Conversion of elasticsearch aggregation into code using java REST API is giving error


Conversion of elasticsearch aggregation into code using java REST API is giving error



This is working fine in kibana console without any error


POST rangedattr_4_1/_search

{

"size": 0,

"aggs": {

"user_field": {
"terms": {
"field": "FRONTLINK_OBJECT_GUID",
"size": 10
},
"aggs": {
"group_members": {
"max": {
"field": "MERGED_LINKS_TYPE"
}
},
"groupmember_bucket_filter": {
"bucket_selector": {
"buckets_path": {
"groupmembers": "group_members"
},
"script": "params.groupmembers %2==1"
}
},
"aggs":{
"top_hits": {
"size": 1
}
}

}
}
}
}



But when I converted this into java code,
like this:


Map<String, String> bucketsPathsMap = new HashMap<>();
bucketsPathsMap.put("bucketselector", "FRONTLINK_OBJECT_GUID");
AggregationBuilder aggregation =AggregationBuilders
.terms("aggs").field(linkBackGuid).size(100000)

.subAggregation
(
AggregationBuilders.max("maxAgg").field("MERGED_LINKS_TYPE")
)

.subAggregation
(
PipelineAggregatorBuilders.bucketSelector("bucket_filter", bucketsPathsMap, script)
)
.subAggregation
(
AggregationBuilders.topHits("top").size(1)
);



it is giving all shards failed error



but when I run this :


AggregationBuilder aggregation =AggregationBuilders
.terms("aggs").field(linkBackGuid).size(100000)
.subAggregation
(
AggregationBuilders.max("maxAgg").field("MERGED_LINKS_TYPE")
)
.subAggregation
(
AggregationBuilders.topHits("top").size(1)
);



it is working fine



According to my information all shards failed will occur only if the docs are corrupted. But as I saw here, Max-Aggregation is working fine but at the same moment Bucket Selector Aggregation is giving error




1 Answer
1



it worked when I changed my bucketsPathsMap from


bucketsPathsMap.put("bucketselector","FRONTLINK_OBJECT_GUID")



to


bucketsPathsMap.put("bucketselector","maxAgg")



where FRONTLINK_OBJECT_GUID is a field and maxAgg has buckets






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