Commits on Apr 13, 2021

1. in_tail: Fix an incorrect error handling …

   This commit fixes the following error reported at #3327, it will occur
   when a file is removed after calling setup_watcher and before
   registering the created watcher.
   
     2021-04-12 16:00:21 -0700 [warn]: stat() for /var/log/containers/obfuscated_container_xxx_1.log failed with ENOENT. Drop tail watcher for now.
     2021-04-12 16:00:21 -0700 [error]: unexpected error error_class=NoMethodError error="undefined method `each_value' for #<Fluent::Plugin::TailInput::TargetInfo:0x00005641d5026828>\nDid you mean?  each_slice"
       2021-04-12 16:00:21 -0700 [error]: /usr/local/lib/ruby/gems/2.7.0/gems/fluentd-1.12.2/lib/fluent/plugin/in_tail.rb:428:in `stop_watchers'
       2021-04-12 16:00:21 -0700 [error]: /usr/local/lib/ruby/gems/2.7.0/gems/fluentd-1.12.2/lib/fluent/plugin/in_tail.rb:422:in `rescue in block in start_watchers'
       2021-04-12 16:00:21 -0700 [error]: /usr/local/lib/ruby/gems/2.7.0/gems/fluentd-1.12.2/lib/fluent/plugin/in_tail.rb:416:in `block in start_watchers'
       2021-04-12 16:00:21 -0700 [error]: /usr/local/lib/ruby/gems/2.7.0/gems/fluentd-1.12.2/lib/fluent/plugin/in_tail.rb:396:in `each_value'
       2021-04-12 16:00:21 -0700 [error]: /usr/local/lib/ruby/gems/2.7.0/gems/fluentd-1.12.2/lib/fluent/plugin/in_tail.rb:396:in `start_watchers'
   
   Signed-off-by: Takuro Ashie <ashie@clear-code.com>

   

   ashie committed Apr 13, 2021
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