Github user cestella commented on a diff in the pull request: https://github.com/apache/incubator-metron/pull/143#discussion_r66248395 --- Diff: metron-platform/metron-parsers/src/main/java/org/apache/metron/parsers/bolt/ParserBolt.java --- @@ -143,14 +140,14 @@ public void execute(Tuple tuple) { boolean ackTuple = true; if(sensorParserConfig != null) { List<FieldValidator> fieldValidations = getConfigurations().getFieldValidations(); - List<JSONObject> messages = parser.parse(originalMessage); - for (JSONObject message : messages) { - if (parser.validate(message)) { + Optional<List<JSONObject>> messages = parser.parseOptional(originalMessage); + for (JSONObject message : messages.orElse(Collections.emptyList())) { + if (parser.validate(message) && filter != null && filter.emitTuple(message)) { if(!isGloballyValid(message, fieldValidations)) { message.put(Constants.SENSOR_TYPE, getSensorType()+ ".invalid"); collector.emit(Constants.INVALID_STREAM, new Values(message)); } - else if (filter != null && filter.emitTuple(message)) { + else { ackTuple = !isBulk; --- End diff -- The tuple will be acked. Note that ackTuple is initialized to true and is only set to false if we are in a situation where we are doing a bulk write, in which case the tuple will be acked in the bulk writer upon the writing of a batch of entries. So, when this loop is ended, it will ack on line 164.
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