Program: 121161
Project: 121161
Buggy source:
@Override protected void createFieldEditors(){
  String spanish="String_Node_Str";
  byte[] utf8Bytes;
  try {
    utf8Bytes=spanish.getBytes("String_Node_Str");
    spanish=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    spanish="String_Node_Str";
  }
  String russian="String_Node_Str";
  try {
    utf8Bytes=russian.getBytes("String_Node_Str");
    russian=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    russian="String_Node_Str";
  }
  String greek="String_Node_Str";
  try {
    utf8Bytes=greek.getBytes("String_Node_Str");
    greek=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    greek="String_Node_Str";
  }
  String arabic="String_Node_Str";
  try {
    utf8Bytes=arabic.getBytes("String_Node_Str");
    arabic=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    arabic="String_Node_Str";
  }
  String serbian="String_Node_Str";
  try {
    utf8Bytes=serbian.getBytes("String_Node_Str");
    serbian=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    serbian="String_Node_Str";
  }
  String[][] entryNamesAndValues={{Locale.ENGLISH.getDisplayLanguage(Locale.ENGLISH),Locale.ENGLISH.getLanguage()},{Locale.FRENCH.getDisplayLanguage(Locale.FRENCH),Locale.FRENCH.getLanguage()},{Locale.CHINESE.getDisplayLanguage(Locale.CHINESE),Locale.CHINESE.getLanguage()},{Locale.GERMAN.getDisplayLanguage(Locale.GERMAN),Locale.GERMAN.getLanguage()},{Locale.JAPANESE.getDisplayLanguage(Locale.JAPANESE),Locale.JAPANESE.getLanguage()},{Locale.ITALIAN.getDisplayLanguage(Locale.ITALIAN),Locale.ITALIAN.getLanguage()},{"String_Node_Str","String_Node_Str"},{spanish,"String_Node_Str"},{russian,"String_Node_Str"},{Locale.KOREA.getDisplayLanguage(Locale.KOREA),"String_Node_Str"},{"String_Node_Str","String_Node_Str"},{greek,"String_Node_Str"},{"String_Node_Str","String_Node_Str"},{arabic,"String_Node_Str"},{serbian,"String_Node_Str"},{"String_Node_Str","String_Node_Str"}};
  languageSelectionEditor=new OneLineComboFieldEditor(ITalendCorePrefConstants.LANGUAGE_SELECTOR,Messages.getString("String_Node_Str"),entryNamesAndValues,getFieldEditorParent());
  addField(languageSelectionEditor);
  Composite composite=getFieldEditorParent();
  LabelFieldEditor importAll=new LabelFieldEditor(Messages.getString("String_Node_Str"),composite);
  addField(importAll);
  Button allUpdate=new Button(composite,SWT.FLAT);
  allUpdate.setText(Messages.getString("String_Node_Str"));
  allUpdate.setLayoutData(new GridData());
  allUpdate.addSelectionListener(new SelectionListener(){
    public void widgetSelected(    SelectionEvent e){
      FileDialog fd=new FileDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),SWT.OPEN);
      fd.setText("String_Node_Str");
      fd.setFilterPath("String_Node_Str" + fs);
      String[] filterExtensions={"String_Node_Str"};
      fd.setFilterExtensions(filterExtensions);
      String selected=fd.open();
      if (selected != null) {
        isBabiliButtonClicked=true;
        runProgressMonitorDialog(selected);
        if (MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str")))         PlatformUI.getWorkbench().restart();
      }
    }
    public void widgetDefaultSelected(    SelectionEvent e){
    }
  }
);
  Button restoredefault=new Button(composite,SWT.FLAT);
  restoredefault.setText("String_Node_Str");
  restoredefault.setLayoutData(new GridData());
  restoredefault.addSelectionListener(new SelectionListener(){
    public void widgetDefaultSelected(    SelectionEvent e){
    }
    public void widgetSelected(    SelectionEvent e){
      isBabiliButtonClicked=true;
      runProgressMonitorDialog(Messages.getString("String_Node_Str"));
      if (MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str")))       PlatformUI.getWorkbench().restart();
    }
  }
);
}

Fixed version (ground truth):
@Override protected void createFieldEditors(){
