Trying to override task with id taskId – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when there’s an attempt to override an existing task with the same ID in Elasticsearch. This could be due to a programming error or a conflict in task scheduling. To resolve this, you can ensure unique task IDs for each task, or check if a task with the same ID is already running before attempting to start a new one. Also, consider implementing error handling to manage such conflicts.

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This guide will help you check for common problems that cause the log ” Trying to override task with id {” + taskId + “} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: persistent, task.

Log Context

Log “Trying to override task with id {” + taskId + “}” class name is PersistentTasksCustomMetadata.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 PersistentTask previousTask = tasks.put(
 taskId;
 new PersistentTask<>(taskId; taskName; params; getNextAllocationId(); assignment)
 );
 if (previousTask != null) {
 throw new ResourceAlreadyExistsException("Trying to override task with id {" + taskId + "}");
 }
 return this;
 }  /**

 

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