- If a reply comes back empty, assume the external filter wishes this   event to be cancelled. (LOGSTASH-574)
- If a reply comes back empty, assume the external filter wishes this
  event to be cancelled. (LOGSTASH-574)

tinglinux/logstash-kafka,opentable/logstash-kafka,joekiller/logstash-kafka,tinglinux/logstash-kafka,Aloomaio/logstash-kafka,opentable/logstash-kafka,Aloomaio/logstash-kafka,joekiller/logstash-kafka