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in_tail: Add a missing nil check for rotated_tw in update_watcher #3754

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merged 1 commit into from May 24, 2022
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2 changes: 1 addition & 1 deletion lib/fluent/plugin/in_tail.rb
Expand Up @@ -511,7 +511,7 @@ def update_watcher(target_info, pe)
if new_position_entry.read_inode == 0
# When follow_inodes is true, it's not cleaned up by refresh_watcher.
# So it should be unwatched here explicitly.
rotated_tw.unwatched = true
rotated_tw.unwatched = true if rotated_tw
@tails[path] = setup_watcher(target_info, new_position_entry)
@tails[path].on_notify
end
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