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strawlab / flydra

live, low-latency markerless multi-camera 3D animal tracking system
Apache License 2.0
58 stars 18 forks source link

registration of cameras fails occasionally (address in use) #15

Closed astraw closed 11 years ago

astraw commented 12 years ago

There is a race when multiple camnodes try to register at once and the port increment counter in mainbrain gets confused.

trace from camnode: Traceback (most recent call last): File "/home/strawlab/ros-flydra.electric.boost1.46/bin/flydra_camera_node", line 9, in load_entry_point('flydra==0.4.69-git', 'console_scripts', 'flydra_camera_node')() File "/home/strawlab/flydra.git/flydra/camnode.py", line 2870, in main parse_args_and_run() File "/home/strawlab/flydra.git/flydra/camnode.py", line 2953, in parse_args_and_run benchmark=benchmark, File "/home/strawlab/flydra.git/flydra/camnode.py", line 2315, in init camnode_ros_name = rospy.get_name()) File "/usr/lib/pymodules/python2.7/Pyro/core.py", line 381, in call return self.send(self.name, args, kwargs) File "/usr/lib/pymodules/python2.7/Pyro/core.py", line 456, in _invokePYRO return self.adapter.remoteInvocation(name, Pyro.constants.RIF_VarargsAndKeywords, vargs, kargs) File "/usr/lib/pymodules/python2.7/Pyro/protocol.py", line 457, in remoteInvocation return self._remoteInvocation(method, flags, *args) File "/usr/lib/pymodules/python2.7/Pyro/protocol.py", line 532, in _remoteInvocation answer.raiseEx() File "/usr/lib/pymodules/python2.7/Pyro/errors.py", line 72, in raiseEx raise self.excObj socket.error: [Errno 98] Address already in use

trace from mainbrain REGISTER NEW CAMERA Basler_21029386 on noise.flycave @ ros node /flydra_camera_node_noise Exception in thread CoordinateProcessor thread: Traceback (most recent call last): File "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner self.run() File "/home/strawlab/flydra.git/flydra/MainBrain.py", line 884, in run predicted_framenumber = n_frames_skipped + self.last_framenumbers_skip[cam_idx] + 1 IndexError: list index out of range

astraw commented 11 years ago

I think this was closed in b4820851d975a61aa9343dde430603e8326298c6.