Mongodb output plugin causes elasticsearch output plugin to fail

Description

I'm getting this just now.

conf file:

Everything works if I comment out the mongodb's "isodate => true"

If I don't do that I get:

This is with latest elasticsearch 1.1.1 and logstash 1.4.1-1-bd507eb (from repo)

Environment

None

Status

Assignee

Logstash Developers

Reporter

Mattias Fornander

Affects versions

Priority

Configure