Aborted by user – How to solve this OpenSearch exception

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when an OpenSearch operation is manually stopped by a user. This could be due to a variety of reasons such as the operation taking too long, or the user realizing they made a mistake. To resolve this issue, you can try to rerun the operation if it was stopped by mistake. If the operation is consistently taking too long, consider optimizing your queries or increasing your cluster resources. If the operation is no longer needed, no further action is required.

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This guide will help you check for common problems that cause the log ” aborted by user ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: index, shard.

Log Context

Log “aborted by user” class name is RemoveCorruptedShardDataCommand.java. We extracted the following from OpenSearch source code for those seeking an in-depth context :

 private static void confirm(String msg; Terminal terminal) {
 String text = terminal.readText("Confirm [y/N] ");
 if (text.equalsIgnoreCase("y") == false) {
 throw new OpenSearchException("aborted by user");
 }  private void warnAboutIndexBackup(Terminal terminal) {


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