ES报错:"illegal_argument_exception"

ES报错具体错误如下:

{
"error": {
"root_cause": [
{
"type": "illegal_argument_exception",
"reason": "Fielddata is disabled on text fields by default. Set fielddata=true on [createHour] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."
}
],
"type": "search_phase_execution_exception",
"reason": "all shards failed",
"phase": "query",
"grouped": true,
"failed_shards": [
{
"shard": 0,
"index": "gmall1205_order",
"node": "LCQa858ERH6qw_7asM2R3Q",
"reason": {
"type": "illegal_argument_exception",
"reason": "Fielddata is disabled on text fields by default. Set fielddata=true on [createHour] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."
}
}
],
"caused_by": {
"type": "illegal_argument_exception",
"reason": "Fielddata is disabled on text fields by default. Set fielddata=true on [createHour] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.",
"caused_by": {
"type": "illegal_argument_exception",
"reason": "Fielddata is disabled on text fields by default. Set fielddata=true on [createHour] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."
}
}
},
"status": 400
}

2:导致此错误查询的语句:

GET gmall1205_order/_search
{
"query" : {
"bool" : {
"filter" : {
"term" : {
"createDate" : "2019-09-17"
}
}
}
},
"aggregations" : {
"groupby_createHour" : {
"terms" : {
"field" : "createHour",
"size" : 24
},
"aggregations" : {
"sum_totalamount" : {
"sum" : {
"field" : "totalAmount"
}
}
}
}
}
}

3:java代码:

@Override
public Map getOrderAmontHourMap(String date) {

SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
//过滤
BoolQueryBuilder boolQueryBuilder = new BoolQueryBuilder();
boolQueryBuilder.filter(new TermQueryBuilder("createDate",date));
searchSourceBuilder.query(boolQueryBuilder);
//聚合
TermsBuilder termsBuilder = AggregationBuilders.terms("groupby_createHour")
.field("createHour.keyword").size(24);
SumBuilder sumBuilder = AggregationBuilders.sum("sum_totalamount").field("totalAmount");

//子聚合
termsBuilder.subAggregation(sumBuilder);
searchSourceBuilder.aggregation(termsBuilder);


Search search = new Search.Builder(searchSourceBuilder.toString()).addIndex(GmallConstant.ES_INDEX_ORDER).addType("_doc").build();

System.out.println(searchSourceBuilder.toString());

Map<String,Double> hourMap=new HashMap<>();
try {
SearchResult searchResult = jestClient.execute(search);
System.out.println("====>"+searchResult.toString() + searchResult.getTotal());
List<TermsAggregation.Entry> buckets = searchResult.getAggregations().getTermsAggregation("groupby_createHour").getBuckets();
for (TermsAggregation.Entry bucket : buckets) {
Double hourAmount = bucket.getSumAggregation("sum_totalamount").getSum();
String hourkey = bucket.getKey();
hourMap.put(hourkey,hourAmount);
}
} catch (IOException e) {
e.printStackTrace();
}

return hourMap;
}

错误分析:

"Fielddata is disabled on text fields by default. Set fielddata=true on [createHour] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead

Fielddata文本字段默认情况下是禁用的。设置fielddata = true (createHour)为了在内存中加载fielddata uninverting反向索引。注意,这个可以使用大量内存。或者使用一个关键字字段

 

4:解决方法

GET gmall1205_order/_search
{
"query" : {
"bool" : {
"filter" : {
"term" : {
"createDate" : "2019-09-17"
}
}
}
},
"aggregations" : {
"groupby_createHour" : {
"terms" : {
"field" : "createHou.keyword",
"size" : 24
},
"aggregations" : {
"sum_totalamount" : {
"sum" : {
"field" : "totalAmount"
}
}
}
}
}
}

 

 



 

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