Unsupported url protocol ” + protocol + ” from URL ” + url + ” – 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 ” unsupported url protocol ” + protocol + ” from URL ” + url + ” ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: repositories.

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 “unsupported url protocol [” + protocol + “] from URL [” + url + “]”classname  is URLRepository.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

throw new RepositoryException(getMetadata().name(); exceptionMessage);
 return normalizedUrl;
 throw new RepositoryException(getMetadata().name(); "unsupported url protocol [" + protocol + "] from URL [" + url + "]");
 public boolean isReadOnly() {
 return true;


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