Failed to parse query. – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

Briefly, this error message typically indicates that Elasticsearch is unable to parse a query due to syntax errors or other issues. This can occur when querying an index, creating a filter, or during other operations. To resolve this issue, check the query syntax and ensure that it is correctly formatted, and that any necessary parameters are included.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

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

Log Context

Log “failed to parse [{}] query. [{}]”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} else if (token == XContentParser.Token.START_OBJECT) {
 try {
 bbox = GeoBoundingBox.parseBoundingBox(parser);
 fieldName = currentFieldName;
 } catch (Exception e) {
 throw new ElasticsearchParseException("failed to parse [{}] query. [{}]"; NAME; e.getMessage());
 } else if (token.isValue()) {
 if (AbstractQueryBuilder.NAME_FIELD.match(currentFieldName; parser.getDeprecationHandler())) {
 queryName = parser.text();
 } else if (AbstractQueryBuilder.BOOST_FIELD.match(currentFieldName; parser.getDeprecationHandler())) {


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