import java.io.BufferedReader;
import java.io.FileReader;

public class LeakTest
{
    public int a;
    
    public void test() throws Exception
    {
        BufferedReader br = null;
        try
        {
            br = new BufferedReader(new FileReader("a.txt"));
            String line;
            while ((line=br.readLine()) != null)
            {
                System.out.println(line);
                if (a == 1)
                    throw new RuntimeException("X"); // <<<<<<<<<<<<==== HERE
            }
        }
        finally
        {
            if (br != null) try { br.close(); } catch(Exception e) { }
        }
    }
}