Could not parse inner script definition – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to understand the inner script definition due to incorrect syntax or structure. This could be due to a missing or misplaced bracket, incorrect field name, or wrong data type. To resolve this issue, you should first check the syntax of your script. Ensure that all brackets are correctly placed and that field names and data types are correct. If the error persists, try simplifying your script to identify the problematic part. Lastly, ensure that your Elasticsearch version supports the features used in your script.

This guide will help you check for common problems that cause the log ” Could not parse inner script definition ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: query, index.

Log Context

Log “Could not parse inner script definition” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 for (XContentParser.Token token = p.nextToken(); token != END_OBJECT; token = p.nextToken()) {
 scriptFields.add(new ScriptField(p));
 } catch (IOException e) {
 throw new ParsingException(p.getTokenLocation(); "Could not parse inner script definition"; e);
 }; SearchSourceBuilder.SCRIPT_FIELDS_FIELD; ObjectParser.ValueType.OBJECT);
 (p; i; c) -> i.setSorts(SortBuilder.fromXContent(p));


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