Unknown url protocol from URL ” + url + ” – Elasticsearch Error How To Solve Related Issues



Unknown url protocol from URL ” + url + ” – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many errors 

 

This guide will help you check for common problems that cause the log “unknown url protocol from URL ” + url + “” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: repositories.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

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())) {

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 java.net.MalformedURLException: no protocol on URL based on a string modified with URLEncoder -views 227,740 ,score 30

Malformed URL no protocol error -views   37,821,score 1



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