Hi Krunal,
I had to make some changes to install it in 6.2 and installed it in ES using Kibana console -
PUT _template/weblog.template
{
  "index_patterns": ["weblog*"],
  "settings": {
    "number_of_shards": 1,
    "index.refresh_interval": "5s"
  },
	"mappings": {
		"default": {
			"dynamic_templates": [
				{
					"message_field": {
						"path_match": "message",
						"match_mapping_type": "string",
						"mapping": {
							"type": "text",
							"omit_norms": false
						}
					}
				},
				{
					"string_fields": {
						"match": "",
						"match_mapping_type": "string",
						"mapping": {
							"type": "text",
							"omit_norms": false,
							"fields": {
								"keyword": {
									"type": "keyword",
									"ignore_above": 256
								}
							}
						}
					}
				}
			],
			"properties": {
				"@timestamp": {
					"type": "date"
				},
				"@version": {
					"type": "keyword"
				},
				"geoip": {
					"dynamic": true,
					"properties": {
						"ip": {
							"type": "ip"
						},
						"location": {
							"type": "geo_point"
						},
						"latitude": {
							"type": "half_float"
						},
						"longitude": {
							"type": "half_float"
						}
					}
				},
				"location": {
					"type": "geo_point"
				}
			}
		}
	}
}
Modified o/p of logstash config to make use of this template -
output {
   
     elasticsearch {
        action => "index"
        hosts => "localhost:9200"
        index => "weblog-%{+YYYY.MM}"
		template_name => "weblog.template"
     }
     stdout {
        codec => rubydebug
     }	
}
Now hitting following error -
[2018-02-12T18:23:04,534][INFO ][logstash.pipeline        ] Pipeline started succesfully {:pipeline_id=>"main", :thread=>"#<Thread:0x76158012 sleep>"}
[2018-02-12T18:23:04,561][INFO ][logstash.agent           ] Pipelines running {:count=>1, :pipelines=>["main"]}
[2018-02-12T18:23:06,113][WARN ][logstash.outputs.elasticsearch] Could not index event to Elasticsearch. {:status=>400, :action=>["index", {:_id=>nil, :_index=>"weblog-2018.02", :_type=>"doc", :_routi
ng=>nil}, #<LogStash::Event:0x770eb729>], :response=>{"index"=>{"_index"=>"weblog-2018.02", "_type"=>"doc", "_id"=>"1R5UjGEBVbzVFun6OmAG", "status"=>400, "error"=>{"type"=>"illegal_argument_exception"
, "reason"=>"[geoip.location] is defined as an object in mapping [doc] but this name is already used for a field in other types"}}}}
[2018-02-12T18:23:06,115][WARN ][logstash.outputs.elasticsearch] Could not index event to Elasticsearch. {:status=>400, :action=>["index", {:_id=>nil, :_index=>"weblog-2018.02", :_type=>"doc", :_routi
ng=>nil}, #<LogStash::Event:0x74961af6>], :response=>{"index"=>{"_index"=>"weblog-2018.02", "_type"=>"doc", "_id"=>"4R5UjGEBVbzVFun6OmAH", "status"=>400, "error"=>{"type"=>"illegal_argument_exception"
, "reason"=>"[geoip.location] is defined as an object in mapping [doc] but this name is already used for a field in other types"}}}}
[2018-02-12T18:23:06,114][WARN ][logstash.outputs.elasticsearch] Could not index event to Elasticsearch. {:status=>400, :action=>["index", {:_id=>nil, :_index=>"weblog-2018.02", :_type=>"doc", :_routi
ng=>nil}, #<LogStash::Event:0x3def49fe>], :response=>{"index"=>{"_index"=>"weblog-2018.02", "_type"=>"doc", "_id"=>"yR5UjGEBVbzVFun6OmAF", "status"=>400, "error"=>{"type"=>"illegal_argument_exception"
, "reason"=>"[geoip.location] is defined as an object in mapping [doc] but this name is already used for a field in other types"}}}}
This used to work perfectly on ELK stack 5.3.0 for. Not sure what's wrong here and stuck on this. Any help is really appreciated.
Thank you!