Scheduled cancel task with timeout for original task is failed – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1.1-1.1

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Briefly, this error occurs when OpenSearch fails to cancel a scheduled task within the specified timeout period. This could be due to heavy load, insufficient resources, or a bug in the task management system. To resolve this issue, you can try increasing the timeout value, ensuring that the system has enough resources to handle the task, or checking for any bugs in the task management system. If the problem persists, consider breaking down the task into smaller, more manageable tasks.

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This guide will help you check for common problems that cause the log ” Scheduled cancel task with timeout: {} for original task: {} is failed ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: task.

Log Context

Log “Scheduled cancel task with timeout: {} for original task: {} is failed” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                // force the origin to execute the cancellation as a system user
                new OriginSettingClient(client; TASKS_ORIGIN).admin().cluster()
                    .cancelTasks(cancelTasksRequest; ActionListener.wrap(r -> logger.debug(
                        "Scheduled cancel task with timeout: {} for original task: {} is successfully completed"; timeoutInterval;
                        e -> logger.error(new ParameterizedMessage("Scheduled cancel task with timeout: {} for original task: {} is failed";
                            timeoutInterval; cancelTasksRequest.getTaskId()); e))
            wrappedListener.cancellable = client.threadPool().schedule(wrappedListener; timeoutInterval; ThreadPool.Names.GENERIC);
            listenerToReturn = wrappedListener;


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