There should be no trailing slash in the base path – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.6-7.17

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Briefly, this error occurs when the base path of your Elasticsearch URL ends with a slash (“/”). Elasticsearch interprets this as an incorrect URL format. To resolve this issue, you can remove the trailing slash from the base path in your Elasticsearch URL. For example, if your URL is “http://localhost:9200/”, change it to “http://localhost:9200”. Also, ensure to update any scripts or applications that reference the old URL to prevent recurrence of the error.

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This guide will help you check for common problems that cause the log ” there should be no trailing slash in the base path ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “there should be no trailing slash in the base path” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 throw new ElasticsearchException("bucket option is required for cleaning up repository");
 }  String basePath = basePathOption.value(options);
 if (basePath.endsWith("/")) {
 throw new ElasticsearchException("there should be no trailing slash in the base path");
 }  Long safetyGapMillis = safetyGapMillisOption.value(options);  if (safetyGapMillis != null && safetyGapMillis < 0L) {


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