Invalid element type o available types are – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.6-8.9

Briefly, this error occurs when an invalid element type is used in an Elasticsearch operation. The element type specified in the request does not match any of the available types in Elasticsearch. To resolve this issue, you should verify the element type used in your request. Make sure it is one of the available types in Elasticsearch. If you’re unsure of the available types, you can use the ‘GET /_mapping’ API to retrieve all types in your Elasticsearch cluster.

This guide will help you check for common problems that cause the log ” invalid element_type [” + o + “]; available types are ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “invalid element_type [” + o + “]; available types are ” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 public static class Builder extends FieldMapper.Builder {  private final Parameter elementType = new Parameter<>("element_type"; false; () -> ElementType.FLOAT; (n; c; o) -> {
 ElementType elementType = namesToElementType.get((String) o);
 if (elementType == null) {
 throw new MapperParsingException("invalid element_type [" + o + "]; available types are " + namesToElementType.keySet());
 return elementType;
 }; m -> toType(m).elementType; XContentBuilder::field; Objects::toString);
 private final Parameter dims = new Parameter<>(