FULL PRODUCT VERSION :
java version "1.6.0_20"

ADDITIONAL OS VERSION INFORMATION :
Windows Vista (Microsoft Windows [Version 6.0.6002])

A DESCRIPTION OF THE PROBLEM :
You can use the TAB-key to select the next cell in a JTable. After showing a JFileChooser, selecting the details-view in the JFileChooser and closing the dialog, the TAB-key does not work anymore in the JTable.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
- make a frame with a JTable with some rows and columns
- set the frame visible
- select a cell in the table an press the TAB-key
=> the next cell ist selected
- open a JFileChooser by an action
- click on the details-button in the JFileChooser
- close the JFileChooser with OK or Cancel
- select a cell in the table an press the TAB-key
=> the next cell is not beeing selected

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
the TAB-key should work after using the details-view in JFileChooser

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.awt.*;

import javax.swing.*;
import javax.swing.table.*;

public class MyFrame extends JFrame {
  private JPanel jPanelMain = null;
  private JScrollPane jScrollPane = null;
  private JTable jTable = null;
  private JButton jButton = null;
  private JPanel jPanelButton = null;
  
  public MyFrame() {
    initialize();
  }

  private void initialize() {
    this.setTitle("MyFrame");
    this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    this.setContentPane(getJPanelMain());
    this.setSize(600, 400);
    this.setLocation(600, 300);
  }

  private JPanel getJPanelMain() {
    if (jPanelMain == null) {
      jPanelMain = new JPanel();
      jPanelMain.setLayout(new BorderLayout());
      jPanelMain.add(getJScrollPane(), BorderLayout.CENTER);
      jPanelMain.add(getJPanelButton(), BorderLayout.NORTH);
    }
    return jPanelMain;
  }

  private JScrollPane getJScrollPane() {
    if (jScrollPane == null) {
      jScrollPane = new JScrollPane();
      jScrollPane.setViewportView(this.getJTable());
    }
    return jScrollPane;
  }
  
  private JTable getJTable() {
    if (jTable == null) {
      jTable = new JTable();
      jTable.setModel(new DefaultTableModel(5, 5));
    }
    return jTable;
  }

  private JButton getJButton() {
    if (jButton == null) {
      jButton = new JButton();
      jButton.setText("show JFileChooser...");
      jButton.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(java.awt.event.ActionEvent e) {
          JFileChooser fc = new JFileChooser();
          fc.showOpenDialog(MyFrame.this);
        }
      });
    }
    return jButton;
  }

  private JPanel getJPanelButton() {
    if (jPanelButton == null) {
      jPanelButton = new JPanel();
      jPanelButton.setLayout(new FlowLayout());
      jPanelButton.add(getJButton(), null);
    }
    return jPanelButton;
  }

  public static void main(String[] args) {
    new MyFrame().setVisible(true);
  }
}
---------- END SOURCE ----------