I'm trying to use Logstash for the first time, I've setup my configuration files and it was working perfectly but suddenly now it's stopped. I think I've made a change but I don't 100% remember what change would have caused this.
What does your Logstash config look like? Elasticsearch seems to be complaining about an illegal setting for the _type field:
[2015-11-23 19:54:27,414][INFO ][rest.suppressed ] /_bulk Params: {}
java.lang.IllegalArgumentException: Malformed action/metadata line [1], expected a simple value for field [_type] but found [START_ARRAY]
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