The subobjects parameter can t be updated for the object mapping name – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.3-8.9

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Briefly, this error occurs when an attempt is made to update the ‘subobjects’ parameter for an existing object mapping in Elasticsearch, which is not allowed. To resolve this issue, you can either create a new index with the desired mapping or reindex the existing data into a new index with the updated mapping. Alternatively, you can use the ‘put mapping’ API to add new fields to the existing mapping, but remember that existing fields cannot be updated or removed.

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This guide will help you check for common problems that cause the log ” the [subobjects] parameter can’t be updated for the object mapping [” + name() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: mapping, index.

Log Context

Log “the [subobjects] parameter can’t be updated for the object mapping [” + name() + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (mergeWith.subobjects.explicit()) {
 if (reason == MergeReason.INDEX_TEMPLATE) {
 this.subobjects = mergeWith.subobjects;
 } else if (subobjects != mergeWith.subobjects) {
 throw new MapperException("the [subobjects] parameter can't be updated for the object mapping [" + name() + "]");
 }  MapperBuilderContext objectBuilderContext = createChildContext(parentBuilderContext; simpleName());
 Map mergedMappers = null;


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