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 ” Unsupported field ” + parameterName + ” ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .


Log Context
Log “Unsupported field [” + parameterName + “]”classname is Script.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :
type = ScriptType.STORED; } else { throw new ElasticsearchParseException("Value must be of type String: [" + parameterName + "]"); } } else { throw new ElasticsearchParseException("Unsupported field [" + parameterName + "]"); } } if (script == null) { throw new ElasticsearchParseException( "Expected one of [{}] or [{}] fields; but found none";
See how you can use AutoOps to resolve issues
