LB-171 / LB-172: Fix bugs in influx-writer #197
Merged
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LB-171: marc2k3's listens weren't being inserted because they contained a list in their additional_info field which led to parse errors (this seems to be a bug in influx because other non-string entities like uuids were inserted correctly). Converting all new fields in additional info to strings explicitly now fixes that. Also added tests for listens like this.
LB-172: While doing this, I found a problem that might be causing LB-172. Influx-writer was dying because the debug message tried to serialize an array of Listen objects. However this would only trouble us if
DUMP_JSON_WITH_ERRORS
wasTrue
in production, and I'm not sure that it was.