Trying to parse an object but has a different type – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.14

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Briefly, this error occurs when Elasticsearch attempts to parse a field as an object, but the field is of a different type. This usually happens when there’s a mismatch between the data type defined in the mapping and the actual data type. To resolve this, you can either change the data type in your document to match the mapping or update the mapping to match the data type in your document. Also, ensure that the same field isn’t defined as different types in different documents.

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This guide will help you check for common problems that cause the log ” Trying to parse an object but has a different type [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “Trying to parse an object but has a different type [” class name is ObjectMapper.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (type.equals(CONTENT_TYPE)) {
 builder.nested = Nested.NO;
 } else if (type.equals(NESTED_CONTENT_TYPE)) {
 nested = true;
 } else {
 throw new MapperParsingException("Trying to parse an object but has a different type [" + type
 + "] for [" + name + "]");
 }
 }
 fieldNode = node.get("include_in_parent");
 if (fieldNode != null) {

 

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