If you’ve recently upgraded to Elasticsearch 2.0 and Logstash 2.0, you may find that Logstash is no longer able to create indexes in Elasticsearch, as evidenced by the following error in the Elasticsearch logs. [code lang=text] MapperParsingException[Mapping definition for [geoip] has unsupported parameters:  [path : full]] [/code] This error was due to a bug in … Continue reading Inability to create new Logstash indexes in Elasticsearch 2.0