after Exit via Ctrl+C, Start fail again.

[he4330937]

pi@HXF-Raspberrypi:~/MyFiles/Camera/pistreaming $ python3 server.py Initializing camera Initializing websockets server on port 8084 Initializing HTTP server on port 8082 Initializing broadcast thread Spawning background conversion process Starting recording Starting websockets thread Starting HTTP server thread Starting broadcast thread 10.10.10.198 - - [10/Jan/2020 10:08:44] "GET / HTTP/1.1" 301 - 10.10.10.198 - - [10/Jan/2020 10:08:44] "GET /index.html HTTP/1.1" 200 - 10.10.10.198 - - [10/Jan/2020 10:08:44] "GET /jsmpg.js HTTP/1.1" 200 - 10.10.10.198 - - [10/Jan/2020 10:08:44] code 404, message File not found 10.10.10.198 - - [10/Jan/2020 10:08:44] "GET /favicon.ico HTTP/1.1" 404 - 10.10.0.1 - - [10/Jan/2020 10:10:02] "GET / HTTP/1.1" 301 - 10.10.0.1 - - [10/Jan/2020 10:10:02] "GET /index.html HTTP/1.1" 200 - 10.10.0.1 - - [10/Jan/2020 10:10:02] "GET /jsmpg.js HTTP/1.1" 200 - 10.10.0.1 - - [10/Jan/2020 10:10:03] code 404, message File not found 10.10.0.1 - - [10/Jan/2020 10:10:03] "GET /favicon.ico HTTP/1.1" 404 - ^Z [1]+ 已停止 python3 server.py

===== it works fine, exit via ctrl + c . So start it again, but fail.

pi@HXF-Raspberrypi:~/MyFiles/Camera/pistreaming $ python3 server.py Initializing camera mmal: mmal_vc_port_enable: failed to enable port vc.null_sink:in:0(OPQV): ENOSPC mmal: mmal_port_enable: failed to enable connected port (vc.null_sink:in:0(OPQV))0x12456b0 (ENOSPC) mmal: mmal_connection_enable: output port couldn't be enabled Traceback (most recent call last): File "server.py", line 184, in main() File "server.py", line 134, in main with picamera.PiCamera() as camera: File "/usr/lib/python3/dist-packages/picamera/camera.py", line 433, in init self._init_preview() File "/usr/lib/python3/dist-packages/picamera/camera.py", line 513, in _init_preview self, self._camera.outputs[self.CAMERA_PREVIEW_PORT]) File "/usr/lib/python3/dist-packages/picamera/renderers.py", line 558, in init self.renderer.inputs[0].connect(source).enable() File "/usr/lib/python3/dist-packages/picamera/mmalobj.py", line 2212, in enable prefix="Failed to enable connection") File "/usr/lib/python3/dist-packages/picamera/exc.py", line 184, in mmal_check raise PiCameraMMALError(status, prefix) picamera.exc.PiCameraMMALError: Failed to enable connection: Out of resources

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How to exit? I hope works fine when start it again.