apache/superset · error · AlertQueryTimeout

A timeout occurred while executing the query.

Error message

A timeout occurred while executing the query.

What it means

Error "A timeout occurred while executing the query." thrown in apache/superset.

Source

Thrown at superset/commands/report/alert.py:261

                        sql=rendered_sql,
                        force_dataset_match=True,
                    )
                except SupersetSecurityException as ex:
                    raise AlertQueryError(
                        message=_("Alert query failed the authorization check")
                    ) from ex
                start = default_timer()
                df = self._report_schedule.database.get_df(sql=limited_rendered_sql)
                stop = default_timer()
                logger.info(
                    "Query for %s took %.2f ms",
                    self._execution_id,
                    (stop - start) * 1000.0,
                )
                return df
        except SoftTimeLimitExceeded as ex:
            logger.warning("A timeout occurred while executing the alert query: %s", ex)
            raise AlertQueryTimeout() from ex
        except ReportScheduleExecutorNotFoundError:
            # A missing executor user is a configuration problem, not a transient
            # query error; surface the typed error rather than masking it.
            raise
        except AlertQueryError:
            # Re-raise the typed validation/authorization errors as-is instead
            # of masking them behind the generic error below.
            raise
        except Exception as ex:
            logger.warning("An error occurred when running alert query")
            # The exception message here can reveal to much information to malicious
            # users, so we raise a generic message.
            raise AlertQueryError(
                message=_("An error occurred when running alert query")
            ) from ex

    def validate(self) -> None:
        """

View on GitHub (pinned to f4587218dd)

Solutions

1. Optimize the alert query or increase the alert/query timeout configuration.
2. Retry when the database is under lighter load.

When it happens

Trigger: The alert query exceeds the configured execution timeout.

Common situations: Running an alert query that exceeds the configured SQL Lab async timeout.

Understand the failure class

• Timeouts: ETIMEDOUT, deadlines, and hung requests — what actually expires when a request times out.

AI-assisted analysis of apache/superset@f4587218dd (2026-08-14). Data as JSON: /api/errors/85a537fbc0c16023. Report an issue: GitHub.