Examples of grails.validation.ValidationErrors.addError()

            for (Object error : bindingResult.getAllErrors()) {
                if (error instanceof FieldError) {
                    FieldError fieldError = (FieldError)error;
                    final boolean isBlank = BLANK.equals(fieldError.getRejectedValue());
                    if (!isBlank) {
                        newResult.addError(fieldError);
                    }
                    else if (domain.hasPersistentProperty(fieldError.getField())) {
                        final boolean isOptional = domain.getPropertyByName(fieldError.getField()).isOptional();
                        if (!isOptional) {
                            newResult.addError(fieldError);

                        newResult.addError(fieldError);
                    }
                    else if (domain.hasPersistentProperty(fieldError.getField())) {
                        final boolean isOptional = domain.getPropertyByName(fieldError.getField()).isOptional();
                        if (!isOptional) {
                            newResult.addError(fieldError);
                        }
                    }
                    else {
                        newResult.addError(fieldError);
                    }

                        if (!isOptional) {
                            newResult.addError(fieldError);
                        }
                    }
                    else {
                        newResult.addError(fieldError);
                    }
                }
                else {
                    newResult.addError((ObjectError)error);
                }

                    else {
                        newResult.addError(fieldError);
                    }
                }
                else {
                    newResult.addError((ObjectError)error);
                }
            }
            bindingResult = newResult;
        }
        MetaClass mc = GroovySystem.getMetaClassRegistry().getMetaClass(object.getClass());

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