Failed to read otherName from certificate – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Failed to read otherName from certificate ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Failed to read ‘otherName’ from certificate [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 logger.debug("Certificate [{}] has 'otherName' [{}] with unsupported object-id [{}]";
                        certificate.getSubjectDN(); seq; id);
                return null;
        } catch (IOException e) {
            logger.warn("Failed to read 'otherName' from certificate [{}]";
            return null;


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