Avg_bucket aggregation failed when buckets_path include inner bucket with same name like sibling bucket


(David Shimon) #1

Please see the gist for full example:

ES version: 5.2.2

avg_bucket aggregation failed when buckets_path include inner bucket with same name like sibling bucket:

The error:

{
  "error" : {
    "root_cause" : [ ],
    "type" : "reduce_search_phase_exception",
    "reason" : "[reduce] ",
    "phase" : "merge",
    "grouped" : true,
    "failed_shards" : [ ],
    "caused_by" : {
      "type" : "class_cast_exception",
      "reason" : "org.elasticsearch.search.aggregations.metrics.cardinality.InternalCardinality cannot be cast to org.elasticsearch.search.aggregations.InternalMultiBucketAggregation"
    }
  },
  "status" : 503
}

When the first bucket path is terms aggregation (and not date_histogram) it works,
And, when renaming the sibling bucket to unique name, it works as well.


(system) #2

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