Problemsby GlyphApache Airflow is too complex to run well
34 posts from 32 people22d activeSteady, +1 this week
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Keycloak auth manager: API returns 500 ('NoneType' object has no attribute 'access_token') when the Keycloak tokens of a browser session are missing or expired
### Under which category would you file this issue? Providers ### Apache Airflow version 3.3.2 (also reproduced against main; the code path is unchanged in 3.4.0rc with `apache-airflow-providers-keycloak` 0.11.2) ### What happened and how to reproduce it? With the Keycloak auth...
`db clean --skip-archive` still copies deletion candidates into temporary archive tables prior to deletion.
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.2 ### What happened and how to reproduce it? On any Airflow 3.3.2 metadata database containing log rows older than the cutoff, run: You can see the following per-batch output: 1....
FAB auth: deep link redirects to home page when UI JWT expired but FAB session still valid (next is dropped)
...early-return (otherwise the SPA would immediately 401 again and loop back to login). Workaround we're using in `webserver_config.py`: ### Operating System Linux ### Deployment Other 3rd-party Helm chart / Kubernetes ### Apache Airflow Provider(s) fab ### Versions of Apache...
Cannot enter letter "g" in Trigger Dag dialog, Configuration JSON field
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.1 ### What happened and how to reproduce it? In Dags view, select a Dag, then click on the Trigger button. In the Trigger Dag dialog, click on Advanced Options and start entering text...
New Windows PT time zone results in UI error due to unresolved time zone
...to `selectedTimezone.toUpperCase()` where `selectedTimezone` is undefined due to being unable to resolve the OS time zone to an IANA name. Reproduction: 1. Set your Windows time zone to Pacific Time (UTC -7:00) 2. Clear browser local storage for the Airflow server 3. Log in to...
dag-processor --num-runs never exits after a Dag callback on a versioned bundle
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.1 ### What happened and how to reproduce it? **Issue Description** With a versioning bundle, `airflow dag-processor --num-runs N` never exits once it has handled a Dag callback. A...
BranchDateTimeOperator takes the false branch after midnight in an overnight time window
### Under which category would you file this issue? Providers ### Apache Airflow version main (commit 57a4751c96, airflow-core 3.4.0) ### What happened and how to reproduce it? **Issue Description** When `target_lower` / `target_upper` are `datetime.time` values and the window...
Serialized tasks repeat timedelta fields that match client_defaults
### Under which category would you file this issue? Airflow Core ### Apache Airflow version main ### What happened and how to reproduce it? Serialization omits a task field when it matches `client_defaults` or the schema default, but `timedelta` fields never match: the operator...
Deadline Alert: No support for SmtpNotifier
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.2 ### What happened and how to reproduce it? The [DAG documentation](https://airflow.apache.org/docs/apache-airflow/stable/core-concepts/dags.html#deadline-alerts) mentions the...
Dags button click does not lead to Dags page
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.4.0beta2 ### What happened and how to reproduce it? Tiny UI nit in the 3.4 beta 2. If you click on the Dags entry in the sidebar you don't automatically get the Dags page like in 3.3....
CeleryExecutor rejects "executeCallback" workloads, causing "SyncCallback" deadline alerts to fail
...above. The callback's `Deadline missed` log message is not emitted. ### 5. Test the workaround Downgrade `apache-airflow-providers-celery` to `3.18.0` on the scheduler and all workers, without changing the DAG or callback module. In my environment, the callback executes...
.airflowignore rules are lost when a Dag folder symlink switches during a scan
### Under which category would you file this issue? Airflow Core ### Apache Airflow version main (91a8ab6950); initially observed on 2.11.2 ### What happened and how to reproduce it? When git-sync atomically replaces the symlink used by the Dag folder during file discovery,...
Metadata secret required for workers
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.2.2 ### What happened and how to reproduce it? Workers in Airflow 3 do not connect directly to the metadata db however they still require a metadata secret. Deploy a simple...
