Monday, September 19, 2016

How to install and run eclipse Memory Analyzer MAT on windows 64 bit

1. Download the tool from
select Windows (x86_64) for windows 64 bit OS.
2. Unzip the folder and go to "MemoryAnalyzer-\mat" folder
3. Now download a 64 bit jdk for windows, which can be found at
4. Accept the license and choose exe of x64
Windows x64    193.68 MB      jdk-8u101-windows-x64.exe
5. Install the exe to any desired path, i have installed it under
C:\Program Files\Java\jdk1.8.0_101\bin
6. Now go back to "MemoryAnalyzer-\mat" folder and edit
MemoryAnalyzer.ini file
7. add a -vm at the bottom and place the path of newly installed jdk as shown below (ensure there are no spaces)
8. add a xmx argument as well to increase footprint on RAM, 12GB should suffice.

C:\Program Files\Java\jdk1.8.0_101\bin\javaw.exe

 9. save the ini file and open the MemoryAnalyzer.exe
10. Close out outlook, antivirus and all open folders to save memory. 
11. file - open heap dump - file type make it "all files", select the heapdump and click open.

Thursday, September 1, 2016

Create a war file from html and deploy or host in weblogic

Create a folder let's say C:\Oracle\Middleware\user_projects\domains\base_domain\robin
then create a text file, write something in it and save as r.html, save as type - all files.

Create another text file, add below contents in it and save as weblogic.xml, save as type - all files.
(ensure <local-path> matches your respective path)

<?xml version="1.0"?>

<!DOCTYPE weblogic-web-app SYSTEM "" PUBLIC "-//BEA Systems, Inc.//DTD Web Application 8.1//EN">











now open cmd and traverse to C:\Oracle\Middleware\user_projects\domains\base_domain\bin
run setdomainenv to set the classpath, you will find yourself under base_domain now, then cd robin.

C:\Oracle\Middleware\user_projects\domains\base_domain\robin>jar cvf r.war *
added manifest
adding: New Text Document.txt(in = 538) (out= 298)(deflated 44%)
adding: r.html(in = 5) (out= 7)(deflated -40%)
adding: weblogic.xml(in = 538) (out= 298)(deflated 44%)

check the contents as
C:\Oracle\Middleware\user_projects\domains\base_domain\robin>jar tvf r.war
     0 Thu Sep 01 15:29:16 IST 2016 META-INF/
    68 Thu Sep 01 15:29:16 IST 2016 META-INF/MANIFEST.MF
   538 Thu Sep 01 15:28:00 IST 2016 New Text Document.txt
     5 Thu Sep 01 14:45:58 IST 2016 r.html
   538 Thu Sep 01 15:28:20 IST 2016 weblogic.xml

Deploy this war file on JVM running on port 7001 and access as below