Celery worked fine, one day the command line worker was unable to run the following trace:
Traceback (most recent call last): File "/home/buildslave/venv/bin/celery", line 9, in <module> load_entry_point('celery==3.0.7', 'console_scripts', 'celery')() File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/__main__.py", line 14, in main main() File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celery.py", line 942, in main cmd.execute_from_commandline(argv) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celery.py", line 886, in execute_from_commandline super(CeleryCommand, self).execute_from_commandline(argv))) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/base.py", line 175, in execute_from_commandline return self.handle_argv(prog_name, argv[1:]) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celery.py", line 881, in handle_argv return self.execute(command, argv) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celery.py", line 856, in execute return cls(app=self.app).run_from_argv(self.prog_name, argv) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celery.py", line 142, in run_from_argv return self(*args, **options) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celery.py", line 112, in __call__ ret = self.run(*args, **kwargs) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celery.py", line 214, in run return self.target.run(*args, **kwargs) File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/bin/celeryd.py", line 153, in run return self.app.Worker(**kwargs).run() File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/apps/worker.py", line 167, in run print(str(self.colored.cyan(' \n', self.startup_info())) + File "/home/buildslave/venv/local/lib/python2.7/site-packages/celery/apps/worker.py", line 234, in startup_info 'conninfo': self.app.connection().as_uri(), File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/connection.py", line 445, in as_uri fields = self.info() File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/connection.py", line 434, in info return OrderedDict(self._info()) File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/connection.py", line 413, in _info D = self.transport.default_connection_params File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/connection.py", line 636, in transport self._transport = self.create_transport() File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/connection.py", line 395, in create_transport return self.get_transport_cls()(client=self) File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/connection.py", line 402, in get_transport_cls transport_cls = get_transport_cls(transport_cls) File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/transport/__init__.py", line 110, in get_transport_cls _transport_cache[transport] = _get_transport_cls(transport) File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/transport/__init__.py", line 92, in _get_transport_cls transport_module_name, transport_cls_name = resolve_transport(transport) File "/home/buildslave/venv/local/lib/python2.7/site-packages/kombu/transport/__init__.py", line 87, in resolve_transport raise KeyError('No such transport: %s' % (transport, )) KeyError: 'No such transport: amqp'
Tracking the code revealed that "amqp" is mysteriously missing from kombu.transport.TRANSPORT_ALIASES , but where I lost track.