Error while indexing data to elastic using java

Question

Scenario : I am trying to index json data into elastic . I am getting an error like

17:13:38.146 [main] ERROR com.opnlabs.lighthouse.elastic.ElasticSearchIndexer - {"root_cause":[{"type":"illegal_argument_exception","reason":"Can't merge a non object mapping [map.audits.map.font-size.map.details.map.items.myArrayList.map.selector] with an object mapping [map.audits.map.font-size.map.details.map.items.myArrayList.map.selector]"}],"type":"illegal_argument_exception","reason":"Can't merge a non object mapping [map.audits.map.font-size.map.details.map.items.myArrayList.map.selector] with an object mapping [map.audits.map.font-size.map.details.map.items.myArrayList.map.selector]"}

What is causing the issue ? Please help

Code

JSONObject newJsonObject = new JSONObject();
            JSONObject log = jsonObject.getJSONObject("audits");
            JSONObject log1 = jsonObject.getJSONObject("categories");
            newJsonObject.put("audits", log);
            newJsonObject.put("categories", log1);
            newJsonObject.put("timeStamp", time);
            Index index = new Index.Builder(newJsonObject).index(mongoIndexName+"1").type("data").build();
            DocumentResult a = client.execute(index);

Basically im trying to add 3 json values into elastic index. Please help me with what im doing wrong.

Answer 1

The error message means that you are trying to change an existing mapping. However, that is not possible in Elasticsearch. Once a mapping has been created, it cannot be changed.

As explained by Shay Banon himself :

You can't change existing mapping type, you need to create a new index with the correct mapping and index the data again.

So you must create a new index to create this mapping. Depending on the situation, you either

• create an additional index, or
• delete the current index and re-create it from scratch.

Of course in the latter case you will lose all data in the index, so prepare accordingly.

Taken from here : Can't merge a non object mapping with an object mapping error in machine learning(beta) module