When running, an error log is generated about every an hour:Caused by: java.net.ConnectException: Connection refused: connect #6141

SitD4C · 2022-10-18T03:16:34Z

SitD4C
Oct 18, 2022

[2022-10-18 10:19:41.966] [WARN]-[]-[]-[]-[]- com.rabbitmq.client.impl.ForgivingExceptionHandler.log(ForgivingExceptionHandler.java:115) - An unexpected connection driver error occured (Exception message: Connection reset)
[2022-10-18 10:19:42.87] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.killOrRestart(SimpleMessageListenerContainer.java:1431) - Restarting Consumer@4feb3a95: tags=[[amq.ctag-bi11YbCeOpCb8syNV0HK6w]], channel=Cached Rabbit Channel: PublisherCallbackChannelImpl: AMQChannel(amqp://[email protected]:5672/,1), conn: Proxy@5b3a4c43 Shared Rabbit Connection: SimpleConnection@2e9650a5 [delegate=amqp://[email protected]:5672/, localPort= 61010], acknowledgeMode=MANUAL local queue size=0
[2022-10-18 10:19:42.92] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:19:42.134] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.killOrRestart(SimpleMessageListenerContainer.java:1431) - Restarting Consumer@f5d8a37: tags=[[amq.ctag-2zOUF48oE5dSECZAZe3GTQ]], channel=Cached Rabbit Channel: PublisherCallbackChannelImpl: AMQChannel(amqp://[email protected]:5672/,2), conn: Proxy@5b3a4c43 Shared Rabbit Connection: null, acknowledgeMode=MANUAL local queue size=0
[2022-10-18 10:19:43.316] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:19:43.316] [ERROR]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1909) - Failed to check/redeclare auto-delete queue(s).
org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
	at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:61) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:602) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:724) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createBareChannel(CachingConnectionFactory.java:675) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.getCachedChannelProxy(CachingConnectionFactory.java:649) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.getChannel(CachingConnectionFactory.java:539) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.access$1600(CachingConnectionFactory.java:99) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory$ChannelCachingConnectionProxy.createChannel(CachingConnectionFactory.java:1413) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2171) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2138) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2118) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueInfo(RabbitAdmin.java:407) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:391) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.attemptDeclarations(AbstractMessageListenerContainer.java:1922) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1903) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.initialize(SimpleMessageListenerContainer.java:1349) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1195) [spring-rabbit-2.3.13.jar:2.3.13]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_272]
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[?:1.8.0_272]
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_272]
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.8.0_272]
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_272]
	at java.net.Socket.connect(Socket.java:607) ~[?:1.8.0_272]
	at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1220) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1170) ~[amqp-client-5.12.0.jar:5.12.0]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:640) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connect(AbstractConnectionFactory.java:615) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:565) ~[spring-rabbit-2.3.13.jar:2.3.13]
	... 16 more
[2022-10-18 10:19:44.512] [ERROR]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1909) - Failed to check/redeclare auto-delete queue(s).
org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
	at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:61) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:602) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:724) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:252) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2165) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2138) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2118) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueInfo(RabbitAdmin.java:407) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:391) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.attemptDeclarations(AbstractMessageListenerContainer.java:1922) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1903) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.initialize(SimpleMessageListenerContainer.java:1349) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1195) [spring-rabbit-2.3.13.jar:2.3.13]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_272]
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[?:1.8.0_272]
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_272]
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.8.0_272]
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_272]
	at java.net.Socket.connect(Socket.java:607) ~[?:1.8.0_272]
	at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1220) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1170) ~[amqp-client-5.12.0.jar:5.12.0]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:640) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connect(AbstractConnectionFactory.java:615) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:565) ~[spring-rabbit-2.3.13.jar:2.3.13]
	... 12 more
[2022-10-18 10:19:44.516] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:19:45.713] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:19:50.953] [WARN]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.logConsumerException(SimpleMessageListenerContainer.java:1452) - Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
[2022-10-18 10:19:50.954] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.killOrRestart(SimpleMessageListenerContainer.java:1431) - Restarting Consumer@3ef1f527: tags=[[]], channel=null, acknowledgeMode=MANUAL local queue size=0
