Error message: caused by: failed to start component
Start to check whether the configured URL pattern is wrong, including using annotation, but it still reports an error and fails to start
Finally, I read the error report diary carefully and found that: caused by: java.lang.noclassdeffounderror: COM/sun/deploy/net/httprequest
Error reporting reason:
Solution: change the receiving parameter type
public void findAll(HttpServletRequest request, HttpServletResponse response){...}
This bug has been tangled for a long time. Record the PS receiving parameter type. It’s inexplicable. You need to read the source code to fully understand it
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