filter { grok { match => ["message", "%{TIMESTAMP_ISO8601:a} %{WORD} %{USER}] %{WORD} %{WORD} %{WORD:keyvalue}"] add_tag => "warn" } metrics { meter => "events.%{keyvalue}" add_tag => "metric" ignore_older_than => 10 } if "metric" in [tags] { ruby { code => "event.cancel if event.get('event…

Ruby exception occurred: undefined method `*' for nil:NilClass

magnusbaeck (Magnus Bäck) May 4, 2017, 5:20am 2

Subfields are referenced via [field][subfield], not field.subfield, so you need to adjust your event.get call.

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