Cannot create job – 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 create job ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

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 create job [“classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

persistentTasksService.sendStartRequest(job.getConfig().getId(); RollupField.TASK_NAME; job;
 rollupConfigPersistentTask -> waitForRollupStarted(job; listener; persistentTasksService);
 e -> {
 if (e instanceof ResourceAlreadyExistsException) {
 e = new ElasticsearchStatusException("Cannot create job [" + job.getConfig().getId() +
 "] because it has already been created (task exists)"; RestStatus.CONFLICT; e);


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