JSP Exception. Initcause() method: sets the exception information of initialization

• Java

initCause(Throwable cause)

Example

<%@page language="java" pageEncoding="GBK" errorPage="error.jsp"%>
  <%
     Integer.parseInt("测试");
   %>
<%@page language="java" pageEncoding="GBK" isErrorPage="true"%>
  <%
     exception.initCause(new Throwable("Not Number"));
     exception.printStackTrace();
   %>
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