in_tail: Detach and close watcher explicitly on failure at #start_wat…

…chers Watchers should be detached and closed explicitly due to Cool.io objects. Signed-off-by: Hiroshi Hatake <[email protected]>
fluent · Mar 3, 2021 · 3ff9cb0 · 3ff9cb0
1 parent 48ff30d
commit 3ff9cb0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/fluent/plugin/in_tail.rb b/lib/fluent/plugin/in_tail.rb
@@ -418,7 +418,8 @@ def start_watchers(targets_info)
           @tails[target_info] = tw
         rescue Errno::ENOENT
           $log.warn "stat() for #{target_info.path} failed with ENOENT. Drop tail watcher for now."
-          # explicitly detach and close watcher `tw`, or is it being garbage-collected?
+          # explicitly detach and unwatched watcher `tw`.
+          stop_watchers(target_info, immediate: true, unwatched: true)
         end
       }
     end