<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="UTF-8"%> <%@ page import="java.util.Set"%> <%@ page import="java.util.Map"%> <%@ page import="java.util.Iterator"%> <% if("127.0.0.1".equals(request.getRemoteHost())) { Map<Thread,StackTraceElement[]> threads = Thread.getAllStackTraces(); Set keys = threads.keySet(); Iterator iter = keys.iterator(); while (iter.hasNext()) { Thread t = (Thread)iter.next(); %> ======================================================================= ID: <%=t.getId()%> State: <%=t.getState()%> <%= "\n"%> <% StackTraceElement[] trace = threads.get(t); for(int i = 0 ;i < trace.length;i++) { %> <%= trace[i].toString()%> <%= "\n"%> <% } } } %>
如果不是本地测试,请将 if("127.0.0.1".equals(request.getRemoteHost()))分支去掉,使用浏览器访问该页面,然后通过查看源文件查看内存堆栈情况