Remove BackfillJobRunner class (apache#42943)

airflow/cli/cli_config.py

@@ -924,7 +924,7 @@ def string_lower_type(val):
 # jobs check
 ARG_JOB_TYPE_FILTER = Arg(
  ("--job-type",),
- choices=("BackfillJob", "LocalTaskJob", "SchedulerJob", "TriggererJob", "DagProcessorJob"),
+ choices=("LocalTaskJob", "SchedulerJob", "TriggererJob", "DagProcessorJob"),
  action="store",
  help="The type of job(s) that will be checked.",
 )

airflow/exceptions.py

@@ -327,31 +327,6 @@ class PoolNotFound(AirflowNotFoundException):
  """Raise when a Pool is not available in the system."""
 
 
-class NoAvailablePoolSlot(AirflowException):
- """Raise when there is not enough slots in pool."""
-
-
-class DagConcurrencyLimitReached(AirflowException):
- """Raise when DAG max_active_tasks limit is reached."""
-
-
-class TaskConcurrencyLimitReached(AirflowException):
- """Raise when task max_active_tasks limit is reached."""
-
-
-class BackfillUnfinished(AirflowException):
- """
- Raises when not all tasks succeed in backfill.
-
- :param message: The human-readable description of the exception
- :param ti_status: The information about all task statuses
- """
-
- def __init__(self, message, ti_status):
- super().__init__(message)
- self.ti_status = ti_status
-
-
 class FileSyntaxError(NamedTuple):
  """Information about a single error in a file."""