Assignment does not exist – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.4-8.9

Briefly, this error occurs when Elasticsearch tries to assign a task to a nonexistent entity. This could be due to a misconfiguration or a typo in the task assignment. To resolve this issue, you should first verify the existence of the entity you’re trying to assign the task to. If it doesn’t exist, create it. If it does exist, check for typos or incorrect syntax in your assignment command. Also, ensure that the entity has the necessary permissions to perform the task.

This guide will help you check for common problems that cause the log ” [{}] assignment does not exist ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “[{}] assignment does not exist” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 return this;
 }  public Builder updateAssignment(String deploymentId; TrainedModelAssignment.Builder assignment) {
 if (deploymentRoutingEntries.containsKey(deploymentId) == false) {
 throw new ResourceNotFoundException("[{}] assignment does not exist"; deploymentId);
 deploymentRoutingEntries.put(deploymentId; assignment);
 return this;


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