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fix shutdown watcher reports

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since 5.x introduced log4j2 as the main logging mechanism, it's
necessary to be more explicit when logging complex objects.

In this case we tell the logger to use the .to_s version of the Snapshot
report generated by the Watcher.
The Snapshot#to_s calls .to_simple_hash.to_s

Fixes #6628
This commit is contained in:
Joao Duarte 2017-02-02 12:11:59 +00:00 • committed by João Duarte
parent 8de53a096f
commit fe885a4a11
1 changed files with 1 additions and 1 deletions
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2
logstash-core/lib/logstash/shutdown_watcher.rb
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@ -44,7 +44,7 @@ module LogStash
@reports << pipeline_report_snapshot
@reports.delete_at(0) if @reports.size > @report_every # expire old report
if cycle_number == (@report_every - 1) # it's report time!
logger.warn(@reports.last)
logger.warn(@reports.last.to_s)
if shutdown_stalled?
logger.error("The shutdown process appears to be stalled due to busy or blocked plugins. Check the logs for more information.") if stalled_count == 0