ImportError: No module named cqlshlib

[Zakaria Hili]

I installed Cassandra 2.2.6 I want to run cqlsh (CQL interactive terminal of cassandra), but if I tried to run the command line :

cqlsh

I receive the error

  File "/usr/bin/cqlsh.py", line 165, in <module>
    from cqlshlib import cql3handling, cqlhandling, pylexotron, sslhandling
ImportError: No module named cqlshlib

NB: I tried cassandra 3.0 and I got the same error, but I have no problem with cassandra 2.1 (I don't want to use Cassandra 2.1 because it doesn't support many queries):

com.impetus.kundera.configure.schema.SchemaGenerationException: Composite/Compound columns are not yet supported over Super column family by Cassandra

I tried to use python 2.6 and 2.7.6, but no result

My OS: centos 6.7

[Alan Boudreault]

Hello Zakaria,

Can you give us more information on how Cassandra has been installed? Did you use a rpm package? Are you using Cassandra only or DSE?

Regards,

Alan

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[Zakaria Hili]

Hi Alan,

I installed cassandra using command line :

yum install dsc22

[Zakaria Hili]

for your question about dse, yes I'm using datastax entreprise

regards,

zakaria

Le vendredi 13 mai 2016 11:20:24 UTC+2, Zakaria Hili a écrit :

[Michael Shuler]

If you have a way to run on CentOS-7.0 or later, you should have no issues with cqlsh. cqlsh/cqlshlib require python-2.7, even though there is no dependency on it in the rpm packages. This was done to allow installation on older CentOS/RHEL versions, but then you need to work out python problems on your own, essentially. If you absolutely have no other option but to use CentOS-6, I understand the most successful way to install python-2.7 is to use the SDL packages. Once installed, you activate the python-2.7 installation and you get a chroot and functional python-2.7 install. I don't know a ton about it, but I've had issues going down this route, too. Centos-7 "just works", so that's my suggestion.

[Erik Hoekstra]

Try to simlink the python 2.7 lib mismatch

/usr/lib/python2.7/site-packages
vs
/usr/local/lib/python2.7/site-packages

The following worked for me:

# cqlsh
Traceback (most recent call last):
  File "/usr/bin/cqlsh.py", line 167, in <module>

    from cqlshlib import cql3handling, cqlhandling, pylexotron, sslhandling
ImportError: No module named cqlshlib

cd /usr/lib/python2.7/
mv * /usr/local/lib/python2.7/site-packages/
rm -R site-packages
ln -s /usr/local/lib/python2.7/site-packages ./


# cqlsh
Connected to Test Cluster at 127.0.0.1:9042.
[cqlsh 5.0.1 | Cassandra 3.6.0 | CQL spec 3.4.2 | Native protocol v4]
Use HELP for help.
cqlsh>



Op maandag 16 mei 2016 18:38:23 UTC+2 schreef Michael Shuler: