Stopping deployment reason task getDeploymentId task stoppedReason orElse unknown – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.8-8.9

Briefly, this error occurs when Elasticsearch deployment is stopped due to a task interruption or failure. The task could be anything from indexing, searching, or any other operation. The ‘getDeploymentId’ task was stopped for an unknown reason. To resolve this issue, you can try the following: 1) Check the Elasticsearch logs for any detailed error messages or warnings. 2) Verify the health of your Elasticsearch cluster. 3) Ensure that the task was not manually interrupted. 4) Check the system resources, as insufficient resources can cause tasks to fail. 5) If the problem persists, consider restarting the Elasticsearch service.

This guide will help you check for common problems that cause the log ” [{}] Stopping deployment; reason [{}]”; task.getDeploymentId(); task.stoppedReason().orElse(“unknown ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, task.

Log Context

Log “[{}] Stopping deployment; reason [{}]”; task.getDeploymentId(); task.stoppedReason().orElse(“unknown” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :


    public void stopDeployment(TrainedModelDeploymentTask task) {
        ProcessContext processContext = processContextByAllocation.remove(task.getId());
        if (processContext != null) {
  "[{}] Stopping deployment; reason [{}]"; task.getDeploymentId(); task.stoppedReason().orElse("unknown"));
        } else {
            logger.warn("[{}] No process context to stop"; task.getDeploymentId());


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?