Index: java/org/apache/catalina/manager/ManagerServlet.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- java/org/apache/catalina/manager/ManagerServlet.java	(revision 1641825)
+++ java/org/apache/catalina/manager/ManagerServlet.java	(revision )
@@ -16,18 +16,18 @@
  */
 package org.apache.catalina.manager;
 
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
+import org.apache.catalina.*;
+import org.apache.catalina.connector.Connector;
+import org.apache.catalina.core.StandardHost;
+import org.apache.catalina.core.StandardServer;
+import org.apache.catalina.startup.ExpandWar;
+import org.apache.catalina.util.ContextName;
+import org.apache.catalina.util.RequestUtil;
+import org.apache.catalina.util.ServerInfo;
+import org.apache.tomcat.util.Diagnostics;
+import org.apache.tomcat.util.ExceptionUtils;
+import org.apache.tomcat.util.modeler.Registry;
+import org.apache.tomcat.util.res.StringManager;
 
 import javax.management.MBeanServer;
 import javax.management.ObjectName;
@@ -40,30 +40,10 @@
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.util.*;
 
-import org.apache.catalina.Container;
-import org.apache.catalina.ContainerServlet;
-import org.apache.catalina.Context;
-import org.apache.catalina.Engine;
-import org.apache.catalina.Host;
-import org.apache.catalina.Manager;
-import org.apache.catalina.Server;
-import org.apache.catalina.Service;
-import org.apache.catalina.Session;
-import org.apache.catalina.Wrapper;
-import org.apache.catalina.connector.Connector;
-import org.apache.catalina.core.StandardHost;
-import org.apache.catalina.core.StandardServer;
-import org.apache.catalina.startup.ExpandWar;
-import org.apache.catalina.util.ContextName;
-import org.apache.catalina.util.RequestUtil;
-import org.apache.catalina.util.ServerInfo;
-import org.apache.tomcat.util.Diagnostics;
-import org.apache.tomcat.util.ExceptionUtils;
-import org.apache.tomcat.util.modeler.Registry;
-import org.apache.tomcat.util.res.StringManager;
 
-
 /**
  * Servlet that enables remote management of the web applications installed
  * within the same virtual host as this web application is.  Normally, this
@@ -539,7 +519,7 @@
      */
     protected void vmInfo(PrintWriter writer,
             Enumeration<Locale> requestedLocales) {
-        writer.print(Diagnostics.getVMInfo(requestedLocales));
+        writer.print("OK -Write some VM info "+Diagnostics.getVMInfo(requestedLocales));
     }
 
     /**
@@ -550,7 +530,7 @@
      */
     protected void threadDump(PrintWriter writer,
             Enumeration<Locale> requestedLocales) {
-        writer.print(Diagnostics.getThreadDump(requestedLocales));
+        writer.print("OK -Write a JVM thread dump "+Diagnostics.getThreadDump(requestedLocales));
     }
 
     protected void sslConnectorCiphers(PrintWriter writer,
Index: webapps/docs/manager-howto.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- webapps/docs/manager-howto.xml	(revision 1641825)
+++ webapps/docs/manager-howto.xml	(revision )
@@ -878,6 +878,45 @@
 
 </subsection>
 
+    <subsection name="Java Virtual Machine Info">
+
+        <source>http://localhost:8080/manager/text/vminfo</source>
+
+        <p>Java Virtual Machine Info.</p>
+
+        <p>The response will look something like this:</p>
+        <source>OK -Write some VM info 2014-11-27 10:48:59.834
+            Runtime information:
+            vmName: Java HotSpot(TM) 64-Bit Server VM
+            vmVersion: 24.71-b01
+            vmVendor: Oracle Corporation
+            specName: Java Virtual Machine Specification
+            specVersion: 1.7
+            specVendor: Oracle Corporation
+            managementSpecVersion: 1.2
+            ...</source>
+
+    </subsection>
+
+    <subsection name="JVM thread dump">
+
+        <source>http://localhost:8080/manager/text/threaddump</source>
+
+        <p>Write a JVM thread dump.</p>
+
+        <p>The response will look something like this:</p>
+        <source>OK -Write a JVM thread dump 2014-11-27 10:56:26.991
+            Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.71-b01 mixed mode):
+
+            "http-nio-8080-exec-5" Id=29 cpu=0 ns usr=0 ns blocked 0 for -1 ms waited 0 for -1 ms
+            java.lang.Thread.State: RUNNABLE
+            locks java.util.concurrent.ThreadPoolExecutor$Worker@65286e01
+            at sun.management.ThreadImpl.dumpThreads0(Native Method)
+            at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:446)
+            ...</source>
+
+    </subsection>
+
 </section>
 
 <section name="Server Status">