JSP PageContext. Handlepageexception() method: throw an exception
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Java
Grammar 1
handlePageException(Exception e)
Example
<%@page language="java" pageEncoding="GBK" errorPage="error.jsp"%> <% Integer.parseInt("测试"); %>
<%@page language="java" pageEncoding="GBK" isErrorPage="true" errorPage="error2.jsp"%> <% pageContext.handlePageException(exception); %>
<%@page language="java" pageEncoding="GBK" isErrorPage="true"%> <% out.print(exception.getMessage()); %>
Grammar 2
handlePageException(Throwable t)
Example
<%@page language="java" pageEncoding="GBK" errorPage="error.jsp"%> <% Integer.parseInt("测试"); %>
<%@page language="java" pageEncoding="GBK" isErrorPage="true" errorPage="error2.jsp"%> <% Throwable t = exception.getCause(); pageContext.handlePageException(t); %>
<%@page language="java" pageEncoding="GBK" isErrorPage="true"%> <% out.print(exception.getMessage()); %>
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