Failed to build custom attributes from provider – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch is unable to construct custom attributes from a specified provider. This could be due to incorrect configuration settings, missing or invalid data, or issues with the provider itself. To resolve this issue, you can verify the configuration settings, ensure the data provided is correct and valid, or check the provider for any issues. If the problem persists, consider using a different provider or seek assistance from a professional.

This guide will help you check for common problems that cause the log ” failed to build custom attributes from provider [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster, discovery and node.

Log Context

Log “failed to build custom attributes from provider [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                             attributes.put(entry.getKey(); entry.getValue());
            } catch (Exception e) {
                logger.warn("failed to build custom attributes from provider [{}]"; e; provider);

        return attributes;


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