Where can I see the error message of Oracle scheduled task execution?

To query Oracle scheduled task execution error information, you can follow the following steps: enable scheduled task logging; query scheduled task logs; filter error information.

Oracle scheduled task execution error information query

How to query Oracle scheduled task execution error information?

To query Oracle scheduled task execution error information, you can follow the following steps:

1. Enable scheduled task logging

<code class="sql">ALTER SYSTEM SET job_queue_processes=10;</code>

2. Query the scheduled task log

<code class="sql">SELECT * FROM dba_scheduler_job_log;</code>

3. Filter the error message

From the query results, find the log record corresponding to the scheduled task, and Filter out the lines starting with "error" or "failure", which are the error messages.

Interpretation of query results

The query results include the following fields:

• JOB_NAME: Scheduled task name
• JOB_SUBNAME: Scheduled task step name (for multi-step scheduled tasks)
• LOG_DATE: Error date
• MESSAGE: Error information

Other methods

In addition to directly querying the log, you can also use the following methods to view error information:

• Enterprise Manager: Navigate to the "Cronned Tasks" tab through Oracle Enterprise Manager and select "Logs".
• OEM Cloud Control: In the Monitoring and Control console, select Scheduled Tasks and click View Logs.

Note

• The retention time of scheduled task logs is limited, and it is 3 days by default. If the retention time exceeds, historical error information cannot be queried.
• Make sure that scheduled task logging is enabled, otherwise error information will not be recorded.

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