2023-06-07 10:55:02.982 [main] ERROR com.alibaba.otter.canal.deployer.CanalLauncher - ## Something goes wrong when starting up the canal Server: com.alibaba.otter.canal.common.CanalException: Start RabbitMQ producer error Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_181] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_181] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_181] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_181] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_181] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_181] at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[na:na] at com.rabbitmq.client.impl.recovery.RecoveryAwareAMQConnectionFactory.newConnection(RecoveryAwareAMQConnectionFactory.java:62) ~[na:na]

根据你提供的错误信息，看起来是Canal Server在启动时连接RabbitMQ时出现了问题，可能是因为连接被拒绝。这可能是由于配置错误、网络问题或RabbitMQ服务未启动等原因导致的。建议检查Canal Server和RabbitMQ的配置，确保它们之间的连接是正确的，并确保RabbitMQ服务已启动。如果问题仍然存在，可能需要进一步排查网络连接或其他配置问题。