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Sunday, September 26, 2010


3.1. Create Project

Create the Java project "sawan.modi.mat.first" and the package "sawan.modi.mat.first". Create the following class.

package sawan.modi.mat.first;

import java.util.ArrayList;
import java.util.List;

public class Main {

* @param args
public static void main(String[] args) {
List list = new ArrayList();
while (1<2){>

3.2. Run Project

In Eclipse add the -XX:+HeapDumpOnOutOfMemoryError to the runtime configuration.

Run the project.

3.3. Use MAT

You should get a new file in your project (.hprof). You may need to refresh your project (F5 on the project). Double-click it and select "Leak Suspects Report".

Switch back to the overview and start your analyses of the heap dump. I believe the user interface is quite intuitive. Expecially the dominator tree gives quickly an overview of the used objects.


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