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579af626f5
Investigating the test failure reported in #45518 it appears that the datafeed task was not found during a tast state update. There are only two places where such an update is performed: when we set the state to `started` and when we set it to `stopping`. We handle `ResourceNotFoundException` in the latter but not in the former. Thus the test reveals a rare race condition where the datafeed gets requested to stop before we managed to update its state to `started`. I could not reproduce this scenario but it would be my best guess. This commit catches `ResourceNotFoundException` while updating the state to `started` and lets the task terminate smoothly. Closes #45518 Backport of #46495