Program: 124596
Project: 124596
Buggy source:
@Override protected void addFieldsListeners(){
  whcHostnameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_WEB_HCAT_HOSTNAME,whcHostnameText.getText());
      checkFieldsValue();
    }
  }
);
  whcPortText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_WEB_HCAT_PORT,whcPortText.getText());
      checkFieldsValue();
    }
  }
);
  whcUsernameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_WEB_HCAT_USERNAME,whcUsernameText.getText());
      checkFieldsValue();
    }
  }
);
  whcJobResultFolderText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_WEB_HCAT_JOB_RESULT_FOLDER,whcJobResultFolderText.getText());
      checkFieldsValue();
    }
  }
);
  hdiUsernameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_HDI_USERNAME,hdiUsernameText.getText());
      checkFieldsValue();
    }
  }
);
  hdiPasswordText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_HDI_PASSWORD,hdiPasswordText.getText());
      checkFieldsValue();
    }
  }
);
  azureHostnameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_HOSTNAME,azureHostnameText.getText());
      checkFieldsValue();
    }
  }
);
  azureContainerText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_CONTAINER,azureContainerText.getText());
      checkFieldsValue();
    }
  }
);
  azureUsernameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_USERNAME,azureUsernameText.getText());
      checkFieldsValue();
    }
  }
);
  azurePasswordText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_PASSWORD,azurePasswordText.getText());
      checkFieldsValue();
    }
  }
);
  azureDeployBlobText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_DEPLOY_BLOB,azureDeployBlobText.getText());
      checkFieldsValue();
    }
  }
);
}

Fixed version (ground truth):
@Override protected void addFieldsListeners(){
  whcHostnameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_WEB_HCAT_HOSTNAME,whcHostnameText.getText());
      checkFieldsValue();
    }
  }
);
  whcPortText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_WEB_HCAT_PORT,whcPortText.getText());
      checkFieldsValue();
    }
  }
);
  whcUsernameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_WEB_HCAT_USERNAME,whcUsernameText.getText());
      checkFieldsValue();
    }
  }
);
  hdiUsernameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_HDI_USERNAME,hdiUsernameText.getText());
      checkFieldsValue();
    }
  }
);
  hdiPasswordText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_HDI_PASSWORD,hdiPasswordText.getText());
      checkFieldsValue();
    }
  }
);
  azureHostnameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_HOSTNAME,azureHostnameText.getText());
      checkFieldsValue();
    }
  }
);
  azureContainerText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_CONTAINER,azureContainerText.getText());
      checkFieldsValue();
    }
  }
);
  azureUsernameText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_USERNAME,azureUsernameText.getText());
      checkFieldsValue();
    }
  }
);
  azurePasswordText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_PASSWORD,azurePasswordText.getText());
      checkFieldsValue();
    }
  }
);
  azureDeployBlobText.addModifyListener(new ModifyListener(){
    @Override public void modifyText(    final ModifyEvent e){
      getConnection().getParameters().put(ConnParameterKeys.CONN_PARA_KEY_AZURE_DEPLOY_BLOB,azureDeployBlobText.getText());
      checkFieldsValue();
    }
  }
);
}