DefaultHandlerExceptionResolver
时间: 2024-01-11 12:03:06 浏览: 39
DefaultHandlerExceptionResolver is an implementation of the HandlerExceptionResolver interface in Spring Framework. It is a built-in exception resolver that handles exceptions thrown during request processing and generates error responses.
When an exception occurs during request processing, Spring MVC invokes the resolveException() method of the registered HandlerExceptionResolver. If no exception resolver is registered, the DefaultHandlerExceptionResolver is used by default.
The DefaultHandlerExceptionResolver handles various types of exceptions, such as NoSuchRequestHandlingMethodException, HttpRequestMethodNotSupportedException, MissingServletRequestParameterException, and many others. It also generates error responses based on the type of exception and the configured error codes and messages.
Developers can customize the behavior of the DefaultHandlerExceptionResolver by configuring the error codes, messages, and views in the Spring configuration file. They can also implement their own exception resolvers by implementing the HandlerExceptionResolver interface and registering it in the Spring configuration file.