[2022-10-18 10:19:51.378] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:19:51.986] [WARN]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.logConsumerException(SimpleMessageListenerContainer.java:1452) - Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
[2022-10-18 10:19:51.994] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.killOrRestart(SimpleMessageListenerContainer.java:1431) - Restarting Consumer@1798a387: tags=[[]], channel=null, acknowledgeMode=MANUAL local queue size=0
[2022-10-18 10:19:52.646] [ERROR]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1909) - Failed to check/redeclare auto-delete queue(s).
org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
	at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:61) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:602) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:724) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:252) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2165) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2138) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2118) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueInfo(RabbitAdmin.java:407) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:391) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.attemptDeclarations(AbstractMessageListenerContainer.java:1922) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1903) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.initialize(SimpleMessageListenerContainer.java:1349) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1195) [spring-rabbit-2.3.13.jar:2.3.13]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_272]
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[?:1.8.0_272]
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_272]
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.8.0_272]
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_272]
	at java.net.Socket.connect(Socket.java:607) ~[?:1.8.0_272]
	at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1220) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1170) ~[amqp-client-5.12.0.jar:5.12.0]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:640) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connect(AbstractConnectionFactory.java:615) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:565) ~[spring-rabbit-2.3.13.jar:2.3.13]
	... 12 more
[2022-10-18 10:19:52.648] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:19:54.10] [ERROR]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1909) - Failed to check/redeclare auto-delete queue(s).
org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
	at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:61) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:602) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:724) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:252) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2165) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2138) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2118) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueInfo(RabbitAdmin.java:407) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:391) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.attemptDeclarations(AbstractMessageListenerContainer.java:1922) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1903) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.initialize(SimpleMessageListenerContainer.java:1349) [spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1195) [spring-rabbit-2.3.13.jar:2.3.13]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_272]
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[?:1.8.0_272]
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_272]
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_272]
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.8.0_272]
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_272]
	at java.net.Socket.connect(Socket.java:607) ~[?:1.8.0_272]
	at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1220) ~[amqp-client-5.12.0.jar:5.12.0]
	at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1170) ~[amqp-client-5.12.0.jar:5.12.0]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:640) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connect(AbstractConnectionFactory.java:615) ~[spring-rabbit-2.3.13.jar:2.3.13]
	at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:565) ~[spring-rabbit-2.3.13.jar:2.3.13]
	... 12 more
[2022-10-18 10:19:54.12] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:19:55.364] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:20:00.799] [WARN]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.logConsumerException(SimpleMessageListenerContainer.java:1452) - Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
[2022-10-18 10:20:00.800] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.killOrRestart(SimpleMessageListenerContainer.java:1431) - Restarting Consumer@547c55ff: tags=[[]], channel=null, acknowledgeMode=MANUAL local queue size=0
[2022-10-18 10:20:01.46] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:638) - Attempting to connect to: [x.x.x.x:5672]
[2022-10-18 10:20:01.284] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:589) - Created new connection: rabbitConnectionFactory#2e27325d:156/SimpleConnection@1c70a479 [delegate=amqp://[email protected]:5672/, localPort= 50681]
[2022-10-18 10:20:01.287] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.core.RabbitAdmin.initialize(RabbitAdmin.java:591) - Auto-declaring a non-durable, auto-delete, or exclusive Queue (fieldOnlineQueue-xwGSq7UNQJidzpppIDXmAQ) durable:false, auto-delete:true, exclusive:true. It will be redeclared if the broker stops and is restarted while the connection factory is alive, but all messages will be lost.
[2022-10-18 10:20:01.678] [WARN]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.logConsumerException(SimpleMessageListenerContainer.java:1452) - Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect
[2022-10-18 10:20:01.679] [INFO]-[]-[]-[]-[]- org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.killOrRestart(SimpleMessageListenerContainer.java:1431) - Restarting Consumer@666f4814: tags=[[]], channel=null, acknowledgeMode=MANUAL local queue size=0

Application Exception

Then it would auto reconnect
Please ask, what is the reason?

