部署应用失败: Error: 执行命令失败: Error: Command failed: Cloning into '/mnt/avos/data/uluru-cloud-code/repos/6lqfj4umlh3wbp61mod0gdv644rxrz3fztzadqyjh9paedfc/repos/1434415307537'...
ssh_exchange_identification: Connection closed by remote host
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

ssh_exchange_identification: Connection closed by remote host
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

问题很明显,git clone 代码时无法连接到远端服务器,确认你有正确的权限或者仓库存在。
可能是 git 仓库临时有些问题,过一段时间再试试看。