我创建了一个openshift originv3.9集群，启用了指标，数据存储在cassandra数据库中，我试图访问运行cassandra数据库的主机端口。我收到以下错误：
[root@master]# cqlsh xx.xx.xx.xx 9042
Traceback (most recent call last):
File "/usr/bin/cqlsh", line 2131, in <module>
main(*read_options(sys.argv[1:], os.environ))
File "/usr/bin/cqlsh", line 2114, in main
single_statement=options.execute)
File "/usr/bin/cqlsh", line 497, in __init__
password=password, cql_version=cqlver, transport=transport)
File "/usr/share/cassandra/lib/cql-internal-only-1.4.2.zip/cql-1.4.2/cql/connection.py", line 143, in connect
File "/usr/share/cassandra/lib/cql-internal-only-1.4.2.zip/cql-1.4.2/cql/connection.py", line 59, in __init__
File "/usr/share/cassandra/lib/cql-internal-only-1.4.2.zip/cql-1.4.2/cql/thrifteries.py", line 159, in establish_connection
File "/usr/share/cassandra/lib/cql-internal-only-1.4.2.zip/cql-1.4.2/cql/cassandra/Cassandra.py", line 1368, in describe_version
File "/usr/share/cassandra/lib/cql-internal-only-1.4.2.zip/cql-1.4.2/cql/cassandra/Cassandra.py", line 1378, in recv_describe_version
File "/usr/share/cassandra/lib/thrift-python-internal-only-0.9.1.zip/thrift/protocol/TBinaryProtocol.py", line 126, in readMessageBegin
File "/usr/share/cassandra/lib/thrift-python-internal-only-0.9.1.zip/thrift/protocol/TBinaryProtocol.py", line 206, in readI32
File "/usr/share/cassandra/lib/thrift-python-internal-only-0.9.1.zip/thrift/transport/TTransport.py", line 58, in readAll
File "/usr/share/cassandra/lib/thrift-python-internal-only-0.9.1.zip/thrift/transport/TTransport.py", line 271, in read
File "/usr/share/cassandra/lib/thrift-python-internal-only-0.9.1.zip/thrift/transport/TTransport.py", line 275, in readFrame
File "/usr/share/cassandra/lib/thrift-python-internal-only-0.9.1.zip/thrift/transport/TTransport.py", line 58, in readAll
File "/usr/share/cassandra/lib/thrift-python-internal-only-0.9.1.zip/thrift/transport/TSocket.py", line 103, in read
socket.error: [Errno 104] Connection reset by peer