Completed upgrade mode request but with failure – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8-8.9

Briefly, this error occurs when Elasticsearch attempts to upgrade but encounters an issue during the process. This could be due to insufficient resources, incorrect configurations, or incompatible versions. To resolve this, you can try increasing system resources, checking and correcting the configurations, or ensuring that the version you’re upgrading to is compatible with your current system. Additionally, check the Elasticsearch logs for more specific details about the failure, which can guide you to a more precise solution.

This guide will help you check for common problems that cause the log ” Completed upgrade mode request but with failure ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, upgrade, request.

Log Context

Log “Completed upgrade mode request but with failure” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        ActionListener wrappedListener = ActionListener.wrap(r -> {
  "Completed upgrade mode request");
        }; e -> {
  "Completed upgrade mode request but with failure"; e);
        final PersistentTasksCustomMetadata tasksCustomMetadata = state.metadata().custom(PersistentTasksCustomMetadata.TYPE);


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?