apache/dolphinscheduler · error · ServiceException

ALERT_GROUP_NOT_EXIST

ALERT_GROUP_NOT_EXIST

Error message

ALERT_GROUP_NOT_EXIST

What it means

Thrown by queryAlertGroupById after the permission check passes but alertGroupDao.queryById(id) returns null: no alert group exists with the given id. It is an existence check preventing a null object from being returned to the caller.

Source

Thrown at dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/AlertGroupServiceImpl.java:98

    /**
     * query alert group by id
     *
     * @param loginUser login user
     * @param id        alert group id
     * @return one alert group
     */
    @Override
    public AlertGroup queryAlertGroupById(User loginUser, Integer id) {

        // only admin can operate
        if (!canOperatorPermissions(loginUser, new Object[]{id}, AuthorizationType.ALERT_GROUP, ALERT_GROUP_VIEW)) {
            throw new ServiceException(Status.USER_NO_OPERATION_PERM);
        }
        // check if exist
        AlertGroup alertGroup = alertGroupDao.queryById(id);
        if (alertGroup == null) {
            throw new ServiceException(Status.ALERT_GROUP_NOT_EXIST, id);
        }
        return alertGroup;
    }

    /**
     * paging query alarm group list
     *
     * @param loginUser login user
     * @param searchVal search value
     * @param pageNo    page number
     * @param pageSize  page size
     * @return alert group list page
     */
    @Override
    public PageInfo<AlertGroup> listPaging(User loginUser, String searchVal, Integer pageNo, Integer pageSize) {
        Page<AlertGroup> page = new Page<>(pageNo, pageSize);
        if (loginUser.getUserType().equals(UserType.ADMIN_USER)) {
            IPage<AlertGroup> alertGroupIPage = alertGroupDao.queryAlertGroupPage(page, searchVal);

View on GitHub (pinned to 02eac45a1b)

Solutions

1. Confirm the alert group id; it may have been deleted by another user.
2. Refresh the alert group list to see currently existing groups.
3. If the group is needed, create a new alert group with the desired configuration.

When it happens

Trigger: Thrown at dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/AlertGroupServiceImpl.java:98 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/dolphinscheduler@02eac45a1b (2026-09-06). Data as JSON: /api/errors/d718f59fe85fe8ba. Report an issue: GitHub.