问题：利用Python连接Oracle时报错，完整过程如下
import cx_Oracle conn = cx_Oracle.connect(‘testma/dingjia@192.168.88.139:1521/orcl‘) Traceback (most recent call last): File "", line 1, in cx_Oracle.DatabaseError: ORA-12541: TNS:no listener
cx_Oracle.DatabaseError: ORA-12541: TNS:no listener,布布扣,bubuko.com
cx_Oracle.DatabaseError: ORA-12541: TNS:no listener
原文：http://www.cnblogs.com/lukcyjane/p/3845020.html