I could use some help interpreting these errors that I am seeing in bad events that are coming out of the batch pipeline (EMR ETL Runner), here is a snippet of the error
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[cx]: invalid JSON [{\"schema\":\"iglu:com.snowplowanalytics.snowplow/contexts/jsonschema/1-0-0\",\"data\":[{\"schema\":\"iglu:com.snowplowanalytics.snowplow/web_page/jsonschema/1-0-0\",\"data\":{\"id\":\"85c7d215-53e5-4631-bff1-de871e5042e7\"}},{\"schema\":\"iglu:com.onespot/pageview-context/json-schema/2-0-0\",\"data\":{\"canonical_link\":\"http://www.naturallycurly.com/curlreading/home/3-reasons-why-4c-hair-is-different-than-other-texture-types/\"}},{\"schema\":\"iglu:com.onespot/user-id/json-schema/1-0-0\",\"data\":{\"source\":\"onespot_first_party_id\",\"user_id\":\"PJuBt2OBHE2GgozOOZBwQQ\"}},{\"schema\":\"iglu:com.onespot/experiment/json-schema/1-0-0\",\"data\":{\"experiment\":\"2016-10-21\",\"experiment_type\":\"onsite\",\"region\":\"blog\",\"variant\":\"right-rail-5-recs\"}},{\"schema\":\"iglu:com.onespot/experiment/json-schema/1-0-0\",\"data\":{\"experiment\":\"2016-10-21\",\"experiment_type\":\"onsite\",\"region\":\"products\",\"variant\":\"baseline\"}},{\"schema\":\"iglu:com.onespot/onsite-unit/json-schema/1-0-0\",\"data\":{\"unit_id\":\"right-rail-unit] with parsing error: Unexpected end-of-input: was expecting closing quote for a string value at [Source: {\"schema\":\"iglu:com.snowplowanalytics.snowplow/contexts/jsonschema/1-0-0\",\"data\":[{\"schema\":\"iglu:com.snowplowanalytics.snowplow/web_page/jsonschema/1-0-0\",\"data\":{\"id\":\"85c7d215-53e5-4631-bff1-de871e5042e7\"}},{\"schema\":\"iglu:com.onespot/pageview-context/json-schema/2-0-0\",\"data\":{\"canonical_link\":\"http://www.naturallycurly.com/curlreading/home/3-reasons-why-4c-hair-is-different-than-other-texture-types/\"}},{\"schema\":\"iglu:com.onespot/user-id/json-schema/1-0-0\",\"data\":{\"source\":\"onespot_first_party_id\",\"user_id\":\"PJuBt2OBHE2GgozOOZBwQQ\"}},{\"schema\":\"iglu:com.onespot/experiment/json-schema/1-0-0\",\"data\":{\"experiment\":\"2016-10-21\",\"experiment_type\":\"onsite\",\"region\":\"blog\",\"variant\":\"right-rail-5-recs\"}},{\"schema\":\"iglu:com.onespot/experiment/json-schema/1-0-0\",\"data\":{\"experiment\":\"2016-10-21\",\"experiment_type\":\"onsite\",\"region\":\"products\",\"variant\":\"baseline\"}},{\"schema\":\"iglu:com.onespot/onsite-unit/json-schema/1-0-0\",\"data\":{\"unit_id\":\"right-rail-unit; line: 1, column: 1935]"}],"failure_tstamp":"2016-11-09T03:53:58.442Z"}
we did recently turn on performance timing context so it might be related to this topic:
http://discourse.snowplow.io/t/events-going-to-bad-bucket/724/2