On Wed, 2010-03-10 at 14:33 +0000, Matteo Caprari wrote: > I get an exception, but it's a shy one and can't figure out what is > that I'm doing wrong. > > Thanks. > > Traceback (most recent call last): > File "test-migrate.py", line 23, in <module> > client.batch_mutate('KS', m, ConsistencyLevel.ONE) > File > "/Users/dikappa/Documents/workspace/likelike/python/cassandra/Cassandra.py", > line 771, in batch_mutate > self.recv_batch_mutate() > File > "/Users/dikappa/Documents/workspace/likelike/python/cassandra/Cassandra.py", > line 784, in recv_batch_mutate > (fname, mtype, rseqid) = self._iprot.readMessageBegin() > File > "build/bdist.macosx-10.6-i386/egg/thrift/protocol/TBinaryProtocol.py", > line 126, in readMessageBegin > File > "build/bdist.macosx-10.6-i386/egg/thrift/protocol/TBinaryProtocol.py", > line 203, in readI32 > File > "build/bdist.macosx-10.6-i386/egg/thrift/transport/TTransport.py", > line 58, in readAll > File > "build/bdist.macosx-10.6-i386/egg/thrift/transport/TTransport.py", > line 155, in read > File "build/bdist.macosx-10.6-i386/egg/thrift/transport/TSocket.py", > line 94, in read > thrift.transport.TTransport.TTransportException: None
I believe this simply means that the read didn't return a response. Start by checking the cassandra logs to see if there are any exceptions, and double check your connection parameters, network setup, etc. -- Eric Evans eev...@rackspace.com