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我能夠毫無問題地啓動Cassandra 3，但cqlsh腳本未啓動。我使用的是CentOS 6，安裝的Python是2.7。這裏是錯誤信息：Cassandra中的CQL登錄錯誤
[[email protected] bin]$ cqlsh
Traceback (most recent call last):
File "/opt/cassandra/bin/cqlsh.py", line 168, in <module>
from cqlshlib import cql3handling, cqlhandling, pylexotron, sslhandling, cqlshhandling
File "/opt/cassandra/bin/../pylib/cqlshlib/sslhandling.py", line 20, in <module>
import ssl
File "/usr/local/lib/python2.7/ssl.py", line 60, in <module>
import _ssl # if we can't import it, let the error propagate
ImportError: No module named _ssl
請幫忙。
認爲 Sajith