[英]Django error loading MySQLdb module undefined symbol:_ZTVN10__cxxabiv117__class_type_infoE
I'm working on centos 6.5/Python2.7.10/Django/MySQL, I get the following error when I try to run: 我正在使用centos 6.5 / Python2.7.10 / Django / MySQL,尝试运行时出现以下错误:
python manage.py check
The error is: 错误是:
Traceback (most recent call last):
File "../manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/python2.7/lib/python2.7/site-packages/django/core/management/__init__.py", line 353, in execute_from_command_line
utility.execute()
File "/usr/local/python2.7/lib/python2.7/site-packages/django/core/management/__init__.py", line 327, in execute
django.setup()
File "/usr/local/python2.7/lib/python2.7/site-packages/django/__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/local/python2.7/lib/python2.7/site-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/usr/local/python2.7/lib/python2.7/site-packages/django/apps/config.py", line 202, in import_models
self.models_module = import_module(models_module_name)
File "/usr/local/python2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/usr/ez_sh/site/ettwit/kindergarten/models.py", line 14, in <module>
class Kindergarten(models.Model):
File "/usr/local/python2.7/lib/python2.7/site-packages/django/db/models/base.py", line 108, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File "/usr/local/python2.7/lib/python2.7/site-packages/django/db/models/base.py", line 307, in add_to_class
value.contribute_to_class(cls, name)
File "/usr/local/python2.7/lib/python2.7/site-packages/django/db/models/options.py", line 263, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/usr/local/python2.7/lib/python2.7/site-packages/django/db/__init__.py", line 36, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/usr/local/python2.7/lib/python2.7/site-packages/django/db/utils.py", line 212, in __getitem__
backend = load_backend(db['ENGINE'])
File "/usr/local/python2.7/lib/python2.7/site-packages/django/db/utils.py", line 116, in load_backend
return import_module('%s.base' % backend_name)
File "/usr/local/python2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/usr/local/python2.7/lib/python2.7/site-packages/django/db/backends/mysql/base.py", line 28, in <module>
raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: /usr/local/python2.7/lib/python2.7/site-packages/_mysql.so: undefined symbol: _ZTVN10__cxxabiv117__class_type_infoE
I have used pip install mysqlclient
. 我已经使用pip install mysqlclient
。
I got stuck with this problem for almost a whole day, now I solved the problem. 我几乎整天都陷入了这个问题,现在我解决了这个问题。 First, do not install mysqlclient through pip install mysqlclient
, you should install from source(download here ). 首先,不要通过pip install mysqlclient
,应该从源代码安装( 在此处下载)。
Then: 然后:
tar -zxvf mysqlclient-1.3.7.tar.gz
cd mysqlclient-1.3.7
python setup.py build
now, the most important step, use g++
recompiling _mysql.so
: 现在,最重要的步骤是使用g++
重新编译_mysql.so
:
g++ -pthread -shared build/temp.linux-x86_64-2.7/_mysql.o \
-L/usr/lib64 -lmysqlclient_r -lpthread -lm -lrt -ldl -o build/linux-x86_64-2.7/_mysql.so
Finally: 最后:
python setup.py install
and check if there is also a problem, and mine is running fine: 并检查是否还有问题,并且我的运行良好:
python -c "import MySQLdb"
or python manage.py check
To tell the truth, I don't know why the error comes out. 说实话,我不知道为什么会出现错误。 If you have any ideas, please tell me. 如果您有任何想法,请告诉我。
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