Jagadeesh VP reduce. reuse.. recycle...
Its our responsibility to teach others....

Place this JSP in your container to know the memory status

<%@ page import="java.lang.management.*" %>
<%@ page import="java.util.*" %>

<title>JVM Memory Monitor</title>
<%
Iterator<MemoryPoolMXBean> iterator = ManagementFactory.getMemoryPoolMXBeans().iterator();
while (iterator.hasNext()) {
MemoryPoolMXBean item = (MemoryPoolMXBean) iterator.next();
%>

<table border="0" width="100%">
<tbody><tr>
<td colspan="2" align="center">
<h3>Memory MXBean</h3>
</td>
</tr>
<tr>
<td width="200">Heap Memory Usage</td>
<td>
<%= ManagementFactory.getMemoryMXBean().getHeapMemoryUsage()%>
</td>
</tr>
<tr>
<td>Non-Heap Memory Usage</td>
<td>
<%= ManagementFactory.getMemoryMXBean().getNonHeapMemoryUsage() %>
</td>
</tr>
<% } %>
<tr>
<td colspan="2"> </td>
</tr>
<tr>
<td colspan="2" align="center">
<h3>Memory Pool MXBeans</h3>
</td>
</tr>
<%
Iterator<MemoryPoolMXBean> iter1 = ManagementFactory.getMemoryPoolMXBeans().iterator();
while (iter1.hasNext()) {
MemoryPoolMXBean item = (MemoryPoolMXBean) iter1.next();
%>
<tr>
<td colspan="2">
<table style="border: 1px solid rgb(152, 170, 177);" border="0" width="100%">
<tbody><tr>
<td colspan="2" align="center">
<b><%= item.getName() %></b>
</td>
</tr>
<tr>
<td width="200">Type</td>
<td>
<%= item.getType() %>
</td>
</tr>
<tr>
<td>Usage</td>
<td><%= item.getUsage() %></td>
</tr>
<tr>
<td>Peak Usage</td>
<td><%= item.getPeakUsage() %></td>
</tr>
<tr>
<td>Collection Usage</td>
<td><%= item.getCollectionUsage() %></td>
</tr>
</tbody></table>
</td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<% } %>
</tbody></table>