Error - Loading csv filter in configuration file :2017-11-07 16:07:32,943 main ERROR Unable to locate appender "${sys:ls.log.format}_rolling" for logger config "root"

[sconrod-tester]

Error trying to load configuration file to import CSV data via logstash to elasticsearch

• Version: 5.x most recent GA

• Operating System: Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-87-generic x86_64)

• Config File (if you have sensitive info, please remove it):
  input {
  file {
  path => "/opt/sample-data/bitcoin-data/*.csv"
  start_position => "beginning"
  sincedb_path => "/dev/null"
  }
  }
  filter {
  csv {
  separator => ","
  #Date,Open,High,Low,Close,Volume (BTC),Volume (Currency),Weighted Price
  columns => ["Date","Open","High","Low","Close","Volume (BTC)", "Volume (Currency)" ,"Weighted Price"]
  user => "logstash_internal"
  password => "XXXXXXX"
  }
  }
  output {
  elasticsearch {
  hosts => "http://localhost:9200"
  index => "bitcoin-prices"
  user => "logstash_internal"
  password => "XXXXXXX"
  }
  stdout {}
  }

• Sample Data:

• Steps to Reproduce:
  bin/logstash -f /etc/logstash/conf.d/bitcoin-data.conf -t

My CSF file is sample data downloaded from here:
https://qbox.io/blog/import-csv-elasticsearch-logstash-sincedb

root@ubuntu-16:/usr/share/logstash# bin/logstash -f /etc/logstash/conf.d/bitcoin-data.conf -t
2017-11-07 16:07:32,943 main ERROR Unable to locate appender "${sys:ls.log.format}_rolling" for logger config "root"
WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults
Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console

root@ubuntu-16:/usr/share/logstash# ls -la /etc/logstash/
conf.d/ jvm.options log4j2.properties logstash.yml .logstash.yml.swp startup.options
root@ubuntu-16:/usr/share/logstash# ls -la /etc/logstash/