  String spanish="String_Node_Str";
  byte[] utf8Bytes;
  try {
    utf8Bytes=spanish.getBytes("String_Node_Str");
    spanish=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    spanish="String_Node_Str";
  }
  String russian="String_Node_Str";
  try {
    utf8Bytes=russian.getBytes("String_Node_Str");
    russian=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    russian="String_Node_Str";
  }
  String greek="String_Node_Str";
  try {
    utf8Bytes=greek.getBytes("String_Node_Str");
    greek=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    greek="String_Node_Str";
  }
  String arabic="String_Node_Str";
  try {
    utf8Bytes=arabic.getBytes("String_Node_Str");
    arabic=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    arabic="String_Node_Str";
  }
  String serbian="String_Node_Str";
  try {
    utf8Bytes=serbian.getBytes("String_Node_Str");
    serbian=new String(utf8Bytes,"String_Node_Str");
  }
 catch (  UnsupportedEncodingException e1) {
    serbian="String_Node_Str";
  }
  String[][] entryNamesAndValues={{Locale.ENGLISH.getDisplayLanguage(Locale.ENGLISH),Locale.ENGLISH.getLanguage()},{Locale.FRENCH.getDisplayLanguage(Locale.FRENCH),Locale.FRENCH.getLanguage()},{Locale.CHINESE.getDisplayLanguage(Locale.CHINESE),"String_Node_Str"},{Locale.GERMAN.getDisplayLanguage(Locale.GERMAN),Locale.GERMAN.getLanguage()},{Locale.JAPANESE.getDisplayLanguage(Locale.JAPANESE),Locale.JAPANESE.getLanguage()},{Locale.ITALIAN.getDisplayLanguage(Locale.ITALIAN),Locale.ITALIAN.getLanguage()},{"String_Node_Str","String_Node_Str"},{spanish,"String_Node_Str"},{russian,"String_Node_Str"},{Locale.KOREA.getDisplayLanguage(Locale.KOREA),"String_Node_Str"},{"String_Node_Str","String_Node_Str"},{greek,"String_Node_Str"},{"String_Node_Str","String_Node_Str"},{arabic,"String_Node_Str"},{serbian,"String_Node_Str"},{"String_Node_Str","String_Node_Str"},{"String_Node_Str","String_Node_Str"},{"String_Node_Str","String_Node_Str"}};
  languageSelectionEditor=new OneLineComboFieldEditor(ITalendCorePrefConstants.LANGUAGE_SELECTOR,Messages.getString("String_Node_Str"),entryNamesAndValues,getFieldEditorParent());
  addField(languageSelectionEditor);
  Composite composite=getFieldEditorParent();
  LabelFieldEditor importAll=new LabelFieldEditor(Messages.getString("String_Node_Str"),composite);
  addField(importAll);
  Button allUpdate=new Button(composite,SWT.FLAT);
  allUpdate.setText(Messages.getString("String_Node_Str"));
  allUpdate.setLayoutData(new GridData());
  allUpdate.addSelectionListener(new SelectionListener(){
    public void widgetSelected(    SelectionEvent e){
      FileDialog fd=new FileDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),SWT.OPEN);
      fd.setText("String_Node_Str");
      fd.setFilterPath("String_Node_Str" + fs);
      String[] filterExtensions={"String_Node_Str"};
      fd.setFilterExtensions(filterExtensions);
      String selected=fd.open();
      if (selected != null) {
        isBabiliButtonClicked=true;
        runProgressMonitorDialog(selected);
        if (MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str")))         PlatformUI.getWorkbench().restart();
      }
    }
    public void widgetDefaultSelected(    SelectionEvent e){
    }
  }
);
  Button restoredefault=new Button(composite,SWT.FLAT);
  restoredefault.setText("String_Node_Str");
  restoredefault.setLayoutData(new GridData());
  restoredefault.addSelectionListener(new SelectionListener(){
    public void widgetDefaultSelected(    SelectionEvent e){
    }
    public void widgetSelected(    SelectionEvent e){
      isBabiliButtonClicked=true;
      runProgressMonitorDialog(Messages.getString("String_Node_Str"));
      if (MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),Messages.getString("String_Node_Str"),Messages.getString("String_Node_Str")))       PlatformUI.getWorkbench().restart();
    }
  }
);
}