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From Mark Lilback <mlilb...@stat.wvu.edu>
Subject problems getting started with Cassandra & Ruby
Date Mon, 11 Apr 2011 17:54:08 GMT
I'm trying to connect to Cassandra from a Ruby script. I'm using rvm, and made a clean install
of Ruby 1.9.2 and then did "gem install cassandra". When I run a script that just contains
"require 'cassandra/0.7'", I get the output below. Any suggestion on what I need to do to
get rid of these warnings?


/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/server/nonblocking_server.rb:80:
warning: `&' interpreted as argument prefix
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old skip
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:235:
warning: previous definition of skip was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_message_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:57:
warning: previous definition of write_message_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_struct_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:59:
warning: previous definition of write_struct_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_struct_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:63:
warning: previous definition of write_struct_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_field_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:69:
warning: previous definition of write_field_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_map_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:79:
warning: previous definition of write_map_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_list_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:85:
warning: previous definition of write_list_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_set_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:91:
warning: previous definition of write_set_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_message_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:125:
warning: previous definition of read_message_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_struct_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:127:
warning: previous definition of read_struct_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_struct_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:131:
warning: previous definition of read_struct_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_field_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:137:
warning: previous definition of read_field_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_map_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:143:
warning: previous definition of read_map_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_list_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:149:
warning: previous definition of read_list_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_set_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:155:
warning: previous definition of read_set_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old native?
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/base_protocol.rb:48:
warning: previous definition of native? was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/struct.rb:95: warning:
previous definition of write was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/struct.rb:83: warning:
previous definition of read was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/union.rb:69: warning:
previous definition of write was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/union.rb:56: warning:
previous definition of read was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_message_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:103:
warning: previous definition of write_message_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_field_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:121:
warning: previous definition of write_field_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_field_stop
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:156:
warning: previous definition of write_field_stop was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_map_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:160:
warning: previous definition of write_map_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_list_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:169:
warning: previous definition of write_list_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_set_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:173:
warning: previous definition of write_set_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_byte
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:189:
warning: previous definition of write_byte was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_bool
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:177:
warning: previous definition of write_bool was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_i16
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:193:
warning: previous definition of write_i16 was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_i32
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:197:
warning: previous definition of write_i32 was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_i64
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:201:
warning: previous definition of write_i64 was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_double
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:205:
warning: previous definition of write_double was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_string
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:209:
warning: previous definition of write_string was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_struct_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:111:
warning: previous definition of write_struct_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write_struct_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:116:
warning: previous definition of write_struct_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_message_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:214:
warning: previous definition of read_message_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_field_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:242:
warning: previous definition of read_field_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_map_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:274:
warning: previous definition of read_map_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_list_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:280:
warning: previous definition of read_list_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_set_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:290:
warning: previous definition of read_set_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_byte
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:304:
warning: previous definition of read_byte was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_bool
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:294:
warning: previous definition of read_bool was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_i16
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:313:
warning: previous definition of read_i16 was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_i32
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:317:
warning: previous definition of read_i32 was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_i64
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:321:
warning: previous definition of read_i64 was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_double
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:325:
warning: previous definition of read_double was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_string
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:331:
warning: previous definition of read_string was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_struct_begin
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:232:
warning: previous definition of read_struct_begin was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read_struct_end
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/protocol/compact_protocol.rb:237:
warning: previous definition of read_struct_end was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old write
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/transport/memory_buffer_transport.rb:73:
warning: previous definition of write was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift_native.bundle: warning:
method redefined; discarding old read
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/thrift-0.5.0/lib/thrift/transport/memory_buffer_transport.rb:59:
warning: previous definition of read was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/vendor/0.7/gen-rb/cassandra_types.rb:679:
warning: mismatched indentations at 'end' with 'module' at 8
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/vendor/0.7/gen-rb/cassandra_constants.rb:12:
warning: mismatched indentations at 'end' with 'module' at 9
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/time.rb:3: warning:
method redefined; discarding old stamp
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/simple_uuid-0.1.2/lib/simple_uuid.rb:2: warning:
previous definition of stamp was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/time.rb:7: warning:
method redefined; discarding old stamp
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/simple_uuid-0.1.2/lib/simple_uuid.rb:6: warning:
previous definition of stamp was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/columns.rb:19:
warning: shadowing outer local variable - cfdef
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/columns.rb:6:
warning: method redefined; discarding old is_super
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/columns.rb:7: warning:
previous definition of is_super was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/columns.rb:10:
warning: method redefined; discarding old column_name_class
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/columns.rb:11: warning:
previous definition of column_name_class was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/columns.rb:14:
warning: method redefined; discarding old sub_column_name_class
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/columns.rb:15: warning:
previous definition of sub_column_name_class was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/columns.rb:18:
warning: method redefined; discarding old column_family_property
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/columns.rb:30: warning:
previous definition of column_family_property was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/cassandra.rb:7:
warning: method redefined; discarding old login!
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/cassandra.rb:97:
warning: previous definition of login! was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/cassandra.rb:13:
warning: method redefined; discarding old inspect
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/cassandra.rb:103:
warning: previous definition of inspect was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/cassandra.rb:24:
warning: method redefined; discarding old keyspaces
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/cassandra.rb:93:
warning: previous definition of keyspaces was here
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/cassandra.rb:28:
warning: method redefined; discarding old schema
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/0.7/cassandra.rb:167:
warning: method redefined; discarding old batch
/Users/admin/.rvm/gems/ruby-1.9.2-p180/gems/cassandra-0.9.1/lib/cassandra/cassandra.rb:250:
warning: previous definition of batch was here


-- 
Mark Lilback
West Virginia University Department of Statistics
mlilback@stat.wvu.edu



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