GET /assets/events returns each event once per asset when name_prefix_pattern is ~
...because it is transformed to `%`, which is truthy, so the join is added. I have a failing test and a one-line fix ready and will open a PR. ### Are you willing to submit PR? - [x] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to follow this project's [Code...
Clear task instance broken
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.4.0b1 ### What happened and how to reproduce it? 1. Try to clear a TI for any Dag which has a dagrun already. 2. Notice, no action done since request payload has dry_run=true Response:...
Dagrun state badge needs a page refresh to reflect correct state
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.4.0b1 ### What happened and how to reproduce it? On Dag list page, trigger a dag manually and see badge state is not updated even after dagrun finishes, needs page refresh to update the...
execution_timeout on @task.stub tasks is not enforced
### Under which category would you file this issue? Task SDK ### Apache Airflow version main ### What happened and how to reproduce it? A `@task.stub` task is declared in a Python Dag and runs in a language SDK. Its `execution_timeout` is set on the Python stub and is serialized...
Plugin 'kafka_event_producer' already registered
### Under which category would you file this issue? Providers ### Apache Airflow version 3.3.2 ### What happened and how to reproduce it? The fresh Airflow installation. Installation command pip install...
Gantt view instantly reverts to Grid when another browser tab is open on a page without a `run_id`
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.2 ### What happened and how to reproduce it? On a DAG run page, clicking the Gantt icon does not switch to the Gantt chart if another Airflow tab in the web browser is on a route with...
DAG.test() fails for tasks whose task_id contains non ASCII characters
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.2, main ### What happened and how to reproduce it? Running a DAG with `DAG.test()` fails for any task whose `task_id` contains a non ASCII character, as soon as that task pushes a...
Graph View layout became much more compressed and harder to read after upgrade from 3.1.5 to 3.3.2
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.2 ### What happened and how to reproduce it? After upgrading Airflow from 3.1.5 to 3.3.2, the layout of the asset/DAG dependency graph changed significantly. In Airflow 3.1.5, the...
Docs for reproducing heartbeat timeout won't reproduce heartbeat timeout
### Under which category would you file this issue? Airflow Core ### Apache Airflow version n/a ### What happened and how to reproduce it? The [docs for reproducing heartbeat...
Git-Sync Containers Miss Default Security Hardening
### Under which category would you file this issue? Helm chart ### Apache Airflow version main (20f90a6e10) ### What happened and how to reproduce it? When DAG git-sync is enabled without an explicit container security context, both the git-sync sidecar and init container...
OTel Collector Misses Default Container Security Context
### Under which category would you file this issue? Helm chart ### Apache Airflow version main (d339bb2767) ### What happened and how to reproduce it? When the OTel Collector is enabled without an explicit `otelCollector.securityContexts.container` value, its container renders...
Grid "Number of Dag Runs" selection is lost on tab switch and not remembered since 3.3.0
### Under which category would you file this issue? UI ### Apache Airflow version 3.3.2 ### What happened and how to reproduce it? Since 3.3.0, the "Number of Dag Runs" selection on the Dag details page is lost almost immediately while browsing and is never remembered on the...
Pool PATCH with update_mask still requires include_deferred and the pool name
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.2 ### What happened and how to reproduce it? A client can't update just the slots of a pool. `PATCH /api/v2/pools/{pool_name}?update_mask=slots` with `{"slots": 8}` returns 422...
Dag version inflation check runs against zip file instead of individual dags
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.1 ### What happened and how to reproduce it? Dags that are deployed as zip files do not trigger the dag version inflation check configured in dag_version_inflation_check_level because...
Windows test collection fails with UnicodeDecodeError in provider dependency refresh
### Under which category would you file this issue? Airflow Core ### Apache Airflow version main checkout at commit 49674b776d ### What happened and how to reproduce it? On Windows, running a focused provider test can fail during pytest collection before any tests are collected....
