Program: 124711
Project: 124711
Buggy source:
@Override protected void initializeFields(){
  NoSQLConnection conn=getConnection();
  String dbVersion=conn.getAttributes().get(INoSQLCommonAttributes.DB_VERSION);
  String apiType=conn.getAttributes().get(INoSQLCommonAttributes.API_TYPE);
  String server=conn.getAttributes().get(INoSQLCommonAttributes.HOST);
  String port=conn.getAttributes().get(INoSQLCommonAttributes.PORT);
  String database=conn.getAttributes().get(INoSQLCommonAttributes.DATABASE);
  String user=conn.getAttributes().get(INoSQLCommonAttributes.USERNAME);
  String passwd=conn.getValue(conn.getAttributes().get(INoSQLCommonAttributes.PASSWORD),false);
  Boolean isUseRequireAuth=Boolean.parseBoolean(conn.getAttributes().get(INoSQLCommonAttributes.REQUIRED_AUTHENTICATION));
  if (validText(dbVersion)) {
    dbVersionCombo.setText(repositoryTranslator.getLabel(dbVersion));
  }
 else {
    dbVersionCombo.select(0);
    if (apiTypeCombo != null && !apiTypeCombo.getCombo().isDisposed()) {
      apiTypeCombo.setHideWidgets(false);
    }
  }
  portText.setText(port == null ? ICassandraConstants.DEFAULT_PORT : port);
  if (validText(apiType)) {
    apiTypeCombo.setText(repositoryTranslator.getLabel(apiType));
  }
 else {
    apiTypeCombo.select(0);
    portText.setText(ICassandraConstants.DATASTAX_PORT);
  }
  serverText.setText(server == null ? ICassandraConstants.DEFAULT_HOST : server);
  databaseText.setText(database == null ? "String_Node_Str" : database);
  checkRequireAuthBtn.setSelection(isUseRequireAuth);
  if (checkRequireAuthBtn.getSelection()) {
    userText.setText(user == null ? "String_Node_Str" : user);
    pwdText.setText(passwd == null ? "String_Node_Str" : passwd);
  }
  updateAuthGroup();
}

Fixed version (ground truth):
@Override protected void initializeFields(){
  NoSQLConnection conn=getConnection();
  String dbVersion=conn.getAttributes().get(INoSQLCommonAttributes.DB_VERSION);
  String apiType=conn.getAttributes().get(INoSQLCommonAttributes.API_TYPE);
  String server=conn.getAttributes().get(INoSQLCommonAttributes.HOST);
  String port=conn.getAttributes().get(INoSQLCommonAttributes.PORT);
  String database=conn.getAttributes().get(INoSQLCommonAttributes.DATABASE);
  String user=conn.getAttributes().get(INoSQLCommonAttributes.USERNAME);
  String passwd=conn.getValue(conn.getAttributes().get(INoSQLCommonAttributes.PASSWORD),false);
  Boolean isUseRequireAuth=Boolean.parseBoolean(conn.getAttributes().get(INoSQLCommonAttributes.REQUIRED_AUTHENTICATION));
  if (validText(dbVersion)) {
    dbVersionCombo.setText(repositoryTranslator.getLabel(dbVersion));
  }
 else {
    dbVersionCombo.select(0);
    if (apiTypeCombo != null && !apiTypeCombo.getCombo().isDisposed()) {
      apiTypeCombo.setHideWidgets(true);
    }
  }
  portText.setText(port == null ? ICassandraConstants.DEFAULT_PORT : port);
  if (validText(apiType)) {
    apiTypeCombo.setText(repositoryTranslator.getLabel(apiType));
  }
 else {
    apiTypeCombo.select(0);
    portText.setText(ICassandraConstants.DATASTAX_PORT);
  }
  serverText.setText(server == null ? ICassandraConstants.DEFAULT_HOST : server);
  databaseText.setText(database == null ? "String_Node_Str" : database);
  checkRequireAuthBtn.setSelection(isUseRequireAuth);
  if (checkRequireAuthBtn.getSelection()) {
    userText.setText(user == null ? "String_Node_Str" : user);
    pwdText.setText(passwd == null ? "String_Node_Str" : passwd);
  }
  updateAuthGroup();
}