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Fix "This Session's transaction has been rolled back" #25532

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merged 1 commit into from
Aug 5, 2022
+5 −1
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Fix "This Session's transaction has been rolled back" #25532

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6 changes: 5 additions & 1 deletion airflow/models/dagrun.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1138,6 +1138,10 @@ def _create_task_instances(
:param session: the session to use
"""
# Fetch the information we need before handling the exception to avoid
# PendingRollbackError due to the session being invalidated on exception
# see https://github.com/apache/superset/pull/530
run_id = self.run_id
try:
if hook_is_noop:
session.bulk_insert_mappings(TI, tasks)
Expand All @@ -1151,7 +1155,7 @@ def _create_task_instances(
self.log.info(
'Hit IntegrityError while creating the TIs for %s- %s',
dag_id,
self.run_id,
run_id,
exc_info=True,
)
self.log.info('Doing session rollback.')
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