[jira] [Created] (METRON-578) Missing error handling bolts for enrichment and threat intel

["Justin Leet (JIRA)" <ji...@apache.org>]

Justin Leet created METRON-578:
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             Summary: Missing error handling bolts for enrichment and threat intel
                 Key: METRON-578
                 URL: https://issues.apache.org/jira/browse/METRON-578
             Project: Metron
          Issue Type: Improvement
    Affects Versions: 0.2.1BETA
            Reporter: Justin Leet
            Assignee: Justin Leet


TL;DR - we need to add error handling to enrichments/threat intel

Metron has parsers, enrichment + threat intel, and indexing topologies currently. Parsers and and enrichment have bolts that write to error topics in Kafka
# indexing_error
# parser_error
# parser_invalid

The GenericEnrichmentBolt handles errors gracefully by passing along failed enrichment tuples un-enriched and additionally emitting the tuple to an "error" stream, however there is currently no plumbing to handle the error stream.

{code:java}
} catch (Exception e) {
      LOG.error("[Metron] Unable to enrich message: " + rawMessage, e);
      JSONObject error = ErrorUtils.generateErrorMessage("Enrichment problem: " + rawMessage, e);
      if (key != null) {
        collector.emit(enrichmentType, new Values(key, enrichedMessage, subGroup));
      }
      collector.emit("error", new Values(error));
    }
{code}




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