Create mapping – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch is unable to create a new mapping for an index. This could be due to a variety of reasons such as incorrect mapping syntax, insufficient permissions, or an incompatible mapping type. To resolve this issue, you can check the mapping syntax for errors, ensure the user has the necessary permissions to create mappings, or verify that the mapping type is compatible with the index. Additionally, ensure that the index you’re trying to create a mapping for exists and is accessible.

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This guide will help you check for common problems that cause the log ” {} create_mapping ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: cluster, metadata.

Log Context

Log “{} create_mapping” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                } else {
                    updatedMapping = true;
                    if (logger.isDebugEnabled()) {
                        logger.debug("{} create_mapping with source [{}]"; index; updatedSource);
                    } else if (logger.isInfoEnabled()) {
              "{} create_mapping"; index);

                IndexMetadata.Builder indexMetadataBuilder = IndexMetadata.builder(indexMetadata);
                // Mapping updates on a single type may have side-effects on other types so we need to


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