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Date: Thu, 21 Apr 2016 01:26:25 +0000 (UTC)
From: "Stefania (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Commented] (CASSANDRA-11574) COPY FROM command in cqlsh
 throws error
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    [ https://issues.apache.org/jira/browse/CASSANDRA-11574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15251067#comment-15251067 ] 

Stefania commented on CASSANDRA-11574:
--------------------------------------

I'm really sorry but I cannot not reproduce this: not locally on my laptop running Ubuntu Trusty with python 2.7.6, nor on any of our CI servers, which run tests on Debian Jessie and Windows using Python 2.7. 

The line calling {{get_num_processes}} or its signature haven't changed since 3.0.4 but the implementation has. It's worth testing it, although by reading [the documentation|https://docs.python.org/2.7/reference/expressions.html#calls] I don't see why {{cap=16}} would cause this issue now and not previously.

It is safe to edit copyutil.py, no other changes or compilation is required:

{code}
-        copy_options['numprocesses'] = int(opts.pop('numprocesses', self.get_num_processes(cap=16)))
+        copy_options['numprocesses'] = int(opts.pop('numprocesses', self.get_num_processes(16)))
{code}

Would you mind testing this change to see if it fixes it? 

If this doesn't work, could you share your schema and a sample csv file, along with the full output obtained by running cqlsh with the {{--debug}} option?

> COPY FROM command in cqlsh throws error
> ---------------------------------------
>
>                 Key: CASSANDRA-11574
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11574
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>         Environment: Operating System: Ubuntu Server 14.04
> JDK: Oracle JDK 8 update 77
> Python: 2.7.6
>            Reporter: Mahafuzur Rahman
>            Assignee: Stefania
>             Fix For: 3.0.6
>
>
> Any COPY FROM command in cqlsh is throwing the following error:
> "get_num_processes() takes no keyword arguments"
> Example command: 
> COPY inboxdata (to_user_id,to_user_network,created_time,attachments,from_user_id,from_user_name,from_user_network,id,message,to_user_name,updated_time) FROM 'inbox.csv';
> Similar commands worked parfectly in the previous versions such as 3.0.4


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