请注意，elasticsearch不再支持多个映射，因此不再需要传递映射名称。假设
当我尝试使用create index请求创建映射时，出现以下错误。
Elasticsearch异常[类型=mapper_parsing_exception，原因=失败要分析映射[_doc]：不支持根映射定义参数：[建议：｛推荐＝｛属性＝｛事件＝｛类型＝嵌套，properties={recommendationData={type=nested，properties={recommendance={type=nested，properties={recommendationType={type=keyword=
并且映射是
{
"mappings": {
"recommendations": {
"properties": {
"events": {
"type": "nested",
"properties": {
"recommendationData": {
"type": "nested",
"properties": {
"recommendations": {
"type": "nested",
"properties": {
"recommendationType": {
"type": "keyword"
}
}
}
}
}
}
}
}
}
}
}
java代码是
private void checkAndCreateDocumentMapping() throws IOException {
CreateIndexRequest createIndexRequest = new CreateIndexRequest(this.getIndexName());
String indexString = getStringFromFile("nested" + ".mapping");
createIndexRequest.source(indexString, XContentType.JSON);
client.indices().create(createIndexRequest, RequestOptions.DEFAULT);
}
recommendations是映射的名称，则可以将其用作索引的名称。因此，创建索引的正确dsl应该是，
PUT recommendations
{
"mappings": {
"properties": {
"events": {
"type": "nested",
"properties": {
"recommendationData": {
"type": "nested",
"properties": {
"recommendations": {
"type": "nested",
"properties": {
"recommendationType": {
"type": "keyword"
}
}
}
}
}
}
}
}
}
}