RHEL6.4升级到python2.7.9，然后安装 MySQL-Python-1.2.3.tar.gz，报错。解决错误之后，运行：

python2.7 -c "import MySQLdb"

失败：

>>> import MySQLdb  

Traceback (most recent call last):  

File "<stdin>", line 1, in <module>  

File "/usr/local/lib/python2.7/site-packages/MySQL_python-1.2.3-py2.7-linux-x86_64.egg/MySQLdb/__init__.py", line 19, in <module>  

File "/usr/local/lib/python2.7/site-packages/MySQL_python-1.2.3-py2.7-linux-x86_64.egg/_mysql.py", line 7, in <module>  

File "/usr/local/lib/python2.7/site-packages/MySQL_python-1.2.3-py2.7-linux-x86_64.egg/_mysql.py", line 6, in __bootstrap__  

ImportError: /root/.python-eggs/MySQL_python-1.2.3-py2.7-linux-x86_64.egg-tmp/_mysql.so: undefined symbol: _ZTVN10__cxxabiv120__si_class_type_infoE

找了很多解决方法都无效。转而使用mysql官方的python连接器 mysql-connector-python。下载后安装：

# for mysql5.5+  

$ wget

# for mysql 4.1, 5.0, 5.1+  

$ wget

# or download from my ftp site:  

$ wget ftp://pub:[email protected]/tarball/mysql-connector-python-1.2.0.tar.gz$ wget ftp://pub:[email protected]/tarball/mysql-connector-python-2.1.1.tar.gz

# install it:  

$ tar zxf mysql-connector-python-1.2.0.tar.gz  

$ cd mysql-connector-python-1.2.0  

$ python2.7 setup.py build  

$ sudo python2.7 setup.py install

然后测试：

import mysql.connector

>>> conn=mysql.connector.connect(user='root', password='******', host='127.0.0.1', database='devops')

Traceback (most recent call last):

File "<stdin>", line 2, in <module>

File "/usr/local/lib/python2.7/site-packages/mysql/connector/__init__.py", line 176, in connect

return MySQLConnection(*args, **kwargs)

File "/usr/local/lib/python2.7/site-packages/mysql/connector/connection.py", line 95, in __init__

self.connect(**kwargs)

File "/usr/local/lib/python2.7/site-packages/mysql/connector/abstracts.py", line 719, in connect

self._open_connection()

File "/usr/local/lib/python2.7/site-packages/mysql/connector/connection.py", line 213, in _open_connection

self._ssl)

File "/usr/local/lib/python2.7/site-packages/mysql/connector/connection.py", line 144, in _do_auth

self._auth_switch_request(username, password)

File "/usr/local/lib/python2.7/site-packages/mysql/connector/connection.py", line 180, in _auth_switch_request

raise errors.get_exception(packet)

mysql.connector.errors.DatabaseError: 1862 (HY000): Your password has expired. To log in you must change it using a client that supports expired passwords.

解决方法参考：

https://dev.mysql.com/doc/refman/5.6/en/password-expiration-sandbox-mode.html

就是mysql密码过期，重设一下就OK:

mysql> show databases;  

ERROR 1820 (HY000): You must SET PASSWORD before executing this statement  

mysql> SET PASSWORD=PASSWORD('new pass here');  

Query OK, 0 rows affected (0.00 sec)

然后再试：

>>> config={

...     'user':'root',

...     'password':'***********',

...     'host':'127.0.0.1',

...     'database':'devops',

... }

>>> conn = mysql.connector.connect(**config)

>>> cur = conn.cursor()

>>> q="SELECT * FROM packages"

>>> cur.execute(q)

>>> for row in cur:

...     print row

...

(1, u'kbc', u'krb5-workstation', u'kerberos', None, None, None)

(2, u'kbs', u'krb5-server', u'kerberos', None, None, None)

(3, u'hadn', u'hadoop-hdfs-datanode', u'hadoop', u'hadoop-hdfs-datanode', u'hann', None)

(4, u'hamr', u'hadoop-mapreduce', u'hadoop', None, None, None)

(5, u'hanm', u'hadoop-yarn-nodemanager', u'hadoop', u'hadoop-yarn-nodemanager', None, None)

(6, u'hajn', u'hadoop-hdfs-journalnode', u'hadoop', u'hadoop-hdfs-journalnode', u'hazk', None)

(7, u'hann', u'hadoop-hdfs-namenode', u'hadoop', u'hadoop-hdfs-namenode', u'hajn', None)

(8, u'hazk', u'hadoop-hdfs-zkfc', u'hadoop', u'hadoop-hdfs-zkfc', u'zksvr', None)

(9, u'halzo', u'hadoop-lzo', u'hadoop', None, None, None)

(10, u'halib', u'hadoop-libhdfs', u'halibhdfs', None, None, None)

(11, u'halibd', u'hadoop-libhdfs-devel', u'halibhdfs', None, None, None)

(12, u'hares', u'hadoop-yarn-resourcemanager', u'hadoop', u'hadoop-yarn-resourcemanager', None, None)

(13, u'hahis', u'hadoop-mapreduce-historyserver', u'hadoop', u'hadoop-mapreduce-historyserver', u'hann', None)

(14, u'hbma', u'hbase-master', u'hbase', u'hbase-master', u'hann', None)

(15, u'hbreg', u'hbase-regionserver', u'hbase', u'hbase-regionserver', u'hbma', None)

(16, u'hbrst', u'hbase-rest', u'hbase', None, None, None)

(17, u'hbthr', u'hbase-thrift', u'hbase', None, None, None)

(18, u'hvbas', u'hive', u'hive', None, None, None)

(19, u'hvhb', u'hive-hbase', u'hive', None, None, None)

(20, u'hvms', u'hive-metastore', u'hive', u'hive-metastore', None, None)

(21, u'hvsvr', u'hive-server2', u'hive', u'hive-server2', None, None)

(22, u'hvjdbc', u'hive-jdbc', u'hive', None, None, None)

(23, u'hvhc', u'hive-hcatalog', u'hive', None, None, None)

(24, u'hvwhs', u'hive-webhcat-server', u'hive', None, None, None)

(25, u'hvwhc', u'hive-webhcat', u'hive', None, None, None)

(26, u'imcat', u'impala-catalog', u'impala', u'impala-catalog', None, None)

(27, u'imsvr', u'impala-server', u'impala', u'impala-server', None, None)

(28, u'imsh', u'impala-shell', u'impala', None, None, None)

(29, u'imss', u'impala-state-store', u'impala', u'impala-state-store', None, None)

(30, u'sphis', u'spark-history-server', u'spark', None, None, None)

(31, u'spma', u'spark-master', u'spark', None, None, None)

(32, u'spwkr', u'spark-worker', u'spark', None, None, None)

(33, u'zkbas', u'zookeeper', u'zookeeper', None, None, None)

(34, u'zksvr', u'zookeeper-server', u'zookeeper', u'zookeeper-server', None, None)

>>> cur.close()

True

>>> conn.close()

>>>

一切正常！

参考：

下载地址：

官方开发接口参考：