No access is allowed after timeout.

After the timeout, the access fails. The system is ubuntu and implements a crawling task. if the crawling times out and the task is stopped, it cannot be accessed again, and then it is always circled (chrome ). Logs and error logs are not added. Only restart. Why? Shared to timeout will no longer be accessible.
The system is ubuntu,
Make a capture. If the capture times out, it cannot be accessed again after it is stopped, and then it is always circled (chrome ).
Logs and error logs are not added.
Only restart. Why?

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------ Solution --------------------
Write a script. if it times out, call this script for processing, such as re-capturing or something.