Transform has stopped – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.5-8.9

Briefly, this error occurs when an Elasticsearch Transform, a process that converts source indices into a destination index, is halted due to reasons like insufficient resources, configuration issues, or underlying data problems. To resolve this, you can try increasing system resources, checking the transform configuration for errors, or inspecting the source data for inconsistencies. Additionally, check the Elasticsearch logs for more specific error messages that could provide further insight into the problem. Restarting the transform after addressing the issue might also be necessary.

This guide will help you check for common problems that cause the log ” [{}] transform has stopped. ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “[{}] transform has stopped.” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


    protected void onStop() {; "Transform has stopped.");"[{}] transform has stopped."; transformConfig.getId());

    protected void onAbort() {; "Received abort request; stopping transform.");


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