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

Oracle scheduled task execution error information can be viewed in the following locations: job log (job_log) job scheduler log (scheduler_job_log) database alert log (alert_log.log) job queue job (job_queue_jobs) DBMS_SCHEDULER.GET_JOB_LOG package

Oracle scheduled task execution error information location

Oracle The error information generated during the execution of scheduled tasks can be viewed at the following location ：

1. View the job log (job_log)

<code class="sql">SELECT
  JOB_NAME,
  LOG_DATE,
  STATUS,
  LOG_DETAILS
FROM
  DBA_JOBS_LOG
WHERE
  JOB_NAME = '<作业名称>';</code>

2. View the job scheduler log (scheduler_job_log)

<code class="sql">SELECT
  SCHEDULER_JOB_NAME,
  RUN_DATE,
  STATUS,
  LOG_DETAILS
FROM
  DBA_SCHEDULER_JOB_LOG
WHERE
  SCHEDULER_JOB_NAME = '<作业名称>';</code>

3. Check the database alarm log (alert_log.log)

If the error message is serious, it may be recorded in the database alarm log. By default, the alarm log is located in the following path:

• ##Unix/Linux: /oracle//admin//bdump/< ;oracle_sid>.log
##Windows：
• ...\Oracle\diag\rdbms\\\trace

4. View job queue jobs (job_queue_jobs)

<code class="sql">SELECT
  JOB_NAME,
  QUEUE_NAME,
  STATUS,
  MESSAGE
FROM
  DBA_JOB_QUEUE_JOBS
WHERE
  JOB_NAME = '<作业名称>';</code>

5. Use the DBMS_SCHEDULER.GET_JOB_LOG package

<code>DECLARE
  jlob DBMS_LOB.CLOB;
BEGIN
  DBMS_SCHEDULER.GET_JOB_LOG(
    '作业名称',
    jlob
  );
  -- 将 CLOB 中的数据导出为字符串
  DBMS_OUTPUT.PUT_LINE(DBMS_LOB.SUBSTR(
    jlob,
    1,
    DBMS_LOB.GETLENGTH(jlob)
  ));
END;
/</code>

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