Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@cassandra.apache.org
Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates
 209.85.215.172 as permitted sender)
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:in-reply-to:references:date:message-id:subject:from:to
         :content-type:content-transfer-encoding;
        b=cr8DE7rzFiNRE3W7pAPP2Jnbfyf3HI14KeMpnjnZDfmnonM25DCGymFbpoKoJ/1GO0
         zFyRVqPS7QBhj0rvrtpfNHX5UEt5MGKfvkGZBkcbBe6GHDmy6gBnZHFPrgRrosrinv1o
         KEcmbCrkZDXLUUDcBnWNQqV96xkROXW9gLcYI=
MIME-Version: 1.0
In-Reply-To: <9F83B51B5E3935419B14FC2D1436FC0947EF5A2E@xchange.eutechnyx.com>
References: <9F83B51B5E3935419B14FC2D1436FC0947EF59CF@xchange.eutechnyx.com>
	<AANLkTi=1vkojabqD+NpVOOoWdcR5pAmbSdeGz=1Rt-N9@mail.gmail.com>
	<9F83B51B5E3935419B14FC2D1436FC0947EF5A2E@xchange.eutechnyx.com>
Date: Tue, 9 Nov 2010 12:19:57 -0600
Message-ID: <AANLkTinRArOtCT7XnPunHbVQdzx1P7npzwHCsdRVVUaS@mail.gmail.com>
Subject: Re: Cassandra - python communication problem
From: Jonathan Ellis <jbellis@gmail.com>
To: user <user@cassandra.apache.org>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

python_cassandra-0.6.1 sure doesn't look like a package I'd expect to
work with 0.7.

