import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
import org.junit.Test;

public class Dom4jTest {

    @Test
    public void readXml() throws IOException, DocumentException {
        SAXReader reader = new SAXReader();
        InputStreamReader stream = new InputStreamReader(new FileInputStream(new File("messages_ja.xml")));
        Document document = reader.read(stream);

        Node messageNode = document.selectSingleNode("/MessageCollection/BugPattern[@type='IL_INFINITE_LOOP']");
        Node longDesc = messageNode.selectSingleNode("LongDescription");

        System.out.println(longDesc.getText());
    }
}