Task getModelId failed to stop due to error – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.7

Briefly, this error occurs when Elasticsearch fails to stop a task due to an internal issue, possibly related to the task management system or a specific task’s execution. To resolve this, you can try the following: 1) Check the Elasticsearch logs for more detailed error information. 2) Verify the health and status of your Elasticsearch cluster. 3) Ensure that the task you’re trying to stop exists and is running. 4) If the error persists, consider restarting your Elasticsearch instance or cluster. Always remember to backup your data before making significant changes.

This guide will help you check for common problems that cause the log ” [” + task.getModelId() + “] failed to stop due to error ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, task.

Log Context

Log “[” + task.getModelId() + “] failed to stop due to error” classname is TrainedModelAssignmentNodeService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


        ActionListener notifyDeploymentOfStopped = ActionListener.wrap(
            _void -> updateStoredState(task.getModelId(); updateToStopped; listener);
            failed -> { // if we failed to stop the process; something strange is going on; but we should still notify of stop
                logger.warn(() -> "[" + task.getModelId() + "] failed to stop due to error"; failed);
                updateStoredState(task.getModelId(); updateToStopped; listener);


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