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I also opened bug 1162857, which produces a slightly different symptom with
a different configuration (sqlite), but may share the same underlying cause.


-Dolph


On Mon, Apr 1, 2013 at 10:26 AM, Dolph Mathews <dolph.mathews at gmail.com>wrote:

> I'm attempting to reproduce this now (haven't been successful with PKI +
> sqlite on disk), but in the meantime I opened a bug on this issue for
> tracking:
>
>   https://bugs.launchpad.net/keystone/+bug/1162845
>
>
> -Dolph
>
>
> On Fri, Mar 29, 2013 at 1:35 PM, Miller, Mark M (EB SW Cloud - R&D -
> Corvallis) <mark.m.miller at hp.com> wrote:
>
>>  Hi,****
>>
>> ** **
>>
>> I have a loop that gets PKI tokens from Keystone (RC2). After about 116
>> loops I get the following error and have to reset Keystone to continue. Has
>> anyone else run into this?****
>>
>> ** **
>>
>> Thanks,****
>>
>> ** **
>>
>> Mark****
>>
>> ** **
>>
>> (keystone.auth.controllers): 2013-03-29 11:14:01,274 ERROR
>> (OperationalError) (1040, 'Too many connections') None None****
>>
>> Traceback (most recent call last):****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/auth/controllers.py",
>> line 286, in authenticate_for_token****
>>
>>     self.authenticate(context, auth_info, auth_context)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/auth/controllers.py",
>> line 352, in authenticate****
>>
>>     auth_context)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/auth/plugins/password.py",
>> line 108, in authenticate****
>>
>>     user_info = UserAuthInfo(context, auth_payload)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/auth/plugins/password.py",
>> line 36, in __init__****
>>
>>     self._validate_and_normalize_auth_data(auth_payload)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/auth/plugins/password.py",
>> line 87, in _validate_and_normalize_auth_data****
>>
>>     domain_ref = self._lookup_domain(user_info['domain'])****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/auth/plugins/password.py",
>> line 60, in _lookup_domain****
>>
>>     context=self.context, domain_name=domain_name)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/common/manager.py",
>> line 47, in _wrapper****
>>
>>     return f(*args, **kw)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/common/sql/core.py",
>> line 272, in wrapper****
>>
>>     return method(*args, **kwargs)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/keystone-2013.1.rc2-py2.7.egg/keystone/identity/backends/sql.py",
>> line 589, in get_domain_by_name****
>>
>>     ref = session.query(Domain).filter_by(name=domain_name).one()****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/orm/query.py",
>> line 2184, in one****
>>
>>     ret = list(self)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/orm/query.py",
>> line 2227, in __iter__****
>>
>>     return self._execute_and_instances(context)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/orm/query.py",
>> line 2240, in _execute_and_instances****
>>
>>     close_with_result=True)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/orm/query.py",
>> line 2231, in _connection_from_session****
>>
>>     **kw)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/orm/session.py",
>> line 777, in connection****
>>
>>     close_with_result=close_with_result)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/orm/session.py",
>> line 783, in _connection_for_bind****
>>
>>     return engine.contextual_connect(**kwargs)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/engine/base.py",
>> line 2489, in contextual_connect****
>>
>>     self.pool.connect(),****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/pool.py",
>> line 236, in connect****
>>
>>     return _ConnectionFairy(self).checkout()****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/pool.py",
>> line 401, in __init__****
>>
>>     rec = self._connection_record = pool._do_get()****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/pool.py",
>> line 746, in _do_get****
>>
>>     con = self._create_connection()****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/pool.py",
>> line 189, in _create_connection****
>>
>>     return _ConnectionRecord(self)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/pool.py",
>> line 282, in __init__****
>>
>>     self.connection = self.__connect()****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/pool.py",
>> line 344, in __connect****
>>
>>     connection = self.__pool._creator()****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/engine/strategies.py",
>> line 80, in connect****
>>
>>     return dialect.connect(*cargs, **cparams)****
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg/sqlalchemy/engine/default.py",
>> line 281, in connect****
>>
>>     return self.dbapi.connect(*cargs, **cparams)****
>>
>>   File "/usr/lib/python2.7/dist-packages/MySQLdb/__init__.py", line 81,
>> in Connect****
>>
>>     return Connection(*args, **kwargs)****
>>
>>   File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line
>> 187, in __init__****
>>
>>     super(Connection, self).__init__(*args, **kwargs2)****
>>
>> OperationalError: (OperationalError) (1040, 'Too many connections') None
>> None****
>>
>> (access): 2013-03-29 11:14:01,278 INFO 15.253.58.148 - -
>> [29/Mar/2013:18:14:01 +0000] "POST
>> http://15.253.58.165:35357/v3/auth/tokens HTTP/1.0" 401 125****
>>
>> (eventlet.wsgi.server): 2013-03-29 11:14:01,279 DEBUG 15.253.58.148 - -
>> [29/Mar/2013 11:14:01] "POST /v3/auth/tokens HTTP/1.1" 401 290 0.017322**
>> **
>>
>> ** **
>>
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>
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