Hi,

I am receiving this traceback when I do restart Apache and not sure what to
make of it:

Exception in thread WorkflowRequestMonitor.monitor_thread:

Traceback (most recent call last):

  File
"/broad/software/free/Linux/redhat_6_x86_64/pkgs/python_2.7.1-sqlite3-rtrees/lib/python2.7/threading.py",
line 530, in __bootstrap_inner

    self.run()

  File
"/broad/software/free/Linux/redhat_6_x86_64/pkgs/python_2.7.1-sqlite3-rtrees/lib/python2.7/threading.py",
line 483, in run

    self.__target(*self.__args, **self.__kwargs)

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/lib/galaxy/workflow/scheduling_manager.py",
line 158, in __monitor

    self.__schedule( workflow_scheduler_id, workflow_scheduler )

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/lib/galaxy/workflow/scheduling_manager.py",
line 162, in __schedule

    invocation_ids = self.__active_invocation_ids( workflow_scheduler_id )

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/lib/galaxy/workflow/scheduling_manager.py",
line 191, in __active_invocation_ids

    handler=handler,

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/lib/galaxy/model/__init__.py",
line 3254, in poll_active_workflow_ids

    WorkflowInvocation

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/scoping.py",
line 150, in do

    return getattr(self.registry(), name)(*args, **kwargs)

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/session.py",
line 1165, in query

    return self._query_cls(entities, self, **kwargs)

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/query.py",
line 108, in __init__

    self._set_entities(entities)

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/query.py",
line 118, in _set_entities

    self._set_entity_selectables(self._entities)

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/query.py",
line 151, in _set_entity_selectables

    ent.setup_entity(*d[entity])

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/query.py",
line 3036, in setup_entity

    self._with_polymorphic = ext_info.with_polymorphic_mappers

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/util/langhelpers.py",
line 725, in __get__

    obj.__dict__[self.__name__] = result = self.fget(obj)

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/mapper.py",
line 1877, in _with_polymorphic_mappers

    configure_mappers()

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/mapper.py",
line 2589, in configure_mappers

    mapper._post_configure_properties()

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/mapper.py",
line 1694, in _post_configure_properties

    prop.init()

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/interfaces.py",
line 144, in init

    self.do_init()

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/relationships.py",
line 1549, in do_init

    self._process_dependent_arguments()

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/relationships.py",
line 1605, in _process_dependent_arguments

    self.target = self.mapper.mapped_table

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/util/langhelpers.py",
line 725, in __get__

    obj.__dict__[self.__name__] = result = self.fget(obj)

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/orm/relationships.py",
line 1522, in mapper

    argument = self.argument()

  File
"/seq/regev_genome_portal/SOFTWARE/galaxy/eggs/SQLAlchemy-0.9.8-py2.7-linux-x86_64-ucs2.egg/sqlalchemy/ext/declarative/clsregistry.py",
line 283, in __call__

    (self.prop.parent, self.arg, n.args[0], self.cls)

InvalidRequestError: When initializing mapper Mapper|Queue|kombu_queue,
expression 'Message' failed to locate a name ("name 'Message' is not
defined"). If this is a class name, consider adding this relationship() to
the <class 'kombu.transport.sqlalchemy.Queue'> class after both dependent
classes have been defined.

This happens sometimes but when I shut down galaxy and re-start I don't get
it anymore.

Can someone guide me to a more permanent solution to this?

Asma
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