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[Bug 1463396] [NEW] quota_class_update with class_id longer than 255 returns 500 error

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Pranali Deore <pranali11.deore@xxxxxxxxxxx>
Date: Tue, 09 Jun 2015 12:58:32 -0000
Reply-to: Bug 1463396 <1463396@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

nova quota_class_update returns 500 error if you pass class parameter
with more than 255 characters

steps to reproduce:

$ nova quota_class_update --instances 2
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

The server has either erred or is incapable of performing the requested
operation. (HTTP 500) (Request-ID: req-
3f51a5c8-ccfc-4675-b224-a5cf94f0172d)

n-api error logs:

2015-06-09 05:51:19.383 ERROR nova.api.openstack [req-3f51a5c8-ccfc-4675-b224-a5cf94f0172d admin admin] Caught error: (DataError) (1406, "Data too long for
column 'class_name' at row 1") 'INSERT INTO quota_classes (created_at, updated_at, deleted_at, deleted, class_name, resource, hard_limit) VALUES (%s, %s, %s
, %s, %s, %s, %s)' (datetime.datetime(2015, 6, 9, 12, 51, 19, 380807), None, None, 0, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'instances', 7)
2015-06-09 05:51:19.383 TRACE nova.api.openstack Traceback (most recent call last):
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/__init__.py", line 126, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return req.get_response(self.application)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1317, in send
2015-06-09 05:51:19.383 TRACE nova.api.openstack     application, catch_exc_info=False)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1281, in call_application
2015-06-09 05:51:19.383 TRACE nova.api.openstack     app_iter = application(self.environ, start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", line 639, in __c
all__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return self._call_app(env, start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", line 559, in _ca
ll_app
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return self._app(env, _fake_start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/routes/middleware.py", line 136, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     response = self.app(environ, start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     resp = self.call_func(req, *args, **self.kwargs)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return self.func(req, *args, **kwargs)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 756, in __call__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     content_type, body, accept)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 821, in _process_stack
2015-06-09 05:51:19.383 TRACE nova.api.openstack     action_result = self.dispatch(meth, request, action_args)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 911, in dispatch
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return method(req=request, **action_args)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/compute/contrib/quota_classes.py", line 102, in update
2015-06-09 05:51:19.383 TRACE nova.api.openstack     db.quota_class_create(context, quota_class, key, value)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/api.py", line 1088, in quota_class_create
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return IMPL.quota_class_create(context, class_name, resource, limit)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 215, in wrapper
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return f(*args, **kwargs)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 3186, in quota_class_create
2015-06-09 05:51:19.383 TRACE nova.api.openstack     quota_class_ref.save()
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/sqlalchemy/models.py", line 82, in save
2015-06-09 05:51:19.383 TRACE nova.api.openstack     super(NovaBase, self).save(session=session)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/models.py", line 48, in save
2015-06-09 05:51:19.383 TRACE nova.api.openstack     session.flush()
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1985, in flush
2015-06-09 05:51:19.383 TRACE nova.api.openstack     self._flush(objects)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 2103, in _flush
2015-06-09 05:51:19.383 TRACE nova.api.openstack     transaction.rollback(_capture_exception=True)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/langhelpers.py", line 60, in __exit__
2015-06-09 05:51:19.383 TRACE nova.api.openstack     compat.reraise(exc_type, exc_value, exc_tb)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 2067, in _flush
2015-06-09 05:51:19.383 TRACE nova.api.openstack     flush_context.execute()
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 372, in execute
2015-06-09 05:51:19.383 TRACE nova.api.openstack     rec.execute(self)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 526, in execute
2015-06-09 05:51:19.383 TRACE nova.api.openstack     uow
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 65, in save_obj
2015-06-09 05:51:19.383 TRACE nova.api.openstack     mapper, table, insert)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 602, in _emit_insert_st
atements
2015-06-09 05:51:19.383 TRACE nova.api.openstack     execute(statement, params)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 841, in execute
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return meth(self, multiparams, params)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/sql/elements.py", line 322, in _execute_on_connec
tion
2015-06-09 05:51:19.383 TRACE nova.api.openstack     return connection._execute_clauseelement(self, multiparams, params)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 938, in _execute_clauseelem
ent
2015-06-09 05:51:19.383 TRACE nova.api.openstack     compiled_sql, distilled_params
2015-06-09 05:51:19.383 TRACE nova.api.openstack     context)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/compat/handle_error.py", line 261, in _handle_dbapi_exception
2015-06-09 05:51:19.383 TRACE nova.api.openstack     e, statement, parameters, cursor, context)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1267, in _handle_dbapi_exception
2015-06-09 05:51:19.383 TRACE nova.api.openstack     util.raise_from_cause(newraise, exc_info)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 199, in raise_from_cause
2015-06-09 05:51:19.383 TRACE nova.api.openstack     reraise(type(exception), exception, tb=exc_tb)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1063, in _execute_context
2015-06-09 05:51:19.383 TRACE nova.api.openstack     context)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 442, in do_execute
2015-06-09 05:51:19.383 TRACE nova.api.openstack     cursor.execute(statement, parameters)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute
2015-06-09 05:51:19.383 TRACE nova.api.openstack     self.errorhandler(self, exc, value)
2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
2015-06-09 05:51:19.383 TRACE nova.api.openstack     raise errorclass, errorvalue
2015-06-09 05:51:19.383 TRACE nova.api.openstack DBError: (DataError) (1406, "Data too long for column 'class_name' at row 1") 'INSERT INTO quota_classes (created_at, updated_at, deleted_at, deleted, class_name, resource, hard_limit) VALUES (%s, %s, %s, %s, %s, %s, %s)' (datetime.datetime(2015, 6, 9, 12, 51, 19, 380807), None, None, 0, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'instances', 7)
2015-06-09 05:51:19.383 TRACE nova.api.openstack
2015-06-09 05:51:19.389 INFO nova.api.openstack [req-3f51a5c8-ccfc-4675-b224-a5cf94f0172d admin admin] http://10.69.4.136:8774/v2/bd00959429ab477f812822ac32638bd7/os-quota-class-sets/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa returned with HTTP 500

