in_tail: Skip setup failed watcher to avoid resource leak and log blo…

…at. Backport fluent#1742
mururu · Nov 18, 2017 · a1477d6 · a1477d6
1 parent fb743e3
commit a1477d6
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/fluent/plugin/in_tail.rb b/lib/fluent/plugin/in_tail.rb
@@ -499,6 +499,7 @@ def on_rotate(io)
               io_handler = IOHandler.new(io, @pe, @log, @read_lines_limit, &method(:wrap_receive_lines))
               @io_handler = io_handler
             else # file is rotated and new file found
+              io.close unless io.closed?
               @update_watcher.call(@path, swap_state(@pe))
             end
           else # file is rotated and new file not found