org.apache.thrift~ java.net.SocketException:broken pipe in Cassandra keyspace -

i need create keyspace using cassandra-cli, when execute command

create keyspace "name" strategy_options={replication_factor:1};

i message:

org.apache.thrift.transport.ttransportexception 

the first time, second , next times try create get

org.apache.thrift.transport.tttransportexception: java.net.socketexception: broken pipe 

my java -version java(tm) se runtime enviroment (build 1.6.0_26-b03) java hotspot(tm) client vm (build 20.1-b02, mixed mode, sharing)

additional information:

when run command init.d/cassandra status following message:

xss = -ea -javaagent:/usr/share/cassandra/lib/jamm-0.2.5.jar -xx:+usethreadpriorities -xx:threadprioritypolicy=42 -xms505m -xmx505m -xmn100 -xx:+heapdumponoutofmemoryerror -xss256k [ ok ] cassandra running.