Cannot be empty – How to solve this Elasticsearch error

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Cannot be empty – 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 ” cannot be empty ” 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 “cannot be empty”classname  is RepositoriesService.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 } 
 private static void validate(final String repositoryName) {
 if (Strings.hasLength(repositoryName) == false) {
 throw new RepositoryException(repositoryName; "cannot be empty");
 }
 if (repositoryName.contains("#")) {
 throw new RepositoryException(repositoryName; "must not contain '#'");
 }
 if (Strings.validFileName(repositoryName) == false) {

 

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