Im running ELK stack, and everything seems to be running ok, receiving events from logstash and data is observable in our kibana dashboard, but noticed these in the elasticsearch logs. Is there anything I can do or can I ignore this? [2015-07-23 10:01:25,785][WARN ][http.netty ] [test…

Getting "empty text" and "invalid version format" in elasticsearch log

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Getting "empty text" and "invalid version format" in elasticsearch log