- fix watching bug - use Logger
- fix watching bug
- use Logger

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