Request does not support parser currentName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch receives a request containing a field or parameter that it doesn’t recognize or support. This could be due to a typo, incorrect syntax, or usage of a feature not available in the current version of Elasticsearch. To resolve this issue, you should first verify the field or parameter causing the error. Ensure it’s spelled correctly and is supported in your Elasticsearch version. If the error persists, check your request syntax or consider upgrading your Elasticsearch if the feature is not supported in your current version.

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This guide will help you check for common problems that cause the log ” request does not support [” + parser.currentName() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: parser, rest, request.

Log Context

Log “request does not support [” + parser.currentName() + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (token == XContentParser.Token.FIELD_NAME) {
 String currentName = parser.currentName();
 if ("query".equals(currentName)) {
 queryBuilder = parseTopLevelQuery(parser);
 } else {
 throw new ParsingException(parser.getTokenLocation(); "request does not support [" + parser.currentName() + "]");
 return queryBuilder;
 } catch (ParsingException e) {


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