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From Ryan King <r...@twitter.com>
Subject Re: Newbie question about connecting to a cassandra server from another server using Fauna
Date Mon, 06 Dec 2010 21:18:49 GMT
It would help if you give us more context. The code snippet you've
given us is incomplete and not very helpful.

-ryan

On Mon, Dec 6, 2010 at 12:33 PM, Alberto Velandia
<betovelandia@gmail.com> wrote:
> Hi I've successfully managed to connect to the server through the
> cassandra-cli command but still no luck on doing it from Fauna, I'm running
> cassandra 0.6.8 and I did the usual require 'cassandra'
> I've changed the ThriftAddress on the storage-conf.xml to the IP address of
> the server itself, do I need to change anything else?
> Thanks once again
> On Dec 6, 2010, at 3:15 PM, Aaron Morton wrote:
>
> You can run the cassandra-cli from any machine. If you run it from the same
> machine as your ruby code it's a reliable way to check you can connect to
> the cluster.
> ok, next set of questions....
> - what version of cassandra are you using ? Is it 0.7?
> - what require did you run ? was it require 'cassandra/0.7' ? see the Usage
> section https://github.com/fauna/cassandra for details.
>   Cassandra 0.7 defaults to frames transport, 0.6 does not.
> Aaron
> On 07 Dec, 2010,at 09:07 AM, Alberto Velandia <betovelandia@gmail.com>
> wrote:
>
> I've tried the keyspaces() function and got this on return:
>  compass.keyspaces()
> CassandraThrift::Cassandra::Client::TransportException:
> CassandraThrift::Cassandra::Client::TransportException
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/thrift-0.2.0.4/lib/thrift/transport/socket.rb:53:in
> `rescue in open'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/thrift-0.2.0.4/lib/thrift/transport/socket.rb:36:in
> `open'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/thrift-0.2.0.4/lib/thrift/transport/buffered_transport.rb:37:in
> `open'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/thrift_client-0.5.0/lib/thrift_client/connection/socket.rb:11:in
> `connect!'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/thrift_client-0.5.0/lib/thrift_client/abstract_thrift_client.rb:82:in
> `connect!'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/thrift_client-0.5.0/lib/thrift_client/abstract_thrift_client.rb:110:in
> `handled_proxy'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/thrift_client-0.5.0/lib/thrift_client/abstract_thrift_client.rb:57:in
> `get_string_property'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/cassandra-0.8.2/lib/cassandra/cassandra.rb:302:in
> `all_nodes'
> from
> /home/compass/.rvm/gems/ruby-19.2-p0@rails3/gems/cassandra-0.8.2/lib/cassandra/cassandra.rb:285:in
> `reconnect!'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/cassandra-0.8.2/lib/cassandra/cassandra.rb:280:in
> `client'
> from
> /home/compass/.rvm/gems/ruby-1.9.2-p0@rails3/gems/cassandra-0.8.2/lib/cassandra/cassandra.rb:86:in
> `keyspaces'
> from (irb):4
> from /home/compass/.rvm/rubies/ruby-1.9.2-p0/bin/irb:16:in `<main>'
>
> about the cassandra-cli, should I run the command on the server from which
> I'm trying to connect?
> Thanks for the help
> On Dec 6, 2010, at 2:52 PM, Aaron Morton wrote:
>
> What function are you calling to get data and what is the error ?
> Try calling a function like keyspaces(), it should return a list of the
> keyspaces in your cluster  and is a good way to test things are connected.
>
> If there is still no joy check you can connect to your cluster using the
> cassandra-cli command line app located in cassandra/bin
> Aaron
> On 07 Dec, 2010,at 08:46 AM, Alberto Velandia <betovelandia@gmail.com>
> wrote:
>
> Hi I'm trying to create a connection to a server running cassandra doing
> this:
> compass = Cassandra.new('Compas', servers="223.798.456.123:9160")
> But once I try to get some data I realize that there's no connection, any
> ideas?? I'm I missing something ?
> Thanks
>
>
>

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