JSP, when the page is 404 or 500. Set jump to Error prompt page

The best is in the Web. xml file to configure the error code of the jump page, first set up a page with 500 errors, the prompt error, and then the Web. xml file configuration, configured as follows

First, the error code to configure the Error-page
<error-page>
<error-code>404</error-code>
<location>/NotFound.jsp</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/NotFound.jsp</location>
</error-page>

The above is configured to jump to the error handling page notfound.jsp when the system has a 404 error.
Second, configure Error-page by the type of exception
<error-page>
<exception-type>java.lang.NullException</exception-type>
<location>/error.jsp</location>
</error-page>

Exception-type: Indicates the type of exception.

Location: Indicates where the wrong path is.

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JSP, when the page is 404 or 500. Set jump to Error prompt page