一个用于列举所有线程的JSP页面，便于调试

<html>

<head>

<title>Threads in oschina</title>

<style>

body {font-size:8pt;}

ol {line-height:18px;}

</style>

</head>

<body>

<strong>java.io.tmpdir:</strong>

<ul>

<li><%=System.getProperty("java.io.tmpdir")%></li>

</ul>

<br/>

<strong>Memory:</strong>

<ol>

<li>freeMemory=<%=Runtime.getRuntime().freeMemory()/(1024*1024)%>M</li>

    <li>totalMemory=<%=Runtime.getRuntime().totalMemory()/(1024*1024)%>M</li>

    <li>maxMemory=<%=Runtime.getRuntime().maxMemory()/(1024*1024)%>M</li>

</ol>

<br/>

<strong>Thread:</strong>

<ol>

<%for(Thread t : list_threads()){%>

<li><%=t.getName()%>(<b><%=t.getState()%></b>) : <%=t.getClass().getName()%></li>

<%}%>

</ol>

<%!

public static java.util.List<Thread> list_threads(){

    int tc = Thread.activeCount();

    Thread[] ts = new Thread[tc];

    Thread.enumerate(ts);

    return java.util.Arrays.asList(ts);

}

%>

</body>

</html>