回帖：五、logstash连接elasticsearch报错503
# ./bin/logstash -e 'input { stdin { } } output { elasticsearch { hosts => ["192.168.41.135:9200"] } }'
......
message=>"Got response code '503' contacting Elasticsearch at
......
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原因：
elasticsearch集群不通
解决：
按上面的问题方法解决es集群问题后恢复