Double entries in Kibana?

I am using logstash 1.4.1 and elsticsearch 1.1.1. My setup is showing an
issue:

For every new line (log) added to the log file I am getting two entries in
Kibana i.e every log entry is showing twice in Kibana. However when I check
my logstash console, the log line is showing only once.

Any idea??

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My elasticsearch console:

[2014-11-20 14:14:42,229][INFO ][cluster.metadata ] [Brothers
Grimm] [logstash-2014.11.20] creating index, cause [auto(bulk api)], shards
[5]/[1], mappings [default]
[2014-11-20 14:14:42,672][INFO ][cluster.metadata ] [Brothers
Grimm] [logstash-2014.11.20] update_mapping [logs] (dynamic)

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