enable_metric error

[TomonoriSoejima]

• Logstash version: v6.6.1
• logstash-input-beat version: 5.1.8

Description:

When the beat input contains enable_metric option and set it to false, the error is thrown.

input {
  beats {
    port => 5044
    enable_metric => false

  }
}

Stack trace:

[running with ../logstash.config/beat.logstash.conf
Sending Logstash logs to /Users/surfer/elastic/labs/logstash/6.6.1/logs which is now configured via log4j2.properties
[2019-02-26T14:30:14,989][INFO ][logstash.setting.writabledirectory] Creating directory {:setting=>"path.queue", :path=>"/Users/surfer/elastic/labs/logstash/6.6.1/data/queue"}
[2019-02-26T14:30:14,997][INFO ][logstash.setting.writabledirectory] Creating directory {:setting=>"path.dead_letter_queue", :path=>"/Users/surfer/elastic/labs/logstash/6.6.1/data/dead_letter_queue"}
[2019-02-26T14:30:15,135][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified
[2019-02-26T14:30:15,150][INFO ][logstash.runner          ] Starting Logstash {"logstash.version"=>"6.6.1"}
[2019-02-26T14:30:15,183][INFO ][logstash.agent           ] No persistent UUID file found. Generating new UUID {:uuid=>"e472a9e2-7cca-4442-8435-f271ca86a204", :path=>"/Users/surfer/elastic/labs/logstash/6.6.1/data/uuid"}
[2019-02-26T14:30:22,898][INFO ][logstash.pipeline        ] Starting pipeline {:pipeline_id=>"main", "pipeline.workers"=>8, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50}
[2019-02-26T14:30:23,367][INFO ][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>[], :added=>[http://localhost:9200/]}}
[2019-02-26T14:30:23,558][WARN ][logstash.outputs.elasticsearch] Restored connection to ES instance {:url=>"http://localhost:9200/"}
[2019-02-26T14:30:23,614][INFO ][logstash.outputs.elasticsearch] ES Output version determined {:es_version=>6}
[2019-02-26T14:30:23,618][WARN ][logstash.outputs.elasticsearch] Detected a 6.x and above cluster: the `type` event field won't be used to determine the document _type {:es_version=>6}
[2019-02-26T14:30:23,645][INFO ][logstash.outputs.elasticsearch] New Elasticsearch output {:class=>"LogStash::Outputs::ElasticSearch", :hosts=>["//localhost:9200"]}
[2019-02-26T14:30:23,664][INFO ][logstash.outputs.elasticsearch] Using mapping template from {:path=>nil}
[2019-02-26T14:30:23,680][INFO ][logstash.outputs.elasticsearch] Attempting to install template {:manage_template=>{"template"=>"logstash-*", "version"=>60001, "settings"=>{"index.refresh_interval"=>"5s"}, "mappings"=>{"_default_"=>{"dynamic_templates"=>[{"message_field"=>{"path_match"=>"message", "match_mapping_type"=>"string", "mapping"=>{"type"=>"text", "norms"=>false}}}, {"string_fields"=>{"match"=>"*", "match_mapping_type"=>"string", "mapping"=>{"type"=>"text", "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"}}}}}}}}
[2019-02-26T14:30:23,977][INFO ][logstash.inputs.beats    ] Beats inputs: Starting input listener {:address=>"0.0.0.0:5044"}
[2019-02-26T14:30:23,994][INFO ][logstash.pipeline        ] Pipeline started successfully {:pipeline_id=>"main", :thread=>"#<Thread:0x694ff892 run>"}
[2019-02-26T14:30:24,044][ERROR][logstash.pipeline        ] A plugin had an unrecoverable error. Will restart this plugin.
  Pipeline_id:main
  Plugin: <LogStash::Inputs::Beats port=>5044, enable_metric=>false, id=>"49aba725a95d7fbe7d6774d6c3224277a881c499aa7649648080af1a25fd26e4", codec=><LogStash::Codecs::Plain id=>"plain_44ab064d-55ce-481c-b03d-856dea23eadc", enable_metric=>true, charset=>"UTF-8">, host=>"0.0.0.0", ssl=>false, add_hostname=>true, ssl_verify_mode=>"none", ssl_peer_metadata=>false, include_codec_tag=>true, ssl_handshake_timeout=>10000, tls_min_version=>1, tls_max_version=>1.2, cipher_suites=>["TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384", "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384", "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256", "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"], client_inactivity_timeout=>60, executor_threads=>8>
  Error: org.logstash.instrument.metrics.NamespacedMetricExt cannot be cast to org.logstash.instrument.metrics.NullMetricExt
  Exception: Java::JavaLang::ClassCastException
  Stack: org.logstash.instrument.metrics.NullNamespacedMetricExt.initialize(NullNamespacedMetricExt.java:40)
org.logstash.instrument.metrics.NullNamespacedMetricExt$INVOKER$i$0$2$initialize.call(NullNamespacedMetricExt$INVOKER$i$0$2$initialize.gen)
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodN.call(JavaMethod.java:725)
org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:208)
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodN.call(JavaMethod.java:741)
