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Keystone Too Many Connections Problem

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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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