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https://issues.apache.org/jira/browse/AIRFLOW-95?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ash Berlin-Taylor closed AIRFLOW-95.
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Resolution: Not A Problem
> 'Mark downstream tasks as successful' raises an exception
> ---------------------------------------------------------
>
> Key: AIRFLOW-95
> URL: https://issues.apache.org/jira/browse/AIRFLOW-95
> Project: Apache Airflow
> Issue Type: Bug
> Components: ui
> Environment: EC2 t2.medium instance,
> Docker `version 1.11.1, build 5604cbe`,
> Host is `Linux ip-172-31-44-140 3.13.0-85-generic #129-Ubuntu SMP Thu Mar 17
> 20:50:15 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux`,
> Docker containers are built upon the `python:3.5` image,
> LocalExecutor is used with two scheduler containers running,
> Airflow @ dddfd3b5bf2cabaac6eec123dfa3cb59e73a56f5
> Reporter: Bence Nagy
> Priority: Major
>
> Affected version: {{dddfd3b5bf2cabaac6eec123dfa3cb59e73a56f5}}
> Steps to reproduce:
> 1. Add any DAG with a task depending on another
> 2. Go to the web UI's tree view
> 3. Click the depended upon task's latest execution
> 4. Click the 'Downstream' button next 'Mark Success', then click 'Mark
> Success'
> This gives me the following exception (but only if there's at least one
> downstream task that should be selected):
> {code}
> Traceback (most recent call last):
> File "/usr/local/lib/python3.5/site-packages/flask/app.py", line 1817, in
> wsgi_app
> response = self.full_dispatch_request()
> File "/usr/local/lib/python3.5/site-packages/flask/app.py", line 1477, in
> full_dispatch_request
> rv = self.handle_user_exception(e)
> File "/usr/local/lib/python3.5/site-packages/flask/app.py", line 1381, in
> handle_user_exception
> reraise(exc_type, exc_value, tb)
> File "/usr/local/lib/python3.5/site-packages/flask/_compat.py", line 33, in
> reraise
> raise value
> File "/usr/local/lib/python3.5/site-packages/flask/app.py", line 1475, in
> full_dispatch_request
> rv = self.dispatch_request()
> File "/usr/local/lib/python3.5/site-packages/flask/app.py", line 1461, in
> dispatch_request
> return self.view_functions[rule.endpoint](**req.view_args)
> File "/usr/local/lib/python3.5/site-packages/flask_admin/base.py", line 68,
> in inner
> return self._run_view(f, *args, **kwargs)
> File "/usr/local/lib/python3.5/site-packages/flask_admin/base.py", line
> 367, in _run_view
> return fn(self, *args, **kwargs)
> File "/usr/local/lib/python3.5/site-packages/flask_login.py", line 755, in
> decorated_view
> return func(*args, **kwargs)
> File "/usr/local/lib/python3.5/site-packages/airflow/www/utils.py", line
> 118, in wrapper
> return f(*args, **kwargs)
> File "/usr/local/lib/python3.5/site-packages/airflow/www/utils.py", line
> 167, in wrapper
> return f(*args, **kwargs)
> File "/usr/local/lib/python3.5/site-packages/airflow/www/views.py", line
> 1185, in success
> task=task_id_to_dag[task_id].get_task(task_id),
> KeyError: 'id_of_downstream_task'
> {code}
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