org.springframework.amqp.AmqpConnectException: java.net.ConnectException: 拒绝连接 (Connection refused)

这个异常通常是由于连接 RabbitMQ 服务失败所导致的。可能的原因有：

1. RabbitMQ 服务未启动或未正确配置。
2. RabbitMQ 服务的端口号不正确。
3. 防火墙或安全组未开放 RabbitMQ 服务的端口。
4. 与 RabbitMQ 服务连接的用户名或密码不正确。

您可以检查以上原因，以确定问题的具体原因并进行相应的修复。

相关问题

org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect

The error "org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect" occurs when a connection cannot be established between the client and the RabbitMQ server.

There could be several reasons for this error:

1. The RabbitMQ server is not running or is not reachable from the client machine.
2. The port on which the RabbitMQ server is running is blocked by a firewall.
3. The connection string or credentials provided are incorrect.

To resolve this issue, you can try the following steps:

1. Verify that the RabbitMQ server is running and reachable from the client machine.
2. Check if the port on which the RabbitMQ server is running is accessible from the client machine. You can use telnet to check if the port is open.
3. Verify that the connection string and credentials provided are correct.
4. Ensure that there are no network issues between the client and server machines.

If the issue persists, you may need to consult the RabbitMQ documentation or seek assistance from a RabbitMQ expert.

org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused

这个错误提示表明在连接 RabbitMQ 时出现了连接异常，具体原因是连接被拒绝。这可能是由于 RabbitMQ 服务器未启动或配置不正确导致的。解决此问题的方法是检查 RabbitMQ 服务器是否正在运行，并确保在应用程序中正确配置了 RabbitMQ 的连接信息。您可以检查应用程序的配置文件，如上面提到的 application.yml 文件，以确保 RabbitMQ 的连接信息正确。如果问题仍然存在，您可以尝试重新启动 RabbitMQ 服务器或联系管理员以获取更多帮助。