Briefly, this error occurs when Elasticsearch fails to locate the necessary authentication credentials. This could be due to incorrect configuration settings, missing credentials, or issues with the security plugin. To resolve this, ensure that the correct credentials are provided in the Elasticsearch configuration file. If using a security plugin, verify it’s properly installed and configured. Also, check the user permissions and roles, ensuring they have the necessary access rights. Lastly, ensure the Elasticsearch cluster is properly secured to prevent unauthorized access.
This guide will help you check for common problems that cause the log ” An exception occurred while attempting to find authentication credentials ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “An exception occurred while attempting to find authentication credentials” classname is RealmsAuthenticator.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
);
return token;
}
}
} catch (Exception e) {
logger.warn("An exception occurred while attempting to find authentication credentials"; e);
throw context.getRequest().exceptionProcessingRequest(e; null);
}
if (context.getUnlicensedRealms().isEmpty() == false) {
logger.warn(
"No authentication credential could be extracted using realms [{}]."
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