Remove mapping – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 1.7-1.7

Briefly, this error occurs when you attempt to delete a mapping (schema) of an existing index in Elasticsearch. Elasticsearch does not support the removal of mappings or fields once they are created. To resolve this issue, you can either reindex your data into a new index with the desired mappings or use the “_update_by_query” API to remove the unwanted data from the fields. However, the old mapping will still exist. It’s important to plan your index schema carefully to avoid such issues.

In addition we recommend you run the Elasticsearch Template Optimizer to fix problems in your data modeling.

It will analyze your templates to detect issues and improve search performance, reduce indexing bottlenecks and optimize storage utilization. The Template Optimizer is free and requires no installation.

Log Context

Log “[{}] remove_mapping [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                if (!changed) {
                    throw new TypeMissingException(new Index(latestIndexWithout); request.types());

      "[{}] remove_mapping [{}]"; request.indices(); request.types());

                return ClusterState.builder(currentState).metaData(builder).build();


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