Unexpected ip range parameter: ” + parser.currentName() + ” – 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.

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 ” Unexpected ip range parameter: ” + parser.currentName() + ” ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: parser, search and aggregations.

Log Context

Log “Unexpected ip range parameter: [” + parser.currentName() + “]”classname  is IpRangeAggregationBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} else if (RangeAggregator.Range.TO_FIELD.match(parser.currentName(); parser.getDeprecationHandler())) {
 to = parser.textOrNull();
 } else if (MASK_FIELD.match(parser.currentName(); parser.getDeprecationHandler())) {
 mask = parser.text();
 } else {
 throw new ParsingException(parser.getTokenLocation(); "Unexpected ip range parameter: [" + parser.currentName() + "]");
 if (mask != null) {
 if (key == null) {
 key = mask;


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