Invalid source type – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch encounters a source type that it doesn’t recognize or support during indexing or querying. This could be due to a typo, incorrect formatting, or unsupported data type. To resolve this issue, you should first verify the source type you’re using is supported by Elasticsearch. If it is, ensure it’s correctly formatted according to Elasticsearch’s specifications. If the error persists, consider converting the data to a supported type before indexing or querying.

This guide will help you check for common problems that cause the log ” invalid source type: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search, source, aggregations.

Log Context

Log “invalid source type:” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 final CompositeValuesSourceBuilder builder = switch (type) {
 case TermsValuesSourceBuilder.TYPE -> TermsValuesSourceBuilder.parse(name; parser);
 case DateHistogramValuesSourceBuilder.TYPE -> DateHistogramValuesSourceBuilder.PARSER.parse(parser; name);
 case HistogramValuesSourceBuilder.TYPE -> HistogramValuesSourceBuilder.parse(name; parser);
 case GeoTileGridValuesSourceBuilder.TYPE -> GeoTileGridValuesSourceBuilder.parse(name; parser);
 default -> throw new ParsingException(parser.getTokenLocation(); "invalid source type: " + type);
 return builder;


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