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Exception handler

2022-04-21 23:00:00 【poixao】

Exception handler

 
 

 
 

Exception handler

1、 Configuration based exception handling

SpringMVC It provides an interface to handle exceptions during the execution of controller methods ：HandlerExceptionResolver

HandlerExceptionResolver The implementation classes of the interface are ：DefaultHandlerExceptionResolver and SimpleMappingExceptionResolver

  • DefaultHandlerExceptionResolver：SpringMVC Default exception handler
  • SimpleMappingExceptionResolver： Custom exception handler

DefaultHandlerExceptionResolver
The return is ModelAndView, Something goes wrong , Jump to its specified page . That's what we see when we make a mistake 404、400、400…

@Nullable
protected ModelAndView

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