Must not contain whitespace – How to solve this Elasticsearch error

Opster Team

March-22, 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 ” must not contain whitespace ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Snapshot.

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 “must not contain whitespace”classname  is SnapshotsService.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

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

 

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