Unknown url 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 Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” unknown url protocol from URL ” + url + ” ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: repositories.


Log Context

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

* Makes sure that the url is white listed or if it points to the local file system it matches one on of the root path in path.repo
 */
 private URL checkURL(URL url) {
 String protocol = url.getProtocol();
 if (protocol == null) {
 throw new RepositoryException(getMetadata().name(); "unknown url protocol from URL [" + url + "]");
 }
 for (String supportedProtocol : supportedProtocols) {
 if (supportedProtocol.equals(protocol)) {
 try {
 if (URIPattern.match(urlWhiteList; url.toURI())) {

 

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