Cannot parse the mapping for index – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.11-8.2

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Briefly, this error occurs when Elasticsearch is unable to understand the mapping provided for an index. This could be due to incorrect syntax, unsupported field types, or a mismatch between the mapping and the actual data. To resolve this issue, you can check the mapping for any syntax errors, ensure that the field types are supported by Elasticsearch, and verify that the mapping matches the structure of your data. If the error persists, you may need to delete and recreate the index with the correct mapping.

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This guide will help you check for common problems that cause the log ” Cannot parse the mapping for index [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, mapping, indices.

Log Context

Log “Cannot parse the mapping for index [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                // If we called `Version.fromString(null)`; it would return `Version.CURRENT` and we wouldn't update the mappings
                return Version.V_EMPTY;
            return Version.fromString(versionString);
        } catch (ElasticsearchParseException | IllegalArgumentException e) {
            logger.error(new ParameterizedMessage("Cannot parse the mapping for index [{}]"; indexName); e);
            return Version.V_EMPTY;

    static class State {


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