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From Daniel Bernstein <dbernst...@archive.org>
Subject Re: NoServer Available
Date Thu, 29 Jul 2010 03:49:34 GMT
Thanks for the help Aaron.

I sorted it out: the problem was that I was using the latest version of
pycassa against cassandra 0.6.x.

When I downloaded the 0.3.0 pycassa and used the previous api, all worked
properly.

Cheers,

db


On Wed, Jul 28, 2010 at 2:44 PM, Aaron Morton <aaron@thelastpickle.com>wrote:

> Just checking the obvious, your connecting to the local host so is this
> code running on one of the machines with the cassandra installed ?
>
> Second, assuming your using the current git hub source, put a break point
> in connection.py at line 191
> to see what the actual error is when it tries to connect.
>
> Aaron
>
>
> On 28 Jul, 2010,at 07:26 AM, Daniel Bernstein <dbernstein@archive.org>
> wrote:
>
> I've set up a 2 node cluster and I'm trying to connect using pycassa.
>
> My thrift address is set to the default:  localhost:9160
>
> I've verified that the port is open and I'm able to connect to it via
> telnet.
>
> My keyspace "Ananda" is defined as is the column family "URL" in
> storage.xml
>
> Running the following commands locally, I get this:
>
>
> >>> client = pycassa.connect("Ananda", ['127.0.0.1:9160'],timeout=3.5)
> >>> cf = pycassa.ColumnFamily(client, "URL")
> >>> cf.insert("foo", {"bar":"value"})
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "pycassa/columnfamily.py", line 332, in insert
>     self._wcl(write_consistency_level))
>   File "pycassa/connection.py", line 164, in _client_call
>     conn = self._ensure_connection()
>   File "pycassa/connection.py", line 175, in _ensure_connection
>     conn = self.connect()
>   File "pycassa/connection.py", line 193, in connect
>     return self.connect()
>   File "pycassa/connection.py", line 186, in connect
>     server = self._servers.get()
>   File "pycassa/connection.py", line 136, in get
>     raise NoServerAvailable()
> pycassa.connection.NoServerAvailable
>
>
> NB: When I try to connect without any timeout, it just hangs.
> When I shutdown cassandra, it fails immediately (rather than failing in 3.5
> seconds when I use a timeout).
>
> Any help would be much appreciated.
>
> --Daniel
>
>

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