RabbitMQ 3.8.1
Erlang 22.2.6

Answered by michaelklishin

Oct 19, 2022

We have explained the methodoglogy and what the "unexpected TCP connection closure" message means.

We won't be able to help you identify why your application may fail to connect, or what clients
abruptly close connections or why. Please use the methodology document to narrow down what's
going on in your system.

View full answer

lukebakken · 2022-10-18T03:24:20Z

lukebakken
Oct 18, 2022
Maintainer

Just so you know, both your RabbitMQ and Erlang versions are out-of-date and unsupported.

It would be useful to know what RabbitMQ logs at the same time that this exception occurs. Please provide that.

My guess is that you have a network device between your application and RabbitMQ that is closing the TCP connection.

3 replies

SitD4C Oct 19, 2022
Author

2022-10-18 10:17:28.950 [info] <0.1309.0> accepting AMQP connection <0.1309.0> (x.x.x.x:58560 -> x.x.x.x:5672)
2022-10-18 10:17:28.983 [info] <0.1309.0> Connection <0.1309.0> (x.x.x.x:58560 -> x.x.x.x:5672) has a client-provided name: rabbitConnectionFactory#467421cc:1
2022-10-18 10:17:29.016 [info] <0.1309.0> connection <0.1309.0> (x.x.x.x:58560 -> x.x.x.x:5672 - rabbitConnectionFactory#467421cc:1): user 'xxxx' authenticated and granted access to vhost '/'
2022-10-18 10:18:55.384 [info] <0.1309.0> closing AMQP connection <0.1309.0> (x.x.x.x:58560 -> x.x.x.x:5672 - rabbitConnectionFactory#467421cc:1, vhost: '/', user: 'xxxx')
2022-10-18 10:19:45.259 [info] <0.1513.0> accepting AMQP connection <0.1513.0> (x.x.x.x:58698 -> x.x.x.x:5672)
2022-10-18 10:19:45.306 [info] <0.1513.0> Connection <0.1513.0> (x.x.x.x:58698 -> x.x.x.x:5672) has a client-provided name: rabbitConnectionFactory#63b2418e:0
2022-10-18 10:19:45.353 [info] <0.1513.0> connection <0.1513.0> (x.x.x.x:58698 -> x.x.x.x:5672 - rabbitConnectionFactory#63b2418e:0): user 'xxxx' authenticated and granted access to vhost '/'
2022-10-18 10:26:51.240 [warning] <0.675.0> closing AMQP connection <0.675.0> (x.x.x.x:58351 -> x.x.x.x:5672 - rabbitConnectionFactory#5c6be812:616, vhost: '/', user: 'xxxx'):
client unexpectedly closed TCP connection
2022-10-18 10:29:44.954 [info] <0.1513.0> closing AMQP connection <0.1513.0> (x.x.x.x:58698 -> x.x.x.x:5672 - rabbitConnectionFactory#63b2418e:0, vhost: '/', user: 'xxxx')
2022-10-18 10:30:32.553 [info] <0.2267.0> accepting AMQP connection <0.2267.0> (x.x.x.x:59307 -> x.x.x.x:5672)
2022-10-18 10:30:32.595 [info] <0.2267.0> Connection <0.2267.0> (x.x.x.x:59307 -> x.x.x.x:5672) has a client-provided name: rabbitConnectionFactory#63b2418e:0
