Program: 124303
Project: 124303
Buggy source:
private boolean validateFields(){
  String errorMsg=null;
  boolean valid=true;
  IBrandingService brandingService=(IBrandingService)GlobalServiceRegister.getDefault().getService(IBrandingService.class);
  boolean isOnlyRemoteConnection=brandingService.getBrandingConfiguration().isOnlyRemoteConnection();
  boolean usesMailCheck=brandingService.getBrandingConfiguration().isUseMailLoginCheck();
  LabelText emptyUrl=null;
  if (getRepository() != null) {
    for (    LabelText currentUrlLabel : dynamicRequiredControls.get(getRepository()).values()) {
      if (valid && currentUrlLabel.getText().length() == 0) {
        emptyUrl=currentUrlLabel;
      }
    }
  }
  if (valid && getRepository() == null) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && getName().length() == 0) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && getUser().length() == 0) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && usesMailCheck && !Pattern.matches(RepositoryConstants.MAIL_PATTERN,getUser())) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && emptyUrl != null) {
    errorMsg=Messages.getString("String_Node_Str",emptyUrl.getLabel());
  }
 else   if (valid && isOnlyRemoteConnection) {
    List<ILoginConnectionService> loginConnections=LoginConnectionManager.getRemoteConnectionService();
    for (    ILoginConnectionService loginConncetion : loginConnections) {
      errorMsg=loginConncetion.checkConnectionValidation(getName(),getDesc(),getUser(),getPassword(),getWorkspace(),connection.getDynamicFields().get(RepositoryConstants.REPOSITORY_URL));
    }
  }
  if (errorMsg != null && !errorMsg.equals("String_Node_Str")) {
    valid=false;
  }
  if (!valid) {
    dialog.setErrorMessage(errorMsg);
  }
 else {
    dialog.setErrorMessage(null);
  }
  if (connection != null) {
    connection.setComplete(valid);
  }
  return valid;
}

Fixed version (ground truth):
private boolean validateFields(){
  String errorMsg=null;
  boolean valid=true;
  IBrandingService brandingService=(IBrandingService)GlobalServiceRegister.getDefault().getService(IBrandingService.class);
  boolean isOnlyRemoteConnection=brandingService.getBrandingConfiguration().isOnlyRemoteConnection();
  boolean usesMailCheck=brandingService.getBrandingConfiguration().isUseMailLoginCheck();
  LabelText emptyUrl=null;
  if (getRepository() != null) {
    for (    LabelText currentUrlLabel : dynamicRequiredControls.get(getRepository()).values()) {
      if (valid && currentUrlLabel.getText().length() == 0) {
        emptyUrl=currentUrlLabel;
      }
    }
  }
  if (valid && getRepository() == null) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && getName().length() == 0) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && getUser().length() == 0) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && usesMailCheck && !Pattern.matches(RepositoryConstants.MAIL_PATTERN,getUser())) {
    errorMsg=Messages.getString("String_Node_Str");
  }
 else   if (valid && emptyUrl != null) {
    errorMsg=Messages.getString("String_Node_Str",emptyUrl.getLabel());
  }
 else   if (valid && isOnlyRemoteConnection) {
    List<ILoginConnectionService> loginConnections=LoginConnectionManager.getRemoteConnectionService();
    for (    ILoginConnectionService loginConncetion : loginConnections) {
      errorMsg=loginConncetion.checkConnectionValidation(getName(),getDesc(),getUser(),getPassword(),getWorkspace(),connection.getDynamicFields().get(RepositoryConstants.REPOSITORY_URL));
    }
  }
  if (errorMsg != null && !errorMsg.equals("String_Node_Str")) {
    valid=false;
  }
  if (!valid) {
    dialog.setErrorMessage(errorMsg);
  }
 else {
    dialog.setErrorMessage(null);
  }
  if (connection != null) {
    connection.setComplete(valid);
    connectionsListComposite.refresh(connection);
  }
  return valid;
}