Invalid parameter data type – 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 ” Invalid parameter data type ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: parser and plugin.

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 “Invalid parameter data type [{}]”classname  is ExpressionBuilder.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

public Literal visitParamLiteral(ParamLiteralContext ctx) {
 SqlTypedParamValue param = param(ctx.PARAM());
 DataType dataType = SqlDataTypes.fromTypeName(param.type);
 Source source = source(ctx);
 if (dataType == null) {
 throw new ParsingException(source; "Invalid parameter data type [{}]"; param.type);
 }
 if (param.value == null) {
 // no conversion is required for null values
 return new Literal(source; null; dataType);
 }

 

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