JSP 500页面的异常信息

设置isErrorPage="true"

  <%@ page contentType="text/html;charset=UTF-8" isErrorPage="true" %>

错误信息 

  <%=exception.getMessage()%>

错误堆栈信息

<%
for(StackTraceElement stack : exception.getStackTrace()){
out.println(stack);
}
%>

<%
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
exception.printStackTrace(pw);
out.println(sw);
%>