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.
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.
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: rest, parser and request.


Log Context
Log “request does not support [” + parser.currentName() + “]”classname is RestActions.java 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 (fieldName.equals(currentName)) { queryBuilder = parseInnerQueryBuilder(parser); } else { throw new ParsingException(parser.getTokenLocation(); "request does not support [" + parser.currentName() + "]"); } } } return queryBuilder; } catch (ParsingException e) {
See how you can use AutoOps to resolve issues
