Failed to kill upgrade process for model snapshot – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.17-8.3

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 Elasticsearch is unable to terminate the upgrade process for a model snapshot. This could be due to insufficient permissions, a locked resource, or a system error. To resolve this issue, you can try the following: 1) Check and adjust the user permissions to ensure the process can be killed. 2) Identify and unlock the resource that might be causing the issue. 3) Restart the Elasticsearch service to clear potential system errors. 4) If the problem persists, consider rolling back the upgrade and re-attempting it.

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 ” [{}] failed to kill upgrade process for model snapshot [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot, upgrade, plugin.

Log Context

Log “[{}] failed to kill upgrade process for model snapshot [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                process = null;
                processor = null;
            } catch (IOException e) {
                logger.error(new ParameterizedMessage("[{}] failed to kill upgrade process for model snapshot [{}]"; jobId; snapshotId); e);
        } else {
            logger.warn("[{}] attempt to kill upgrade process for model snapshot [{}] when no such process exists"; jobId; snapshotId);


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?