Key=value pairs are not supported in annotations – 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 Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” key=value pairs are not supported in annotations ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugins and index.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “key=value pairs are not supported in annotations”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

String value = null;
 for (String pair : pairs) {
 String[] kv = pair.split("=");
 try {
 if(kv.length == 2){
 throw new ElasticsearchParseException("key=value pairs are not supported in annotations");
 if(kv.length == 1) {
 //Check "=" sign wasn't in the pair string
 if(kv[0].length() == pair.length()) {
 //untyped value


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