Unsupported url protocol protocol from URL url – How to solve this OpenSearch exception

Opster Team

Aug-23, Version: 1-2.9

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your OpenSearch operation.

Briefly, this error occurs when OpenSearch encounters a URL with a protocol it doesn’t support. This could be due to a typo in the URL, or the use of a protocol that OpenSearch doesn’t recognize. To resolve this issue, first, check the URL for any typos or errors. If the URL is correct, ensure that the protocol used is one that OpenSearch supports. If it’s not, you may need to change the protocol or configure OpenSearch to support the protocol you’re using.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

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 OpenSearch concepts: repositories.

Log Context

Log “unsupported url protocol [” + protocol + “] from URL [” + url + “]” class name is URLRepository.java. We extracted the following from OpenSearch 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 + "]");
 }  @Override
 public boolean isReadOnly() {
 return true;


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?

Get expert answers on Elasticsearch/OpenSearch