleMessageListenerContainer . java : 992 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer . receiveAndExecute ( SimpleMessageListenerContainer . java : 939 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer . access$ 1600 ( SimpleMessageListenerContainer . java : 84 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer$AsyncMessageProcessingConsumer . mainLoop ( SimpleMessageListenerContainer . java : 1316 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer$AsyncMessageProcessingConsumer . run ( SimpleMessageListenerContainer . java : 1222 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at java . lang . Thread . run ( Thread . java : 750 ) [ na : 1.8 . 0 _322 ] Caused by : org . springframework . messaging . converter . MessageConversionException : Cannot convert from [ [ B ] to [ cn . com . sise . lab29_receiver . entity . Weather ] for GenericMessage [ payload = byte [ 137 ] , headers = { amqp_receivedDeliveryMode = PERSISTENT , amqp_receivedExchange = weather - exchange , amqp_deliveryTag = 10 , amqp_consumerQueue = weather - queue1 , amqp_redelivered = false , id = e36339a0 - 75ff - 887 d - b45a - 8 ab645fac4fb , amqp_consumerTag = amq . ctag - q91lt5hjU8dmPHVCHF7x7w , amqp_lastInBatch = false , contentType = application / x - java - serialized - object , timestamp = 1655428682869 } ] at org . springframework . messaging . handler . annotation . support . PayloadMethodArgumentResolver . resolveArgument ( PayloadMethodArgumentResolver . java : 145 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . messaging . handler . invocation . HandlerMethodArgumentResolverComposite . resolveArgument ( HandlerMethodArgumentResolverComposite . java : 118 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . messaging . handler . invocation . InvocableHandlerMethod . getMethodArgumentValues ( InvocableHandlerMethod . java : 147 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . messaging . handler . invocation . InvocableHandlerMethod . invoke ( InvocableHandlerMethod . java : 115 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . amqp . rabbit . listener . adapter . HandlerAdapter . invoke ( HandlerAdapter . java : 75 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . invokeHandler ( MessagingMessageListenerAdapter . java : 262 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] . . . 13 common frames omitted 2022 - 06 - 17 09 : 18 : 02.871 WARN 2576 -- - [ ntContainer# 0 - 1 ] ingErrorHandler$DefaultExceptionStrategy : Fatal message conversion error ; message rejected ; it will be dropped or routed to a dead letter exchange , if so configured : ( Body : '[serialized object]' MessageProperties [ headers = { } , contentType = application / x - java - serialized - object , contentLength = 0 , receivedDeliveryMode = PERSISTENT , priority = 0 , redelivered = false , receivedExchange = weather - exchange , receivedRoutingKey = , deliveryTag = 10 , consumerTag = amq . ctag - q91lt5hjU8dmPHVCHF7x7w , consumerQueue = weather - queue1 ] ) 2022 - 06 - 17 09 : 18 : 02.872 ERROR 2576 -- - [ ntContainer# 0 - 1 ] o . s . a . r . l . SimpleMessageListenerContainer : Execution of Rabbit message listener failed , and the error handler threw an exception org . springframework . amqp . AmqpRejectAndDontRequeueException : Error Handler converted exception to fatal at org . springframework . amqp . rabbit . listener . ConditionalRejectingErrorHandler . handleError ( ConditionalRejectingErrorHandler . java : 146 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . invokeErrorHandler ( AbstractMessageListenerContainer . java : 1461 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . handleListenerException ( AbstractMessageListenerContainer . java : 1745 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . executeListener ( AbstractMessageListenerContainer . java : 1520 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer . doReceiveAndExecute ( SimpleMessageListenerContainer . java : 992 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer . receiveAndExecute ( SimpleMessageListenerContainer . java : 939 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer . access$ 1600 ( SimpleMessageListenerContainer . java : 84 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer$AsyncMessageProcessingConsumer . mainLoop ( SimpleMessageListenerContainer . java : 1316 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . SimpleMessageListenerContainer$AsyncMessageProcessingConsumer . run ( SimpleMessageListenerContainer . java : 1222 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at java . lang . Thread . run ( Thread . java : 750 ) [ na : 1.8 . 0 _322 ] Caused by : org . springframework . amqp . rabbit . support . ListenerExecutionFailedException : Listener method could not be invoked with the incoming message Endpoint handler details : Method [ public void cn . com . sise . lab29_receiver . Receiver1 . r1 ( cn . com . sise . lab29_receiver . entity . Weather ) ] Bean [ cn . com . sise . lab29_receiver . Receiver1@ 455f 497e ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . invokeHandler ( MessagingMessageListenerAdapter . java : 266 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . invokeHandlerAndProcessResult ( MessagingMessageListenerAdapter . java : 208 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . onMessage ( MessagingMessageListenerAdapter . java : 147 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . doInvokeListener ( AbstractMessageListenerContainer . java : 1657 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . actualInvokeListener ( AbstractMessageListenerContainer . java : 1576 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . invokeListener ( AbstractMessageListenerContainer . java : 1564 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . doExecuteListener ( AbstractMessageListenerContainer . java : 1555 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . AbstractMessageListenerContainer . executeListener ( AbstractMessageListenerContainer . java : 1499 ) [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] . . . 6 common frames omitted Caused by : org . springframework . messaging . converter . MessageConversionException : Cannot convert from [ [ B ] to [ cn . com . sise . lab29_receiver . entity . Weather ] for GenericMessage [ payload = byte [ 137 ] , headers = { amqp_receivedDeliveryMode = PERSISTENT , amqp_receivedExchange = weather - exchange , amqp_deliveryTag = 10 , amqp_consumerQueue = weather - queue1 , amqp_redelivered = false , id = e36339a0 - 75ff - 887 d - b45a - 8 ab645fac4fb , amqp_consumerTag = amq . ctag - q91lt5hjU8dmPHVCHF7x7w , amqp_lastInBatch = false , contentType = application / x - java - serialized - object , timestamp = 1655428682869 } ] at org . springframework . messaging . handler . annotation . support . PayloadMethodArgumentResolver . resolveArgument ( PayloadMethodArgumentResolver . java : 145 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . messaging . handler . invocation . HandlerMethodArgumentResolverComposite . resolveArgument ( HandlerMethodArgumentResolverComposite . java : 118 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . messaging . handler . invocation . InvocableHandlerMethod . getMethodArgumentValues ( InvocableHandlerMethod . java : 147 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . messaging . handler . invocation . InvocableHandlerMethod . invoke ( InvocableHandlerMethod . java : 115 ) ~ [ spring - messaging - 5.3 . 20. jar : 5.3 . 20 ] at org . springframework . amqp . rabbit . listener . adapter . HandlerAdapter . invoke ( HandlerAdapter . java : 75 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] at org . springframework . amqp . rabbit . listener . adapter . MessagingMessageListenerAdapter . invokeHandler ( MessagingMessageListenerAdapter . java : 262 ) ~ [ spring - rabbit - 2.4 . 5. jar : 2.4 . 5 ] . . . 13 common frames omitted