org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:298)
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:79)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:83)
org.jruby.RubyClass.newInstance(RubyClass.java:1022)
org.jruby.RubyClass$INVOKER$i$newInstance.call(RubyClass$INVOKER$i$newInstance.gen)
org.jruby.ir.targets.InvokeSite.invoke(InvokeSite.java:145)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.logstash_minus_core.lib.logstash.plugin.RUBY$method$metric$0(/Users/surfer/elastic/labs/logstash/6.6.1/logstash-core/lib/logstash/plugin.rb:120)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.logstash_minus_core.lib.logstash.plugin.RUBY$method$metric$0$__VARARGS__(/Users/surfer/elastic/labs/logstash/6.6.1/logstash-core/lib/logstash/plugin.rb)
org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:77)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:93)
org.jruby.ir.targets.InvokeSite.invoke(InvokeSite.java:145)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.vendor.bundle.jruby.$2_dot_3_dot_0.gems.logstash_minus_input_minus_beats_minus_5_dot_1_dot_8_minus_java.lib.logstash.inputs.beats.message_listener.RUBY$method$initialize$0(/Users/surfer/elastic/labs/logstash/6.6.1/vendor/bundle/jruby/2.3.0/gems/logstash-input-beats-5.1.8-java/lib/logstash/inputs/beats/message_listener.rb:23)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.vendor.bundle.jruby.$2_dot_3_dot_0.gems.logstash_minus_input_minus_beats_minus_5_dot_1_dot_8_minus_java.lib.logstash.inputs.beats.message_listener.RUBY$method$initialize$0$__VARARGS__(/Users/surfer/elastic/labs/logstash/6.6.1/vendor/bundle/jruby/2.3.0/gems/logstash-input-beats-5.1.8-java/lib/logstash/inputs/beats/message_listener.rb)
org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:77)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:93)
org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:298)
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:79)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:83)
org.jruby.RubyClass.newInstance(RubyClass.java:1022)
org.jruby.RubyClass$INVOKER$i$newInstance.call(RubyClass$INVOKER$i$newInstance.gen)
org.jruby.ir.targets.InvokeSite.invoke(InvokeSite.java:145)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.vendor.bundle.jruby.$2_dot_3_dot_0.gems.logstash_minus_input_minus_beats_minus_5_dot_1_dot_8_minus_java.lib.logstash.inputs.beats.RUBY$method$run$0(/Users/surfer/elastic/labs/logstash/6.6.1/vendor/bundle/jruby/2.3.0/gems/logstash-input-beats-5.1.8-java/lib/logstash/inputs/beats.rb:210)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.vendor.bundle.jruby.$2_dot_3_dot_0.gems.logstash_minus_input_minus_beats_minus_5_dot_1_dot_8_minus_java.lib.logstash.inputs.beats.RUBY$method$run$0$__VARARGS__(/Users/surfer/elastic/labs/logstash/6.6.1/vendor/bundle/jruby/2.3.0/gems/logstash-input-beats-5.1.8-java/lib/logstash/inputs/beats.rb)
org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:77)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:93)
org.jruby.ir.targets.InvokeSite.invoke(InvokeSite.java:145)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.logstash_minus_core.lib.logstash.pipeline.RUBY$method$inputworker$0(/Users/surfer/elastic/labs/logstash/6.6.1/logstash-core/lib/logstash/pipeline.rb:426)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.logstash_minus_core.lib.logstash.pipeline.RUBY$method$inputworker$0$__VARARGS__(/Users/surfer/elastic/labs/logstash/6.6.1/logstash-core/lib/logstash/pipeline.rb)
org.jruby.internal.runtime.methods.CompiledIRMethod.call(CompiledIRMethod.java:77)
org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:93)
org.jruby.ir.targets.InvokeSite.invoke(InvokeSite.java:145)
Users.surfer.elastic.labs.logstash.$6_dot_6_dot_1.logstash_minus_core.lib.logstash.pipeline.RUBY$block$start_input$1(/Users/surfer/elastic/labs/logstash/6.6.1/logstash-core/lib/logstash/pipeline.rb:420)
org.jruby.runtime.CompiledIRBlockBody.callDirect(CompiledIRBlockBody.java:145)
org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:71)
org.jruby.runtime.Block.call(Block.java:124)
org.jruby.RubyProc.call(RubyProc.java:289)
org.jruby.RubyProc.call(RubyProc.java:246)
org.jruby.internal.runtime.RubyRunnable.run(RubyRunnable.java:104)
java.lang.Thread.run(Thread.java:748)
[2019-02-26T14:30:24,052][INFO ][logstash.agent           ] Pipelines running {:count=>1, :running_pipelines=>[:main], :non_running_pipelines=>[]}
[2019-02-26T14:30:24,316][INFO ][logstash.agent           ] Successfully started Logstash API endpoint {:port=>9600}