我在ec2示例上使用kafka。kafka集群具有单节点、三个代理和一些复制因子为3的主题。zookeeper正在独立模式下运行。几个小时后，我无法ssh到我的机器。我每次都要重新启动它。
无法找出问题所在。感谢您的帮助！！编辑：使用ssh-v:

OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug1: Connecting to ec2-[ip].compute-1.amazonaws.com [ip] port 22.
debug1: connect to address [ip] port 22: Connection refused
ssh: connect to host ec2-[ip].compute-1.amazonaws.com port 22: Connection refused