2022-10-18 10:30:32.632 [info] <0.2267.0> connection <0.2267.0> (x.x.x.x:59307 -> x.x.x.x:5672 - rabbitConnectionFactory#63b2418e:0): user 'xxxx' authenticated and granted access to vhost '/'
2022-10-18 10:31:43.816 [info] <0.2366.0> accepting AMQP connection <0.2366.0> (x.x.x.x:49522 -> x.x.x.x:5672)
2022-10-18 10:31:43.828 [info] <0.2366.0> Connection <0.2366.0> (x.x.x.x:49522 -> x.x.x.x:5672) has a client-provided name: rabbitConnectionFactory#3fed0c04:0
2022-10-18 10:31:43.835 [info] <0.2366.0> connection <0.2366.0> (x.x.x.x:49522 -> x.x.x.x:5672 - rabbitConnectionFactory#3fed0c04:0): user 'xxxx' authenticated and granted access to vhost '/'
2022-10-18 10:33:05.759 [info] <0.2366.0> closing AMQP connection <0.2366.0> (x.x.x.x:49522 -> x.x.x.x:5672 - rabbitConnectionFactory#3fed0c04:0, vhost: '/', user: 'xxxx')
2022-10-18 10:33:51.663 [info] <0.2537.0> accepting AMQP connection <0.2537.0> (x.x.x.x:49790 -> x.x.x.x:5672)
2022-10-18 10:33:51.676 [info] <0.2537.0> Connection <0.2537.0> (x.x.x.x:49790 -> x.x.x.x:5672) has a client-provided name: rabbitConnectionFactory#9d7a853:0
2022-10-18 10:33:51.684 [info] <0.2537.0> connection <0.2537.0> (x.x.x.x:49790 -> x.x.x.x:5672 - rabbitConnectionFactory#9d7a853:0): user 'xxxx' authenticated and granted access to vhost '/'
2022-10-18 10:38:51.687 [error] <0.2537.0> closing AMQP connection <0.2537.0> (x.x.x.x:49790 -> x.x.x.x:5672 - rabbitConnectionFactory#9d7a853:0):
missed heartbeats from client, timeout: 60s
2022-10-18 10:41:32.641 [error] <0.2267.0> closing AMQP connection <0.2267.0> (x.x.x.x:59307 -> x.x.x.x:5672 - rabbitConnectionFactory#63b2418e:0):
missed heartbeats from client, timeout: 60s
2022-10-18 10:51:58.579 [info] <0.3731.0> accepting AMQP connection <0.3731.0> (x.x.x.x:57843 -> x.x.x.x:5672)
2022-10-18 10:51:58.581 [info] <0.3731.0> Connection <0.3731.0> (x.x.x.x:57843 -> x.x.x.x:5672) has a client-provided name: rabbitConnectionFactory#9d7a853:1
2022-10-18 10:51:58.583 [info] <0.3731.0> connection <0.3731.0> (x.x.x.x:57843 -> x.x.x.x:5672 - rabbitConnectionFactory#9d7a853:1): user 'xxxx' authenticated and granted access to vhost '/'
2022-10-18 10:54:36.026 [info] <0.3918.0> accepting AMQP connection <0.3918.0> (x.x.x.x:60433 -> x.x.x.x:5672)
2022-10-18 10:54:36.063 [info] <0.3918.0> Connection <0.3918.0> (x.x.x.x:60433 -> x.x.x.x:5672) has a client-provided name: rabbitConnectionFactory#63b2418e:1
2022-10-18 10:54:36.100 [info] <0.3918.0> connection <0.3918.0> (x.x.x.x:60433 -> x.x.x.x:5672 - rabbitConnectionFactory#63b2418e:1): user 'xxxx' authenticated and granted access to vhost '/'

