EM12c: Invalid Warning or Critical Values in Free Text Thresholds on Metric and Collection Settings Page Causes no Alert to be Triggered (Doc ID 1984329.1)

Last updated on MARCH 08, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.4.0 and later
Information in this document applies to any platform.

Symptoms

After enabling DB Alert Log metric in EM by navigating to Oracle Database > Monitoring > Metric and Collection Settings and adding and invalid threshold:"   ORA-"     (includes leading spaces) to the Critical or Warning thresholds for the Archiver Hung Alert Log Error, no incidents are raised when an error occurs, such as ORA-16038, in the alert.log

Cause

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