Role mapping id cannot be parsed and will be skipped – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch encounters an issue parsing the role mapping ID. This could be due to a malformed or incorrect role mapping ID. To resolve this issue, you can check the role mapping ID for any errors or inconsistencies. Ensure that the ID is correctly formatted and doesn’t contain any invalid characters. If the problem persists, you may need to delete and recreate the role mapping. Also, check the Elasticsearch logs for more detailed error messages that can help identify the root cause of the problem.

This guide will help you check for common problems that cause the log ” Role mapping [” + id + “] cannot be parsed and will be skipped ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, mapping.

Log Context

Log “Role mapping [” + id + “] cannot be parsed and will be skipped” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            XContentParser parser = XContentType.JSON.xContent()
                .createParser(NamedXContentRegistry.EMPTY; LoggingDeprecationHandler.INSTANCE; stream)
        ) {
            return ExpressionRoleMapping.parse(id; parser);
        } catch (Exception e) {
            logger.warn(() -> "Role mapping [" + id + "] cannot be parsed and will be skipped"; e);
            return null;



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