On Tue, Nov 9, 2010 at 12:07 PM, Dr. Andrew Perella <ajp@eutechnyx.com> wro=
te:
> Thanks Jonathan,
> So it looks like the python bindings are using a deprecated non framed pr=
otocol. Leaving that problem aside for a moment I changed the server to wor=
k in non framed mode and now get a different error:
>
>
> vu@vs001:~/apache-cassandra-0.7.0-beta3/interface/gen-py/cassandra$ Cassa=
ndra-remote =A0-h localhost:9160 describe_keyspace systemTraceback (most re=
cent call last):
> =A0File "/usr/local/bin/Cassandra-remote", line 5, in <module>
> =A0 =A0pkg_resources.run_script('python-cassandra=3D=3D0.6.1', 'Cassandra=
-remote')
> =A0File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 461, in=
 run_script
> =A0 =A0self.require(requires)[0].run_script(script_name, ns)
> =A0File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 1194, i=
n run_script
> =A0 =A0execfile(script_filename, namespace, namespace)
> =A0File "/usr/local/lib/python2.6/dist-packages/python_cassandra-0.6.1-py=
2.6.egg/EGG-INFO/scripts/Cassandra-remote", line 204, in <module>
> =A0 =A0pp.pprint(client.describe_keyspace(args[0],))
> =A0File "/usr/local/lib/python2.6/dist-packages/python_cassandra-0.6.1-py=
2.6.egg/cassandra/Cassandra.py", line 1006, in describe_keyspace
> =A0 =A0return self.recv_describe_keyspace()
> =A0File "/usr/local/lib/python2.6/dist-packages/python_cassandra-0.6.1-py=
2.6.egg/cassandra/Cassandra.py", line 1030, in recv_describe_keyspace
> =A0 =A0raise TApplicationException(TApplicationException.MISSING_RESULT, =
"describe_keyspace failed: unknown result");
> thrift.Thrift.TApplicationException: describe_keyspace failed: unknown re=
sult
>
> Any ideas?
> Cheers,
> Andrew
>
> -----Original Message-----
> From: Jonathan Ellis [mailto:jbellis@gmail.com]
> Sent: 09 November 2010 17:56
> To: user
> Subject: Re: Cassandra - python communication problem
>
> You're using an unframed transport to talk to a framed server, or vice ve=
rsa.
>
> On Tue, Nov 9, 2010 at 11:47 AM, Dr. Andrew Perella <ajp@eutechnyx.com> w=
rote:
>> Hi,
>>
>>
>>
>> I have been trying to connect to Cassandra 0.7.0-beta3 via python to no
>> avail:
>>
>>
>>
>> vu@vs001:~/apache-cassandra-0.7.0-beta3/interface/gen-py/cassandra$
>> Cassandra-remote=A0 -h localhost:9160 describe_keyspace system
>>
>> Traceback (most recent call last):
>>
>> =A0 File "/usr/local/bin/Cassandra-remote", line 5, in <module>
>>
>> =A0=A0=A0 pkg_resources.run_script('python-cassandra=3D=3D0.6.1', 'Cassa=
ndra-remote')
>>
>> =A0 File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 461, =
in
>> run_script
>>
>> =A0=A0=A0 self.require(requires)[0].run_script(script_name, ns)
>>
>> =A0 File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 1194,=
 in
>> run_script
>>
>> =A0=A0=A0 execfile(script_filename, namespace, namespace)
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/python_cassandra-0.6.1-py2.6.egg=
/EGG-INFO/scripts/Cassandra-remote",
>> line 204, in <module>
>>
>> =A0=A0=A0 pp.pprint(client.describe_keyspace(args[0],))
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/python_cassandra-0.6.1-py2.6.egg=
/cassandra/Cassandra.py",
>> line 1006, in describe_keyspace
>>
>> =A0=A0=A0 return self.recv_describe_keyspace()
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/python_cassandra-0.6.1-py2.6.egg=
/cassandra/Cassandra.py",
>> line 1017, in recv_describe_keyspace
>>
>> =A0=A0=A0 (fname, mtype, rseqid) =3D self._iprot.readMessageBegin()
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.=
egg/thrift/protocol/TBinaryProtocol.py",
>> line 126, in readMessageBegin
>>
>> =A0=A0=A0 sz =3D self.readI32()
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.=
egg/thrift/protocol/TBinaryProtocol.py",
>> line 203, in readI32
>>
>> =A0=A0=A0 buff =3D self.trans.readAll(4)
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.=
egg/thrift/transport/TTransport.py",
>> line 58, in readAll
>>
>> =A0=A0=A0 chunk =3D self.read(sz-have)
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.=
egg/thrift/transport/TTransport.py",
>> line 155, in read
>>
>> =A0=A0=A0 self.__rbuf =3D StringIO(self.__trans.read(max(sz, self.DEFAUL=
T_BUFFER)))
>>
>> =A0 File
>> "/usr/local/lib/python2.6/dist-packages/Thrift-0.2.0-py2.6-linux-x86_64.=
egg/thrift/transport/TSocket.py",
>> line 94, in read
>>
>> =A0=A0=A0 raise TTransportException(type=3DTTransportException.END_OF_FI=
LE,
>> message=3D'TSocket read 0 bytes')
>>
>> thrift.transport.TTransport.TTransportException: TSocket read 0 bytes
>>
>>
>>
>> I get similar errors for all queries.
>>
>>
>>
>> I cannot work out what is going wrong here. Can anyone help? (I need man=
y of
>> the functions only added in 0.7)
>>
>>
>>
>> Best Regards,
>>
>> Andrew
>>
>>
>>
>>
>>
>> This e-mail is confidential and may be privileged. It may be read, copie=
d
>> and used only by the intended recipient. No communication sent by e-mail=
 to
>> or from Eutechnyx is intended to give rise to contractual or other legal
>> liability, apart from liability which cannot be excluded under English l=
aw.
>>
>> This email has been scanned for all known viruses by www.epagency.net.
>>
>> www.eutechnyx.com Eutechnyx Limited. Registered in England No: 2172322
>
>
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of Riptano, the source for professional Cassandra support
> http://riptano.com
> This email has been scanned for all known viruses by the Email Protection=
 Agency.
> This e-mail is confidential and may be privileged. It may be read, copied=
 and used only by the intended recipient. No communication sent by e-mail t=
o or from Eutechnyx is intended to give rise to contractual or other legal =
liability, apart from liability which cannot be excluded under English law.
>
> This email has been scanned for all known viruses by the Email Protection=
 Agency. http://www.epagency.net
>
>
> www.eutechnyx.com Eutechnyx Limited. Registered in England No: 2172322
>


--=20
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com