Cannot update task with id taskId the task no longer exists – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when an attempt is made to update a task in Elasticsearch using an ID that no longer exists or is incorrect. This could be due to the task being deleted or completed. To resolve this issue, you can verify the task ID and ensure it’s correct. If the task was deleted, you may need to recreate it. If the task was completed, you may need to create a new task or check if the update is still necessary.

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This guide will help you check for common problems that cause the log ” cannot update task with id {” + taskId + “}; the task no longer exists ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: persistent, task.

Log Context

Log “cannot update task with id {” + taskId + “}; the task no longer exists” class name is PersistentTasksCustomMetadata.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 PersistentTask taskInProgress = tasks.get(taskId);
 if (taskInProgress != null) {
 changed = true;
 tasks.put(taskId; new PersistentTask<>(taskInProgress; taskState));
 } else {
 throw new ResourceNotFoundException("cannot update task with id {" + taskId + "}; the task no longer exists");
 }
 return this;
 }  /**

 

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