Tag Archives: Climbing pit

Wamp Apache can’t run error report could not execute menu item

wamp:could not Execute menu item (internal error) [exception] count not perform service action: the server did not respond to the start or control request in time

At present, there are basically two other types on the Internet: the port number is occupied and the file cannot be found

This problem is hardly found on the Internet

Only Apache can’t start, the error is shown in the figure.
Solution: start manually in the service.
Start the service: services.msc

Start the wampaache service manually

Jupyter failed to run websocket error

Juputer cannot connect

There is a problem with the websocket connection, the browser console reports an error, and the WS connection is abnormal

WebSocket connection to 'ws:// localhost:8888/api/kernels/f8809bf9-988f-4666-b183-e01bed63fa76/channels?session_ id=e49c21f065e64e7a89847a0859d689dd' failed: Error during WebSocket handshake: Unexpected response code: 200


Refer to https://github.com/jupyter/notebook/issues/4399

Uninstall tornado 6 and re install tornado 5.

pip uninstall tornado
pip install tornado==5.1.1