Hallo, I try to send my centos 7 logfiles to an logstsah server. Can anyone give me an hint how to fix this problem? Thanks Ralf > {"index"=>{"_index"=>"%{[@metadata][comline]}-%{[@metadata][version]}", > "_type"=>"doc", "_id"=>"U1XLXGkBpfl5FoHeY4J8", "status"=>400, > "error"=>{"type"=>"mapper_parsing_exception", "reason"=>"failed to > parse field [timestamp] of type [date]", > "caused_by"=>{"type"=>"illegal_argument_exception", > "reason"=>"Invalid format: \"Mar 8 11:13:54\""}}}}} [2019-03-08T11:13:47,125][WARN ][logstash.outputs.elasticsearch] Could not index event to Elasticsearch. {:status=>400, :action=>["index", {:_id=>nil, :_index=>"%{[@metadata][comline]}-%{[@metadata][version]}", :_type=>"doc", :routing=>nil}, #<LogStash::Event:0x3af3f839>], :response=>{"index"=>{"_index"=>"%{[@metadata][comline]}-%{[@metadata][version]}", "_type"=>"doc", "_id"=>"VFXLXGkBpfl5FoHeY4Ly", "status"=>400, "error"=>{"type"=>"mapper_parsing_exception", "reason"=>"failed to parse field [timestamp] of type [date]", "caused_by"=>{"type"=>"illegal_argument_exception", "reason"=>"Invalid format: \"Mar 8 11:13:54\""}}}}} [2019-03-08T11:13:47,202][WARN ][logstash.outputs.elasticsearch] Could not index event to Elasticsearch. {:status=>400, :action=>["index", {:_id=>nil, :_index=>"%{[@metadata][comline]}-%{[@metadata][version]}", :_type=>"doc", :routing=>nil}, #<LogStash::Event:0x4fedebdc>], :response=>{"index"=>{"_index"=>"%{[@metadata][comline]}-%{[@metadata][version]}", "_type"=>"doc", "_id"=>"VVXLXGkBpfl5FoHeZII_", "status"=>400, "error"=>{"type"=>"mapper_parsing_exception", "reason"=>"failed to parse field [timestamp] of type [date]", "caused_by"=>{"type"=>"illegal_argument_exception", "reason"=>"Invalid format: \"Mar 8 11:13:54\""}}}}} ^C