Cannot reassign task with id ” + taskId + “; the task no longer exists – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” cannot reassign 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: task and persistent.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “cannot reassign task with id {” + taskId + “}; the task no longer exists”classname  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; getNextAllocationId(); assignment));
 } else {
 throw new ResourceNotFoundException("cannot reassign task with id {" + taskId + "}; the task no longer exists");
 }
 return this;
 } 
 /**

 

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