Failed to clear scroll – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

Briefly, this error occurs when Elasticsearch is unable to clear the scroll context. This could be due to a variety of reasons such as insufficient permissions, a network issue, or an internal server error. To resolve this issue, you can try the following: 1) Check the user permissions to ensure they have the necessary rights to clear the scroll. 2) Verify the network connectivity between the client and the Elasticsearch server. 3) Check the Elasticsearch server logs for any internal errors and address them accordingly.

This guide will help you check for common problems that cause the log ” Failed to clear scroll [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, scroll, reindex.

Log Context

Log “Failed to clear scroll [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


            public void onFailure(Exception e) {
                logger.warn(() -> new ParameterizedMessage("Failed to clear scroll [{}]"; scrollId); e);


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