Program: 37697
Project: 37697
Buggy source:
private void jbInit() throws Exception {
  assemblerPath=new JTextField();
  simulatorPath=new JTextField();
  saveBeforeAssemblyChk=new JCheckBox("String_Node_Str");
  useOldConversionChk=new JCheckBox("String_Node_Str");
  assemblerBrowseBtn=new JButton("String_Node_Str");
  simulatorBrowseBtn=new JButton("String_Node_Str");
  confirmBtn=new JButton("String_Node_Str");
  cancelBtn=new JButton("String_Node_Str");
  JPanel mainPanel=new JPanel();
  JPanel assemblerPanel=new JPanel();
  JPanel simulatorPanel=new JPanel();
  JPanel checkPanel=new JPanel();
  JPanel buttonsPanel=new JPanel();
  TitledBorder assemblerBorder=new TitledBorder(BorderFactory.createLineBorder(Color.white,1),"String_Node_Str");
  TitledBorder simulatorBorder=new TitledBorder(BorderFactory.createLineBorder(Color.white,1),"String_Node_Str");
  assemblerPanel.setBorder(assemblerBorder);
  assemblerPanel.setLayout(new GridBagLayout());
  assemblerPanel.add(assemblerPath,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,5,0),400,0));
  assemblerPanel.add(assemblerBrowseBtn,new GridBagConstraints(1,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,5,5,5),0,0));
  simulatorPanel.setBorder(simulatorBorder);
  simulatorPanel.setLayout(new GridBagLayout());
  simulatorPanel.add(simulatorPath,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,5,0),400,0));
  simulatorPanel.add(simulatorBrowseBtn,new GridBagConstraints(1,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,5,5,5),0,0));
  checkPanel.setLayout(new GridBagLayout());
  checkPanel.add(saveBeforeAssemblyChk,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(5,5,5,5),0,0));
  checkPanel.add(useOldConversionChk,new GridBagConstraints(0,1,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,5,5),0,0));
  buttonsPanel.setLayout(new GridBagLayout());
  buttonsPanel.add(confirmBtn,new GridBagConstraints(0,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,0,15,10),0,0));
  buttonsPanel.add(cancelBtn,new GridBagConstraints(1,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,10,15,0),0,0));
  mainPanel.setLayout(new GridBagLayout());
  mainPanel.add(assemblerPanel,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(10,10,5,10),0,0));
  mainPanel.add(simulatorPanel,new GridBagConstraints(0,1,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(5,10,10,10),0,0));
  mainPanel.add(checkPanel,new GridBagConstraints(0,2,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,0,5),0,0));
  mainPanel.add(buttonsPanel,new GridBagConstraints(0,3,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(10,10,5,10),0,0));
  getContentPane().add(mainPanel);
}

Fixed version (ground truth):
private void jbInit() throws Exception {
  assemblerPath=new JTextField();
  simulatorPath=new JTextField();
  saveBeforeAssemblyChk=new JCheckBox("String_Node_Str");
  useOldConversionChk=new JCheckBox("String_Node_Str");
  assemblerBrowseBtn=new JButton("String_Node_Str");
  simulatorBrowseBtn=new JButton("String_Node_Str");
  confirmBtn=new JButton("String_Node_Str");
  cancelBtn=new JButton("String_Node_Str");
  resetBtn=new JButton("String_Node_Str");
  JPanel mainPanel=new JPanel();
  JPanel assemblerPanel=new JPanel();
  JPanel simulatorPanel=new JPanel();
  JPanel checkPanel=new JPanel();
  JPanel buttonsPanel=new JPanel();
  TitledBorder assemblerBorder=new TitledBorder(BorderFactory.createLineBorder(Color.white,1),"String_Node_Str");
  TitledBorder simulatorBorder=new TitledBorder(BorderFactory.createLineBorder(Color.white,1),"String_Node_Str");
  assemblerPanel.setBorder(assemblerBorder);
  assemblerPanel.setLayout(new GridBagLayout());
  assemblerPanel.add(assemblerPath,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,5,0),400,0));
  assemblerPanel.add(assemblerBrowseBtn,new GridBagConstraints(1,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,5,5,5),0,0));
  simulatorPanel.setBorder(simulatorBorder);
  simulatorPanel.setLayout(new GridBagLayout());
  simulatorPanel.add(simulatorPath,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,5,0),400,0));
  simulatorPanel.add(simulatorBrowseBtn,new GridBagConstraints(1,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,5,5,5),0,0));
  checkPanel.setLayout(new GridBagLayout());
  checkPanel.add(saveBeforeAssemblyChk,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(5,5,5,5),0,0));
  checkPanel.add(useOldConversionChk,new GridBagConstraints(0,1,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,5,5),0,0));
  buttonsPanel.setLayout(new GridBagLayout());
  buttonsPanel.add(confirmBtn,new GridBagConstraints(0,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,0,15,10),0,0));
  buttonsPanel.add(cancelBtn,new GridBagConstraints(1,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,10,15,0),0,0));
  buttonsPanel.add(resetBtn,new GridBagConstraints(2,0,1,1,0.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.NONE,new Insets(0,100,15,0),0,0));
  mainPanel.setLayout(new GridBagLayout());
  mainPanel.add(assemblerPanel,new GridBagConstraints(0,0,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(10,10,5,10),0,0));
  mainPanel.add(simulatorPanel,new GridBagConstraints(0,1,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(5,10,10,10),0,0));
  mainPanel.add(checkPanel,new GridBagConstraints(0,2,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(0,5,0,5),0,0));
  mainPanel.add(buttonsPanel,new GridBagConstraints(0,3,1,1,1.0,0.0,GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL,new Insets(10,10,5,10),0,0));
  getContentPane().add(mainPanel);
}