raise RedisClusterException("ERROR sending 'cluster slots' command to redis server: {0}".format(node)) rediscluster.exceptions.RedisClusterException: ERROR sending 'cluster slots' command to redis server: {'host': 'redis-cluster.infrastructure', 'port': '6379'}

这个错误是由RedisClusterException引发的，提示发送"cluster slots"命令到Redis服务器时出错。错误消息显示无法与名为'redis-cluster.infrastructure'，端口号为'6379'的Redis服务器建立连接。可能的原因是Redis服务器地址或端口号配置错误，或者服务器无法访问。

解决此问题的步骤如下：

1. 确保Redis服务器的地址和端口号正确。可以通过检查配置文件或与系统管理员确认来获取正确的地址和端口号。

2. 检查网络连接是否正常。确保您的计算机可以与Redis服务器建立连接。您可以尝试使用telnet命令或其他网络工具来测试连接。

3. 确保Redis服务器正在运行。您可以尝试通过终端或管理工具连接到Redis服务器，以验证它是否正在正常运行。

4. 如果您正在使用集群模式，请确保集群配置正确，并且所有节点都可访问。

如果仍然遇到问题，请提供更多详细信息，例如您的配置文件或其他相关信息，以便我能够更好地帮助您解决问题。

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