is properly shut down before you start a new one. An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: • Expected errors (in Task.throws) 56 Chapter 2. Contents Celery Documentation, Release 4.2.1 Logged with

is properly shut down before you start a new one. An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: • Expected errors (in Task.throws) 56 Chapter 2. Contents Celery Documentation, Release 4.2.0 Logged with

is properly shut down before you start a new one. An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: • Expected errors (in Task.throws) 56 Chapter 2. Contents Celery Documentation, Release 4.2.2 Logged with

Getting Started 27 Celery Documentation, Release 4.4.2 An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: • Expected errors (in Task.throws) Logged with severity INFO, traceback excluded. • Unexpected errors Logged

Getting Started 27 Celery Documentation, Release 4.4.1 An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: • Expected errors (in Task.throws) Logged with severity INFO, traceback excluded. • Unexpected errors Logged

Getting Started 27 Celery Documentation, Release 4.4.0 An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: • Expected errors (in Task.throws) Logged with severity INFO, traceback excluded. • Unexpected errors Logged

is properly shut down before you start a new one. An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to succeeds. 58 Chapter 3. Contents Celery Documentation, Release 4.3.0 Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: • Expected errors (in Task.throws) Logged with severity INFO, traceback excluded. • Unexpected errors Logged

is properly shutdown before you start a new one. An old worker that aren’t configured with the expected result backend may be running and is hijack- ing the tasks. The --pidfile argument can be set to succeeds. 54 Chapter 2. Contents Celery Documentation, Release 4.0.0 Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported included. Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: •Expected errors (in Task.throws) Logged with severity INFO, traceback excluded. •Unexpected errors Logged

is properly shut down before you start a new one. An old worker that isn’t configured with the expected result backend may be running and is hijacking the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported included. Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: •Expected errors (in Task.throws) Logged with severity INFO, traceback excluded. •Unexpected errors Logged

is properly shutdown before you start a new one. An old worker that aren’t configured with the expected result backend may be running and is hijack- ing the tasks. The --pidfile argument can be set to the retry limit and the task will retry forever until it succeeds. Task.throws Optional tuple of expected error classes that shouldn’t be regarded as an actual error. Errors in this list will be reported included. Example: @task(throws=(KeyError, HttpNotFound)): def get_foo(): something() Error types: •Expected errors (in Task.throws) Logged with severity INFO, traceback excluded. •Unexpected errors Logged