** Affects: nova
     Importance: Undecided
     Assignee: Pranali Deore (pranali-deore)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Pranali Deore (pranali-deore)

-- 
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https://bugs.launchpad.net/bugs/1463396

Title:
  quota_class_update with class_id longer than 255 returns 500 error

Status in OpenStack Compute (Nova):
  New

Bug description:
  nova quota_class_update returns 500 error if you pass class parameter
  with more than 255 characters

  steps to reproduce:

  $ nova quota_class_update --instances 2
  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

  The server has either erred or is incapable of performing the
  requested operation. (HTTP 500) (Request-ID: req-
  3f51a5c8-ccfc-4675-b224-a5cf94f0172d)

  n-api error logs:

  2015-06-09 05:51:19.383 ERROR nova.api.openstack [req-3f51a5c8-ccfc-4675-b224-a5cf94f0172d admin admin] Caught error: (DataError) (1406, "Data too long for
  column 'class_name' at row 1") 'INSERT INTO quota_classes (created_at, updated_at, deleted_at, deleted, class_name, resource, hard_limit) VALUES (%s, %s, %s
  , %s, %s, %s, %s)' (datetime.datetime(2015, 6, 9, 12, 51, 19, 380807), None, None, 0, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'instances', 7)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack Traceback (most recent call last):
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/__init__.py", line 126, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return req.get_response(self.application)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1317, in send
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     application, catch_exc_info=False)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1281, in call_application
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     app_iter = application(self.environ, start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", line 639, in __c
  all__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return self._call_app(env, start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", line 559, in _ca
  ll_app
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return self._app(env, _fake_start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/routes/middleware.py", line 136, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     response = self.app(environ, start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 144, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return resp(environ, start_response)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     resp = self.call_func(req, *args, **self.kwargs)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return self.func(req, *args, **kwargs)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 756, in __call__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     content_type, body, accept)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 821, in _process_stack
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     action_result = self.dispatch(meth, request, action_args)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 911, in dispatch
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return method(req=request, **action_args)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/api/openstack/compute/contrib/quota_classes.py", line 102, in update
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     db.quota_class_create(context, quota_class, key, value)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/api.py", line 1088, in quota_class_create
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return IMPL.quota_class_create(context, class_name, resource, limit)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 215, in wrapper
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return f(*args, **kwargs)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 3186, in quota_class_create
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     quota_class_ref.save()
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/opt/stack/nova/nova/db/sqlalchemy/models.py", line 82, in save
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     super(NovaBase, self).save(session=session)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/models.py", line 48, in save
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     session.flush()
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1985, in flush
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     self._flush(objects)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 2103, in _flush
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     transaction.rollback(_capture_exception=True)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/langhelpers.py", line 60, in __exit__
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     compat.reraise(exc_type, exc_value, exc_tb)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 2067, in _flush
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     flush_context.execute()
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 372, in execute
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     rec.execute(self)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 526, in execute
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     uow
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 65, in save_obj
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     mapper, table, insert)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 602, in _emit_insert_st
  atements
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     execute(statement, params)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 841, in execute
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return meth(self, multiparams, params)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/sql/elements.py", line 322, in _execute_on_connec
  tion
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     return connection._execute_clauseelement(self, multiparams, params)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 938, in _execute_clauseelem
  ent
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     compiled_sql, distilled_params
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     context)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/compat/handle_error.py", line 261, in _handle_dbapi_exception
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     e, statement, parameters, cursor, context)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1267, in _handle_dbapi_exception
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     util.raise_from_cause(newraise, exc_info)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 199, in raise_from_cause
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     reraise(type(exception), exception, tb=exc_tb)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1063, in _execute_context
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     context)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 442, in do_execute
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     cursor.execute(statement, parameters)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     self.errorhandler(self, exc, value)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack   File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
  2015-06-09 05:51:19.383 TRACE nova.api.openstack     raise errorclass, errorvalue
  2015-06-09 05:51:19.383 TRACE nova.api.openstack DBError: (DataError) (1406, "Data too long for column 'class_name' at row 1") 'INSERT INTO quota_classes (created_at, updated_at, deleted_at, deleted, class_name, resource, hard_limit) VALUES (%s, %s, %s, %s, %s, %s, %s)' (datetime.datetime(2015, 6, 9, 12, 51, 19, 380807), None, None, 0, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'instances', 7)
  2015-06-09 05:51:19.383 TRACE nova.api.openstack
  2015-06-09 05:51:19.389 INFO nova.api.openstack [req-3f51a5c8-ccfc-4675-b224-a5cf94f0172d admin admin] http://10.69.4.136:8774/v2/bd00959429ab477f812822ac32638bd7/os-quota-class-sets/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa returned with HTTP 500

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Follow ups

[Bug 1463396] Re: quota_class_update with class_id longer than 255 returns 500 error
From: Thierry Carrez, 2015-09-03
[Bug 1463396] [NEW] quota_class_update with class_id longer than 255 returns 500 error
From: Pranali Deore, 2015-06-09
References

[Bug 1463396] [NEW] quota_class_update with class_id longer than 255 returns 500 error
From: Pranali Deore, 2015-06-09