Wait until @tails is set a new watcher
#2896
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`@tails` can be 0 after Driver::Base#run when [this line](https://github.com/fluent/fluentd/blob/2b7ed60ddc7edbab0dcbb57d4a13c4dd5175512d/lib/fluent/test/driver/base.rb#L96 ) is performed between [#setup_watcher](https://github.com/fluent/fluentd/blob/2b7ed60ddc7edbab0dcbb57d4a13c4dd5175512d/lib/fluent/plugin/in_tail.rb#L334) in [#start_watchers](https://github.com/fluent/fluentd/blob/2b7ed60ddc7edbab0dcbb57d4a13c4dd5175512d/lib/fluent/plugin/in_tail.rb#L368) and [setting the value to @Tails](https://github.com/fluent/fluentd/blob/2b7ed60ddc7edbab0dcbb57d4a13c4dd5175512d/lib/fluent/plugin/in_tail.rb#L373) Signed-off-by: Yuta Iwama <ganmacs@gmail.com>
repeatedly
approved these changes
Mar 18, 2020
cosmo0920
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Mar 18, 2020
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Signed-off-by: Yuta Iwama ganmacs@gmail.com
Which issue(s) this PR fixes:
fixes https://travis-ci.org/github/fluent/fluentd/jobs/663388229#L761
What this PR does / why we need it:
@tailscan be 0 after Driver::Base#runwhen this line is performed between #setup_watcher in #start_watchers and setting the value to @tails
Docs Changes:
no need
Release Note:
no need