CelleryExecutor does not respect AIRFLOW__OPERATORS__DEFAULT_QUEUE for SyncCallback
...how to reproduce it? When I set a DAG deadline through a `SyncCallback`, the scheduler fails to execute the callback because my Airflow setup does not have a queue named default. I configure the default queue with `AIRFLOW__OPERATORS__DEFAULT_QUEUE`, but the CeleryExecutor does...
Google Secrets Backend logs on every connection reference when using ADC
### Under which category would you file this issue? Providers ### Apache Airflow version Airflow 3.3.1 ### What happened and how to reproduce it? [Configure Google Secrets Backend...
KubernetesExecutor: delete_pod fires before the self.running dedup check, causing repeated deletes per TaskInstanceKey
### Under which category would you file this issue? Providers ### Apache Airflow version 3.3.1 ### What happened and how to reproduce it? KubernetesExecutor issues 2-3 delete_pod API calls for the same finished worker pod instead of one. The first call succeeds; the rest return...
ti.get_previous_ti method is not optimized
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.3.0 ### What happened and how to reproduce it? When we execute `ti.get_previous_ti(state='success')` airflow collects all task instances from the database and then gets the latest on...
UI: durations and relative times render in English in all non-English locales (dayjs.locale() is never set)
### Under which category would you file this issue? Airflow Core ### Apache Airflow version 3.2.0 ### What happened and how to reproduce it? The Dag deadline tooltip is only half translated. The sentence template and the reference point come out in the selected language, but the...
BeamRunJavaPipelineOperator deferrable impersonation chain issue
### Under which category would you file this issue? Airflow Core ### Apache Airflow version Airflow 2.11.1 ### What happened and how to reproduce it? "When running _BeamRunJavaPipelineOperator_ with `deferrable=True `and `impersonation_chain='target_service_account',` I get an...
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About this problem
Evidence
34 posts from 32 people in 1 place, about 3 a week over 69 days. Mostly on apache/airflow. Tools named alongside: Kubernetes, GitHub, Docker, PostgreSQL.
Frustration Frustration 0 of 3· Seen on GitHub issues
Summary, model-written
Apache Airflow users face redundant Kubernetes pod deletion API calls, pipeline operator impersonation errors, partially translated tooltips, and inefficient database queries when fetching previous tasks.
How it was grouped
Posts that state a pain and match the "k8s-complexity" rule about Apache Airflow. First post Aug 27, 2026, latest Nov 3, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
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Other Apache Airflow problems
Apache Airflow users keep filing bugs
Top post: "Status of testing Providers that were prepared on October 20, 2026", one of 41 posts from 31 people on GitHub issues, Reddit.
Apache Airflow jobs fail silently or break often
13 posts from 12 people on GitHub issues, Stack Overflow.
Apache Airflow upgrades break working setups
11 posts from 10 people on GitHub issues.
Debugging Apache Airflow failures is hard
7 posts from 6 people on GitHub issues.
Apache Airflow login, SSO or OAuth breaks
4 posts from 3 people on GitHub issues.
Apache Airflow backfills are slow and risky
4 posts from 4 people on GitHub issues.
Trouble with Apache Airflow retry
Top post: "Task state store writes from `on_retry_callback` fail with 404", one of 3 posts from 3 people on GitHub issues.
Trouble with Apache Airflow dags
Top post: "DagModel.owners falls back to 'airflow' for Dags with only mapped tasks (LazyDeserializedDAG.owner ignores", one of 3 posts from 3 people on GitHub issues.
Trouble with Apache Airflow backend
Top post: "Support [workers] state_store_backend in language SDK tasks", one of 3 posts from 3 people on GitHub issues.
Apache Airflow lock-in makes switching costly
2 posts from 2 people on GitHub issues. Unverified.
Apache Airflow runs out of memory
2 posts from 2 people on GitHub issues. Unverified.
Apache Airflow permissions are confusing and error-prone
2 posts from 2 people on GitHub issues. Unverified.
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