The ApiError class provides the basic framework for an error

• timestamp Time at which Error occurred
• code Error code
• status Error status
• errors Error that is thrown
• message Description why error occurred

List of all exceptions with short description sorted by status codes

EmptyParameterException One/multiple requested/posted parameters are empty

InvalidParameterTypeException One/multiple requested/posted parameters are invalid types

InvalidParameterLengthException One/multiple requested/posted parameters are too long/short

Invalid<Class>IDException Invalid ID when creating (Must be zero)

IconInUseException Icon still in use, cannot be deleted

InvalidCredentialsException Invalid Credentials when trying to log in

AccessDeniedException User not allowed to view this page

NoPermissionToDelete<Class>Exception User is not allowed to delete this

NoPermissionToEdit<Class>Exception User is not allowed to edit this

NoPermissionToModify<Class>Exception User is not allowed to create/edit/delete >Class>

NoPermissionToAddUserToModuleException User is not allowed to add this user to module

NoPermissionToRemoveUserFromModuleException User is not allowed to remove this user from module

UserCannotBeAddedToModuleException User is not allowed to be added to modules

UserNotInModuleException User can't be found in module

SubmissionAfterDeadlineException Submission was too late

NoAccessToExerciseException User doesn't have access to exercise

UserNeedsToSubmitBeforeRatingException User didn't enter submission for this exercise, can't rate exercise

NoPermissionToPostNotificationException User has no Permission to send this notification

NoPermissionToRemoveNotificationRelationException User has no Permission remove this Notification for this user

NoPermissionToCreateIconException Only Admins can create new Icons

NoPermissionToMarkAsReadException Users may only mark their own notifications as read

PageNotFoundException Accessed Page doesn't exist

<Class>NotFoundException ID doesn't exist

UnprocessableEntityException Entity couldn't be processed

UserAlreadyExistsException Username already exists in the database

SubmissionAlreadyExistsException User already submitted to that task

WrongSubmissionTypeException Exercise Type and submission types have to match. The submission type given inside the submission and the actually given type have to match

QuestionDoesNotBelongToExerciseException Question given to a wrong task

AnswerDoesNotBelongToQuestionException Answer was given to a false question

ExerciseMustIncludeMcSchemeException Exercises with mc type must include a mc scheme

ReservedLdapUsernameException The submitted username is reserved for LDAP users

BadPasswordException The submitted password does not meet the required criteria

InternalServerError Unexpected Server Error

NotYetImplementedException Method not implemented yet

src/main/kotlin/com/example/atlasbackend/exception/Exceptions.kt

The GlobalExceptionHandler implements the error objects from Exceptions.kt using the ApiError class

@ExceptionHandler(value = [<ExceptionObject>::class])
    fun exception(exception: <ExceptionObject>): ResponseEntity<ApiError> {
        val err = ApiError(<statuscode>, HttpStatus.<status>, "<ExceptionObject>", "<message>")
        return ResponseEntity<ApiError>(err, HttpStatus.<statuscode>)
    }