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Manage batch jobs AX 2012

After you create and schedule a batch job, you might want to check its status, review its history, or cancel it. The following sections describe some of the most common management tasks associated with batch jobs.

View and change the batch job status
The Batch Job list form provides a snapshot view of the current state of batch jobs. The list displays the progress and the status of running and completed jobs. It also displays any jobs that are scheduled to start soon.
You can change the status of a batch job by selecting the batch job in the list and then following these steps:
1. Click Functions, and then click Change Status.
2. In the Select New Status dialog box, select a new status for the job. For example, if the status is Waiting, you can temporarily remove the batch job from the waiting list by changing the status to Withhold.

Tip If a job exits with a status of Error/Ended and you want to rerun the job, change its status to Waiting. The job will automatically be picked up by the server for execution.

You can cancel a batch job by changing its status to Canceling. Tasks in the Waiting or Ready state are changed to Not Run; currently executing tasks are interrupted, and their status is changed to Canceled.

Control the maximum retries
If an AOS fails because of an infrastructure failure or a power outage while a batch task is executing, the batch framework has the built-in capability to retry tasks after the AOS is restarted. Any tasks that were left in an executing state, and that have not reached the maximum retry limit, are changed to the Ready state and will run shortly after the failure.

Tip If you create custom tasks and want to enable retries, design the task so that it is idempotent—that is, it can be executed multiple times without unexpected consequences.

You can modify the Maximum Retries attribute for each batch task on the General tab. By default, the value is set to 1; when the Actual Retries field on the Update tab exceeds the maximum number of retries, the batch task fails. When this happens, the recurrence that is set for the batch job is not honored, and the status of the batch job is set to either Success or Error.

Review the batch job history
You can view a history of all batch jobs that have finished running in the Batch Job History form at System Administration > Inquiries > Batch Job History. This form displays detailed information about the status of the jobs, including any messages encountered while the batch job was running.

You can also view the logs for each batch job as follows:
■ To view log information for an entire batch, select a batch job, and then click Log.
■ To view log information for individual tasks, select a batch job, and then click View Tasks. In the Batch History list form, select a task, and then click Log.

Tip In the batch job settings, you can specify when log information is written to the history tables: Always (the default), On Error, or Never. Use On Error or Never to save disk space for batch jobs that run constantly. This option is located on the General tab of the
Batch Job form.

Inside Dynamics AX 2012 Book

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