问题在于服务器启动类上的这个注解，要换成原始的注解才可以

换成或者注解就运行成功辣~

【已解决】Could not convert incoming message with content-type [application/x-java-serialized-object]Exec 解决错误：ErrorHandler$DefaultExceptionStrategy : Fatal message conversion error; message rejected; it will be dropped or routed to a dead letter exchang public Object from Message ( Message message ) throws Message ConversionException { Object content = null; Message Properties properties = message .get Message Properti... 虽然说发现我打脸了，只要 Spring -Amqp大于1.6就能 解决 ，我在思路1中提出的第二个问题。但是咱们研究技术，不只是为了 解决 问题，还得有点自己的追求，提升自己的技术（其实是大活说出去了，不撞南墙不回头，并且已经有思路了，这个思路不落地总感觉憋屈），咱们要为 Spring -Amqp小于1.6的 解决 这个问题。 Spring -Amqp1.4 之前，没有@RabbitListener，所以要是想监听队列，常用的有两种方式， 一种是在 Xml 中配置 <rabbit:listener-contai Error querying database. Cause: org.apache.ibatis.reflection.ReflectionException: There is no gette 【已解决】Could not convert incoming message with content-type [application/x-java-serialized-object]Exec Error querying database. Cause: org.apache.ibatis.reflection.ReflectionException: There is no gette qq_45803140: 我也是粗心了hhh python 安装库报错 ERROR: Exception: Traceback (most recent call last) m0_69469254: 说的太好了！！！！！！！！！！！！！！！！！！试了超级超级超级超级多遍，看完这个直接成功！！！！！！！！！太感动了！！！！！！！！！！！！！！ python 安装库报错 ERROR: Exception: Traceback (most recent call last) tiq2020: 感谢感谢感谢