# \[ERROR\]\[logstash.pipeline \] Error registering plugin {:plugin=\>"#\<LogStash::FilterDelegator:0x5223bdbe

**URL:** https://discuss.elastic.co/t/error-logstash-pipeline-error-registering-plugin-plugin-logstash-filterdelegator-0x5223bdbe/107423
**Category:** Logstash
**Created:** [November 13, 2017, 3:55pm UTC](https://discuss.elastic.co/t/error-logstash-pipeline-error-registering-plugin-plugin-logstash-filterdelegator-0x5223bdbe/107423 "2017-11-13T15:55:46Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![ppiety](https://avatars.discourse-cdn.com/v4/letter/p/b4bc9f/32.png) [@ppiety](https://discuss.elastic.co/u/ppiety)
#### Post date: [November 13, 2017, 3:55pm UTC](https://discuss.elastic.co/t/error-logstash-pipeline-error-registering-plugin-plugin-logstash-filterdelegator-0x5223bdbe/107423/1 "2017-11-13T15:55:46Z")

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I am new to logstash. Getting the error below. Any thoughts appreciated.

ubuntu@ip-172-31-32-110:~/Downloads/logstash-5.6.4$ bin/logstash -f "helpdesk.config"  
Sending Logstash's logs to /home/ubuntu/Downloads/logstash-5.6.4/logs which is now configured via log4j2.properties  
[2017-11-13T14:52:56,499][INFO][logstash.modules.scaffold] Initializing module {:module\_name=\>"fb\_apache", :directory=\>"/home/ubuntu/Downloads/logstash-5.6.4/modules/fb\_apache/configuration"}  
[2017-11-13T14:52:56,504][INFO][logstash.modules.scaffold] Initializing module {:module\_name=\>"netflow", :directory=\>"/home/ubuntu/Downloads/logstash-5.6.4/modules/netflow/configuration"}  
[2017-11-13T14:52:57,134][INFO][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=\>{:removed=\>[], :added=\>[[http://localhost:9200/](http://localhost:9200/)]}}  
[2017-11-13T14:52:57,135][INFO][logstash.outputs.elasticsearch] Running health check to see if an Elasticsearch connection is working {:healthcheck\_url=\>[http://localhost:9200/](http://localhost:9200/), :path=\>"/"}  
[2017-11-13T14:52:57,215][WARN][logstash.outputs.elasticsearch] Restored connection to ES instance {:url=\>"[http://localhost:9200/](http://localhost:9200/)"}  
[2017-11-13T14:52:57,250][INFO][logstash.outputs.elasticsearch] Using mapping template from {:path=\>nil}  
[2017-11-13T14:52:57,254][INFO][logstash.outputs.elasticsearch] Attempting to install template {:manage\_template=\>{"template"=\>"logstash-_", "settings"=\>{"index.refresh\_interval"=\>"5s"}, "mappings"=\>{"default"=\>{"\_all"=\>{"enabled"=\>true, "omit\_norms"=\>true}, "dynamic\_templates"=\>[{"message\_field"=\>{"path\_match"=\>"message", "match\_mapping\_type"=\>"string", "mapping"=\>{"type"=\>"string", "index"=\>"analyzed", "omit\_norms"=\>true, "fielddata"=\>{"format"=\>"disabled"}}}}, {"string\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"string", "mapping"=\>{"type"=\>"string", "index"=\>"analyzed", "omit\_norms"=\>true, "fielddata"=\>{"format"=\>"disabled"}, "fields"=\>{"raw"=\>{"type"=\>"string", "index"=\>"not\_analyzed", "doc\_values"=\>true, "ignore\_above"=\>256}}}}}, {"float\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"float", "mapping"=\>{"type"=\>"float", "doc\_values"=\>true}}}, {"double\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"double", "mapping"=\>{"type"=\>"double", "doc\_values"=\>true}}}, {"byte\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"byte", "mapping"=\>{"type"=\>"byte", "doc\_values"=\>true}}}, {"short\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"short", "mapping"=\>{"type"=\>"short", "doc\_values"=\>true}}}, {"integer\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"integer", "mapping"=\>{"type"=\>"integer", "doc\_values"=\>true}}}, {"long\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"long", "mapping"=\>{"type"=\>"long", "doc\_values"=\>true}}}, {"date\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"date", "mapping"=\>{"type"=\>"date", "doc\_values"=\>true}}}, {"geo\_point\_fields"=\>{"match"=\>"_", "match\_mapping\_type"=\>"geo\_point", "mapping"=\>{"type"=\>"geo\_point", "doc\_values"=\>true}}}], "properties"=\>{"@timestamp"=\>{"type"=\>"date", "doc\_values"=\>true}, "@version"=\>{"type"=\>"string", "index"=\>"not\_analyzed", "doc\_values"=\>true}, "geoip"=\>{"type"=\>"object", "dynamic"=\>true, "properties"=\>{"ip"=\>{"type"=\>"ip", "doc\_values"=\>true}, "location"=\>{"type"=\>"geo\_point", "doc\_values"=\>true}, "latitude"=\>{"type"=\>"float", "doc\_values"=\>true}, "longitude"=\>{"type"=\>"float", "doc\_values"=\>true}}}}}}}}  
[2017-11-13T14:52:57,259][INFO][logstash.outputs.elasticsearch] New Elasticsearch output {:class=\>"LogStash::Outputs::ElasticSearch", :hosts=\>["[http://localhost:9200](http://localhost:9200)"]}  
[2017-11-13T14:52:57,263][ERROR][logstash.pipeline] Error registering plugin {:plugin=\>"#\<LogStash::FilterDelegator:0x5223bdbe @metric\_events\_out=LogStash::Instrument::MetricType::Counter - namespaces: [:stats, :pipelines, :main, :plugins, :filters, :"7394efbfc3fd82c08fe4532836c8a44e33c5f621-3", :events] key: out value: 0, @metric\_events\_in=LogStash::Instrument::MetricType::Counter - namespaces: [:stats, :pipelines, :main, :plugins, :filters, :"7394efbfc3fd82c08fe4532836c8a44e33c5f621-3", (more...)

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 11, 2017, 3:55pm UTC](https://discuss.elastic.co/t/error-logstash-pipeline-error-registering-plugin-plugin-logstash-filterdelegator-0x5223bdbe/107423/2 "2017-12-11T15:55:55Z")

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