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robotics-in-concert / rocon_multimaster

Key components for ros multimaster systems
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Hub shutdown error #252

Closed stonier closed 10 years ago

stonier commented 10 years ago

This is wrapped up in the concert shutdown procedure...some failure in the shutdown logic.

Happens occasionally, but not all the time.

[ERROR] [WallTime: 1393988634.198750] Gateway : unknown error on shutdown [][<class 'httplib.CannotSendRequest'>]
Traceback (most recent call last):
  File "/opt/ros/indigo/lib/python2.7/dist-packages/rospy/impl/tcpros_service.py", line 618, in _handle_request
    response = convert_return_to_response(self.handler(request), self.response_class)
  File "/mnt/zaphod/code/ros/rocon/src/rocon_multimaster/rocon_gateway/src/rocon_gateway/gateway_node.py", line 206, in ros_service_shutdown
    self._shutdown()
  File "/mnt/zaphod/code/ros/rocon/src/rocon_multimaster/rocon_gateway/src/rocon_gateway/gateway_node.py", line 98, in _shutdown
    self._gateway.shutdown()
  File "/mnt/zaphod/code/ros/rocon/src/rocon_multimaster/rocon_gateway/src/rocon_gateway/gateway.py", line 82, in shutdown
    self.master.unregister(registration)
  File "/mnt/zaphod/code/ros/rocon/src/rocon_multimaster/rocon_gateway/src/rocon_gateway/master_api.py", line 387, in unregister
    self._unregister_subscriber(node_master, registration.connection.xmlrpc_uri, registration.connection.rule.name)
  File "/mnt/zaphod/code/ros/rocon/src/rocon_multimaster/rocon_gateway/src/rocon_gateway/master_api.py", line 445, in _unregister_subscriber
    xmlrpcapi(xmlrpc_uri).publisherUpdate('/master', name, [])
  File "/usr/lib/python2.7/xmlrpclib.py", line 1224, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib/python2.7/xmlrpclib.py", line 1578, in __request
    verbose=self.__verbose
  File "/usr/lib/python2.7/xmlrpclib.py", line 1264, in request
    return self.single_request(host, handler, request_body, verbose)
  File "/usr/lib/python2.7/xmlrpclib.py", line 1289, in single_request
    self.send_request(h, handler, request_body)
  File "/usr/lib/python2.7/xmlrpclib.py", line 1391, in send_request
    connection.putrequest("POST", handler, skip_accept_encoding=True)
  File "/usr/lib/python2.7/httplib.py", line 871, in putrequest
    raise CannotSendRequest()
CannotSendRequest
[ERROR] [WallTime: 1393988634.200298] Error processing request: 
None
[ERROR] [WallTime: 1393988634.200715] failed to externally shut down gateway/hub [service [/concert/gateway/shutdown] responded with an error: error processing request: ]
stonier commented 10 years ago

77e871fb7ced52b19318927ed7586dd4693b8687