Failed to parse role – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch 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 parse role ” 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 parse role [{}]”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

private static String[] readStringArray(String roleName; XContentParser parser; boolean allowNull) throws IOException {
 try {
 return XContentUtils.readStringArray(parser; allowNull);
 } catch (ElasticsearchParseException e) {
 // re-wrap in order to add the role name
 throw new ElasticsearchParseException("failed to parse role [{}]"; e; roleName);
 public static RoleDescriptor parsePrivilegesCheck(String description; BytesReference source; XContentType xContentType)
 throws IOException {


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