Slice cannot be used outside of a scroll context – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.14

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.

Briefly, this error occurs when the `slice` parameter is used in a search query outside of a scroll context. The `slice` parameter is used for splitting a scroll into multiple parts, but it’s not applicable for regular search queries. To resolve this issue, you can either remove the `slice` parameter from your search query if it’s not necessary, or if you need to use `slice`, you should use it within a scroll context. This involves initializing a scroll and then using the `slice` parameter in subsequent scroll requests.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

This guide will help you check for common problems that cause the log ” `slice` cannot be used outside of a scroll context ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search, scroll.

Log Context

Log “`slice` cannot be used outside of a scroll context” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  if (source.slice() != null) {
 if (context.scrollContext() == null) {
 throw new SearchException(shardTarget; "`slice` cannot be used outside of a scroll context");
 }  if (source.storedFields() != null) {


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?

Get expert answers on Elasticsearch/OpenSearch