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Briefly, this error occurs when Elasticsearch is unable to parse a role due to incorrect data type. It expects an object but is receiving a different data type instead. To resolve this issue, you should check the role definition and ensure it is correctly formatted as an object. Also, verify the data type of the input being passed to ensure it matches what Elasticsearch expects. If you’re using a script or application to generate the role, ensure it’s correctly configured to output the correct data type.
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This guide will help you check for common problems that cause the log ” failed to parse role [{}]. expected an object but found [{}] instead ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “failed to parse role [{}]. expected an object but found [{}] instead” class name is RoleDescriptor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} // advance to the START_OBJECT token if needed
XContentParser.Token token = parser.currentToken() == null ? parser.nextToken() : parser.currentToken();
if (token != XContentParser.Token.START_OBJECT) {
throw new ElasticsearchParseException("failed to parse role [{}]. expected an object but found [{}] instead"; name; token);
}
String currentFieldName = null;
IndicesPrivileges[] indicesPrivileges = null;
RemoteIndicesPrivileges[] remoteIndicesPrivileges = null;
String[] clusterPrivileges = null;
