Index – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.2-7.15

Briefly, this error occurs when Elasticsearch tries to access an index that doesn’t exist. This could be due to a typo in the index name, or the index was deleted or not created yet. To resolve this issue, you can check the index name for typos, ensure the index was created properly, or recreate the index if it was deleted. Also, ensure that the operation you’re trying to perform is appropriate for the index’s current state.

This guide will help you check for common problems that cause the log ” Index [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, index.

Log Context

Log “Index [” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 if (item.isFailure()) {
 Exception e = item.getFailure();  // If an index was deleted after execution; give a hint to the user that this is a transient error
 if (e instanceof IndexNotFoundException) {
 throw new ResourceNotFoundException("Index [" + ((IndexNotFoundException) e).getIndex().getName()
 + "] was not found; likely because it was deleted while the request was in-flight. " +
 "Rollup does not support partial search results; please try the request again.");
 }  // Otherwise just throw


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