SitD4C Oct 19, 2022
Author

and

2022-10-14 12:48:41.369 [warning] <0.495.0> RabbitMQ HTTP listener registry could not find context rabbitmq_management_tls
2022-10-14 12:48:41.374 [info] <0.342.0> Peer discovery backend rabbit_peer_discovery_classic_config does not support registration, skipping unregistration.
2022-10-14 12:48:41.374 [info] <0.489.0> stopped TCP listener on [::]:5672
2022-10-14 12:48:41.375 [error] <0.683.0> Error on AMQP connection <0.683.0> (x.x.x.x:55934 -> x.x.x.x:5672 - rabbitConnectionFactory#6da14f7f:8, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 12:48:41.375 [error] <0.700.0> Error on AMQP connection <0.700.0> (x.x.x.x:57712 -> x.x.x.x:5672 - rabbitConnectionFactory#7945986a:24, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 12:48:41.375 [error] <0.658.0> Error on AMQP connection <0.658.0> (x.x.x.x:52637 -> x.x.x.x:5672 - rabbitConnectionFactory#3b28ab9b:8, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 12:48:41.375 [error] <0.742.0> Error on AMQP connection <0.742.0> (x.x.x.x:54750 -> x.x.x.x:5672 - rabbitConnectionFactory#5c6be812:8, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 12:48:41.375 [error] <0.738.0> Error on AMQP connection <0.738.0> (x.x.x.x:61554 -> x.x.x.x:5672 - rabbitConnectionFactory#2e27325d:11, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 12:48:41.375 [error] <0.717.0> Error on AMQP connection <0.717.0> (x.x.x.x:55488 -> x.x.x.x:5672 - rabbitConnectionFactory#31921151:171, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 12:48:41.375 [error] <0.768.0> Error on AMQP connection <0.768.0> (x.x.x.x:4661 -> x.x.x.x:5672 - rabbitConnectionFactory#6dbe6891:7, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 12:48:41.375 [error] <0.655.0> Error on AMQP connection <0.655.0> (x.x.x.x:53102 -> x.x.x.x:5672 - rabbitConnectionFactory#5b53c3c5:532, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
 
2022-10-14 13:43:24.509 [info] <0.4190.0> connection <0.4190.0> (x.x.x.x:63512 -> x.x.x.x:5672 - rabbitConnectionFactory#8aafd70:0): user 'xxxx' authenticated and granted access to vhost '/'
2022-10-14 13:46:24.510 [error] <0.4190.0> closing AMQP connection <0.4190.0> (x.x.x.x:63512 -> x.x.x.x:5672 - rabbitConnectionFactory#8aafd70:0):
missed heartbeats from client, timeout: 60s
2022-10-14 13:48:55.616 [info] <0.65.0> SIGTERM received - shutting down
2022-10-14 13:48:55.619 [warning] <0.495.0> RabbitMQ HTTP listener registry could not find context rabbitmq_management_tls
2022-10-14 13:48:55.625 [info] <0.342.0> Peer discovery backend rabbit_peer_discovery_classic_config does not support registration, skipping unregistration.
2022-10-14 13:48:55.625 [info] <0.489.0> stopped TCP listener on [::]:5672
2022-10-14 13:48:55.626 [error] <0.759.0> Error on AMQP connection <0.759.0> (x.x.x.x:65189 -> x.x.x.x:5672 - rabbitConnectionFactory#31921151:178, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.2858.0> Error on AMQP connection <0.2858.0> (x.x.x.x:62852 -> x.x.x.x:5672 - rabbitConnectionFactory#62d21afd:888, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.696.0> Error on AMQP connection <0.696.0> (x.x.x.x:53579 -> x.x.x.x:5672 - rabbitConnectionFactory#5b53c3c5:539, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.676.0> Error on AMQP connection <0.676.0> (x.x.x.x:60729 -> x.x.x.x:5672 - rabbitConnectionFactory#5c6be812:15, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.693.0> Error on AMQP connection <0.693.0> (x.x.x.x:1550 -> x.x.x.x:5672 - rabbitConnectionFactory#6dbe6891:14, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.707.0> Error on AMQP connection <0.707.0> (x.x.x.x:59582 -> x.x.x.x:5672 - rabbitConnectionFactory#3b28ab9b:15, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.728.0> Error on AMQP connection <0.728.0> (x.x.x.x:49562 -> x.x.x.x:5672 - rabbitConnectionFactory#6da14f7f:15, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.784.0> Error on AMQP connection <0.784.0> (x.x.x.x:55714 -> x.x.x.x:5672 - rabbitConnectionFactory#2e27325d:20, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.626 [error] <0.654.0> Error on AMQP connection <0.654.0> (x.x.x.x:56201 -> x.x.x.x:5672 - rabbitConnectionFactory#7945986a:31, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 13:48:55.628 [error] <0.725.0> Supervisor {<0.725.0>,rabbit_channel_sup_sup} had child channel_sup started with rabbit_channel_sup:start_link() at undefined exit with reason shutdown in context shutdown_error
2022-10-14 13:48:55.629 [error] <0.658.0> Supervisor {<0.658.0>,rabbit_channel_sup_sup} had child channel_sup started with rabbit_channel_sup:start_link() at undefined exit with reason shutdown in context shutdown_error
2022-10-14 13:48:55.629 [info] <0.415.0> Closing all connections in vhost '/' on node 'rabbit@ctumhispra00004' because the vhost is stopping

