似乎无法安装 Cassandra 软件包,马拉松卡在第 1/2 阶段的部署中,并且 dcos cassandra 子命令发出以下堆栈跟踪,任何帮助表示赞赏。
Traceback (most recent call last):
File "/home/azureuser/.dcos/subcommands/cassandra/env/bin/dcos-cassandra", line 5, in <module>
from pkg_resources import load_entry_point
File "/opt/mesosphere/lib/python3.4/site-packages/pkg_resources.py", line 2701, in <module>
parse_requirements(__requires__), Environment()
File "/opt/mesosphere/lib/python3.4/site-packages/pkg_resources.py", line 572, in resolve
raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: requests
Python version: Python 3.4.2
requests version : 1.8.1