Unable to open cqlsh Apache cassandra - ImportError: No module named cqlshlib

Question

I am new to cassandra ! Have downloaded the apacahe cassandra 2.1.2 package and initialy was able to connect to cqlsh but then after installing CCM i am unable to connect ,

Answer 1

I have spent nearly 1 day to solve this problem. The reason is that there is a mismatch between /usr/lib/python2.7/site-packages/ and /usr/local/lib/python2.7/site-packages/ (for my specific folder tree).

The command to use is as the following:

mv /usr/lib/python2.7/site-packages/* /usr/local/lib/python2.7/site-packages/
rmdir /usr/lib/python2.7/site-packages
ln -s /usr/local/lib/python2.7/site-packages /usr/lib/python2.7/site-packages

I guess you will find 2 /site-packages/ also.

Just for reference for others.

Answer 2

I have tried their ways, but failed. And I think cqlsh just cannot find the exact path to cqlshlib.so;

I solved it this way:

• Centos6.7 ,
• datastax3.9,

• my cqlshlib path:/usr/local/lib/python2.7/site-packages/

  vim /usr/bin/cqlsh.py

and add the path of cqlshlib after import sys, the file looks like:

...
import sys
...
from uuid import UUID
sys.path.append("/usr/local/lib/python2.7/site-packages") #add this sentence`

Then I execute cqlsh, it works.