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  1. 734-aa70-41f5242ccb47] Fetching instance by UUID from (pid=23460) get /opt/stack/nova/nova/compute/api.py:2024
  2. 2015-09-28 22:46:56.844 ERROR nova.api.openstack.extensions [req-c2eeb4cd-a731-4abb-80d9-0012491a8848 admin admin] Unexpected exception in API method
  3. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions Traceback (most recent call last):
  4. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/api/openstack/extensions.py", line 478, in wrapped
  5. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return f(*args, **kwargs)
  6. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/api/openstack/compute/servers.py", line 508, in show
  7. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions instance = self._get_server(context, req, id, is_detail=True)
  8. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/api/openstack/compute/servers.py", line 427, in _get_server
  9. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions expected_attrs=expected_attrs)
  10. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/api/openstack/common.py", line 510, in get_instance
  11. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions expected_attrs=expected_attrs)
  12. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/compute/api.py", line 2026, in get
  13. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions context, instance_id, expected_attrs=expected_attrs)
  14. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 171, in wrapper
  15. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions result = fn(cls, context, *args, **kwargs)
  16. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/objects/instance.py", line 372, in get_by_uuid
  17. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions use_slave=use_slave)
  18. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/db/api.py", line 645, in instance_get_by_uuid
  19. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions columns_to_join, use_slave=use_slave)
  20. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 216, in wrapper
  21. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return f(*args, **kwargs)
  22. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 1713, in instance_get_by_uuid
  23. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions columns_to_join=columns_to_join, use_slave=use_slave)
  24. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 1721, in _instance_get_by_uuid
  25. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions filter_by(uuid=uuid).\
  26. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/orm/query.py", line 2445, in first
  27. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions ret = list(self[0:1])
  28. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/orm/query.py", line 2281, in __getitem__
  29. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return list(res)
  30. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/orm/query.py", line 2516, in __iter__
  31. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return self._execute_and_instances(context)
  32. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/orm/query.py", line 2529, in _execute_and_instances
  33. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions close_with_result=True)
  34. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/orm/query.py", line 2520, in _connection_from_session
  35. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions **kw)
  36. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/orm/session.py", line 882, in connection
  37. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions execution_options=execution_options)
  38. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/orm/session.py", line 889, in _connection_for_bind
  39. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions conn = engine.contextual_connect(**kw)
  40. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 2039, in contextual_connect
  41. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions self._wrap_pool_connect(self.pool.connect, None),
  42. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 2078, in _wrap_pool_connect
  43. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions e, dialect, self)
  44. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 1401, in _handle_dbapi_exception_noconnection
  45. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions util.raise_from_cause(newraise, exc_info)
  46. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/util/compat.py", line 199, in raise_from_cause
  47. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions reraise(type(exception), exception, tb=exc_tb)
  48. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 2074, in _wrap_pool_connect
  49. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return fn()
  50. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 376, in connect
  51. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return _ConnectionFairy._checkout(self)
  52. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 713, in _checkout
  53. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions fairy = _ConnectionRecord.checkout(pool)
  54. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 480, in checkout
  55. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions rec = pool._do_get()
  56. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 1060, in _do_get
  57. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions self._dec_overflow()
  58. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 60, in __exit__
  59. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions compat.reraise(exc_type, exc_value, exc_tb)
  60. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 1057, in _do_get
  61. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return self._create_connection()
  62. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 323, in _create_connection
  63. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return _ConnectionRecord(self)
  64. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 449, in __init__
  65. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions self.connection = self.__connect()
  66. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 607, in __connect
  67. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions connection = self.__pool._invoke_creator(self)
  68. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/strategies.py", line 97, in connect
  69. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return dialect.connect(*cargs, **cparams)
  70. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/default.py", line 385, in connect
  71. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return self.dbapi.connect(*cargs, **cparams)
  72. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/__init__.py", line 88, in Connect
  73. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions return Connection(*args, **kwargs)
  74. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 644, in __init__
  75. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions self._connect()
  76. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 837, in _connect
  77. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions self._get_server_information()
  78. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 1048, in _get_server_information
  79. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions packet = self._read_packet()
  80. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 893, in _read_packet
  81. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions packet.check_error()
  82. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 369, in check_error
  83. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions err.raise_mysql_exception(self._data)
  84. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/err.py", line 120, in raise_mysql_exception
  85. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions _check_mysql_exception(errinfo)
  86. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions File "/usr/lib/python2.7/site-packages/pymysql/err.py", line 112, in _check_mysql_exception
  87. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions raise errorclass(errno, errorvalue)
  88. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections')
  89. 2015-09-28 22:46:56.844 TRACE nova.api.openstack.extensions
  90. 2015-09-28 22:46:56.847 INFO nova.api.openstack.wsgi [req-c2eeb4cd-a731-4abb-80d9-0012491a8848 admin admin] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  91. <class 'sqlalchemy.exc.OperationalError'>
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