Adding some info (first post was limited in length) - this is logstash command output:
C:\logstash>bin\logstash -f config\logstash.conf
Sending Logstash's logs to C:/logstash/logs which is now configured via log4j2.properties
[2019-05-08T08:27:12,462][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"fb_apache", :directory=>"C:/logstash/modules/fb_apache/configuration"}
[2019-05-08T08:27:12,478][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"netflow", :directory=>"C:/logstash/modules/netflow/configuration"}
[2019-05-08T08:27:12,650][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified
[2019-05-08T08:27:13,150][INFO ][logstash.runner ] Starting Logstash {"logstash.version"=>"6.2.3"}
[2019-05-08T08:27:13,416][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}
[2019-05-08T08:27:14,916][INFO ][logstash.pipeline ] Starting pipeline {:pipeline_id=>"main", "pipeline.workers"=>8, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50}
[2019-05-08T08:27:15,275][INFO ][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>[], :added=>[http://HSTSCSRP1:9200/]}}
[2019-05-08T08:27:15,353][INFO ][logstash.outputs.elasticsearch] Running health check to see if an Elasticsearch connection is working {:healthcheck_url=>http://HSTSCSRP1:9200/, :path=>"/"}
[2019-05-08T08:27:15,509][WARN ][logstash.outputs.elasticsearch] Restored connection to ES instance {:url=>"http://HSTSCSRP1:9200/"}
[2019-05-08T08:27:15,556][INFO ][logstash.outputs.elasticsearch] ES Output version determined {:es_version=>6}
[2019-05-08T08:27:15,556][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}
[2019-05-08T08:27:15,572][INFO ][logstash.outputs.elasticsearch] Using mapping template from {:path=>nil}
[2019-05-08T08:27:15,588][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"}}}}}}}}
[2019-05-08T08:27:15,620][INFO ][logstash.outputs.elasticsearch] New Elasticsearch output {:class=>"LogStash::Outputs::ElasticSearch", :hosts=>["//HSTSCSRP1:9200"]}
[2019-05-08T08:27:15,666][INFO ][logstash.pipeline ] Pipeline started succesfully {:pipeline_id=>"main", :thread=>"#<Thread:0x5a44e42a sleep>"}
[2019-05-08T08:27:15,744][INFO ][logstash.agent ] Pipelines running {:count=>1, :pipelines=>["main"]}
[2019-05-08T08:27:15,744][INFO ][org.apache.kafka.clients.consumer.ConsumerConfig] ConsumerConfig values:
auto.commit.interval.ms = 5000
auto.offset.reset = earliest
bootstrap.servers = [HSTSCSRP2:9092]
check.crcs = true
client.id = logstash-0
connections.max.idle.ms = 540000
enable.auto.commit = true
exclude.internal.topics = true
fetch.max.bytes = 52428800
fetch.max.wait.ms = 500
fetch.min.bytes = 1
group.id = logstash
heartbeat.interval.ms = 3000
interceptor.classes = null
internal.leave.group.on.close = true
isolation.level = read_uncommitted
key.deserializer = class org.apache.kafka.common.serialization.StringDeserializer
max.partition.fetch.bytes = 1048576
max.poll.interval.ms = 300000
max.poll.records = 500
metadata.max.age.ms = 300000
metric.reporters = []
metrics.num.samples = 2
metrics.recording.level = INFO
metrics.sample.window.ms = 30000
partition.assignment.strategy = [class org.apache.kafka.clients.consumer.RangeAssignor]
receive.buffer.bytes = 65536
reconnect.backoff.max.ms = 1000
reconnect.backoff.ms = 50
request.timeout.ms = 305000
retry.backoff.ms = 100
sasl.jaas.config = null
sasl.kerberos.kinit.cmd = /usr/bin/kinit
sasl.kerberos.min.time.before.relogin = 60000
sasl.kerberos.service.name = null
sasl.kerberos.ticket.renew.jitter = 0.05
sasl.kerberos.ticket.renew.window.factor = 0.8
sasl.mechanism = GSSAPI
security.protocol = PLAINTEXT
send.buffer.bytes = 131072
session.timeout.ms = 10000
ssl.cipher.suites = null
ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1]
ssl.endpoint.identification.algorithm = null
ssl.key.password = null
ssl.keymanager.algorithm = SunX509
ssl.keystore.location = null
ssl.keystore.password = null
ssl.keystore.type = JKS
ssl.protocol = TLS
ssl.provider = null
ssl.secure.random.implementation = null
ssl.trustmanager.algorithm = PKIX
ssl.truststore.location = null
ssl.truststore.password = null
ssl.truststore.type = JKS
value.deserializer = class org.apache.kafka.common.serialization.StringDeserializer
[2019-05-08T08:27:15,806][INFO ][org.apache.kafka.common.utils.AppInfoParser] Kafka version : 1.0.0
[2019-05-08T08:27:15,806][INFO ][org.apache.kafka.common.utils.AppInfoParser] Kafka commitId : aaa7af6d4a11b29d