http://www.datastax.com/support-forums/topic/could-not-connect-cql-30 Software, Support, and Training for Apache Cassandra en-US Tue, 21 May 2013 19:22:37 +0000 http://bbpress.org/?v=1.0.3 q http://www.datastax.com/support-forums/search.php http://www.datastax.com/support-forums/topic/could-not-connect-cql-30#post-1770 Thu, 26 Apr 2012 23:02:34 +0000 Anonymous 1770@http://www.datastax.com/support-forums/ <p>Fixed. cql_version='3.0.0' , but not '3.0'.</p> <p>connection = cql.connect('vicqadw01', 9160, 'demo', cql_version='3.0.0') </p> http://www.datastax.com/support-forums/topic/could-not-connect-cql-30#post-1765 Wed, 25 Apr 2012 18:22:50 +0000 Anonymous 1765@http://www.datastax.com/support-forums/ <p>Here it is the error message:</p> <p>Python 2.6.5 (r265:79063, Feb 28 2011, 21:55:45)<br /> [GCC 4.1.2 20080704 (Red Hat 4.1.2-50)] on linux2<br /> Type "help", "copyright", "credits" or "license" for more information.<br /> &gt;&gt;&gt;<br /> &gt;&gt;&gt;<br /> &gt;&gt;&gt; import cql</p> <p>&gt;&gt;&gt; connection = cql.connect('localhost', cql_version='3.0')</p> <p>Traceback (most recent call last):<br /> File "&lt;stdin&gt;", line 1, in &lt;module&gt;<br /> File "/usr/lib/python2.6/site-packages/cql-1.0.10-py2.6.egg/cql/__init__.py", line 50, in connect<br /> return connection.Connection(host, port, keyspace, user, password, cql_version)<br /> File "/usr/lib/python2.6/site-packages/cql-1.0.10-py2.6.egg/cql/connection.py", line 55, in __init__<br /> self.client.set_cql_version(cql_version)<br /> File "/usr/lib/python2.6/site-packages/cql-1.0.10-py2.6.egg/cql/cassandra/Cassandra.py", line 1705, in set_cql_version<br /> self.recv_set_cql_version()<br /> File "/usr/lib/python2.6/site-packages/cql-1.0.10-py2.6.egg/cql/cassandra/Cassandra.py", line 1726, in recv_set_cql_version<br /> raise result.ire<br /> cql.cassandra.ttypes.InvalidRequestException: InvalidRequestException(why='Invalid version value: 3.0 (see <a href="http://semver.org/" rel="nofollow">http://semver.org/</a> for details)')</p> <p>It will work after remove parameter "cql_version":</p> <p>&gt;&gt;&gt; import cql<br /> &gt;&gt;&gt; connection = cql.connect(host='127.0.0.1', port=9160, keyspace='demo', user=None, password=None)<br /> &gt;&gt;&gt;</p> <p>Thanks,<br /> Charlie | DBA </p>