Wrapper query malformed – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when the Elasticsearch query is not correctly formed. This could be due to syntax errors, incorrect field names, or improper use of query types. To resolve this issue, you should first check the syntax of your query, ensuring that it follows the correct format. Next, verify that the field names used in the query match those in your index. Lastly, ensure that you are using the correct query type for your needs. If the error persists, consider simplifying your query to identify the problematic part.

This guide will help you check for common problems that cause the log ” [wrapper] query malformed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: query, index.

Log Context

Log “[wrapper] query malformed” class name is WrapperQueryBuilder.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  public static WrapperQueryBuilder fromXContent(XContentParser parser) throws IOException {
 XContentParser.Token token = parser.nextToken();
 if (token != XContentParser.Token.FIELD_NAME) {
 throw new ParsingException(parser.getTokenLocation(); "[wrapper] query malformed");
 String fieldName = parser.currentName();
 if (QUERY_FIELD.match(fieldName; parser.getDeprecationHandler()) == false) {
 throw new ParsingException(parser.getTokenLocation(); "[wrapper] query malformed; expected `query` but was " + fieldName);


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?