2022-10-14 14:49:09.866 [info] <0.65.0> SIGTERM received - shutting down
2022-10-14 14:49:09.869 [warning] <0.495.0> RabbitMQ HTTP listener registry could not find context rabbitmq_management_tls
2022-10-14 14:49:09.874 [info] <0.336.0> Peer discovery backend rabbit_peer_discovery_classic_config does not support registration, skipping unregistration.
2022-10-14 14:49:09.874 [info] <0.489.0> stopped TCP listener on [::]:5672
2022-10-14 14:49:09.875 [error] <0.2168.0> Error on AMQP connection <0.2168.0> (x.x.x.x:58253 -> x.x.x.x:5672 - rabbitConnectionFactory#2f98fe6f:0, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.683.0> Error on AMQP connection <0.683.0> (x.x.x.x:51359 -> x.x.x.x:5672 - rabbitConnectionFactory#31921151:185, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.758.0> Error on AMQP connection <0.758.0> (x.x.x.x:62787 -> x.x.x.x:5672 - rabbitConnectionFactory#7945986a:38, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.689.0> Error on AMQP connection <0.689.0> (x.x.x.x:63405 -> x.x.x.x:5672 - rabbitConnectionFactory#3b28ab9b:22, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.793.0> Error on AMQP connection <0.793.0> (x.x.x.x:56640 -> x.x.x.x:5672 - rabbitConnectionFactory#5b53c3c5:546, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.3383.0> Error on AMQP connection <0.3383.0> (x.x.x.x:64442 -> x.x.x.x:5672 - rabbitConnectionFactory#6d387e9b:0, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.686.0> Error on AMQP connection <0.686.0> (x.x.x.x:58268 -> x.x.x.x:5672 - rabbitConnectionFactory#6da14f7f:22, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.654.0> Error on AMQP connection <0.654.0> (x.x.x.x:50153 -> x.x.x.x:5672 - rabbitConnectionFactory#2e27325d:29, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.875 [error] <0.740.0> Error on AMQP connection <0.740.0> (x.x.x.x:51681 -> x.x.x.x:5672 - rabbitConnectionFactory#62d21afd:895, vhost: '/', user: 'xxxx', state: running), channel 0:
 operation none caused a connection exception connection_forced: "broker forced connection closure with reason 'shutdown'"
2022-10-14 14:49:09.878 [info] <0.415.0> Closing all connections in vhost '/' on node 'rabbit@ctumhispra00004' because the vhost is stopping

michaelklishin Oct 19, 2022
Maintainer

I'm not sure what the question is. client unexpectedly closed TCP connection is documented in the logging guide.

michaelklishin · 2022-10-18T06:30:02Z

michaelklishin
Oct 18, 2022
Maintainer

Something tries to connect using Spring AMQP and that connection fails. We recommend a specific methodology for troubleshooting connectivity issues effectively.

0 replies

michaelklishin · 2022-10-19T07:04:24Z

michaelklishin
Oct 19, 2022
Maintainer

We have explained the methodoglogy and what the "unexpected TCP connection closure" message means.

We won't be able to help you identify why your application may fail to connect, or what clients
abruptly close connections or why. Please use the methodology document to narrow down what's
going on in your system.

0 replies

michaelklishin · 2022-10-19T07:05:03Z

michaelklishin
Oct 19, 2022
Maintainer

missed heartbeats from client, timeout: 60s has a dedicated documentation guide on heartbeats.

0 replies

michaelklishin · 2022-10-19T07:06:34Z

michaelklishin
Oct 19, 2022
Maintainer

Finally, RabbitMQ 3.8.1 is a fine version from three years ago that is 34 patch releases behind in an out-of-support release series. Consider upgrading.

0 replies

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When running, an error log is generated about every an hour:Caused by: java.net.ConnectException: Connection refused: connect #6141

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