You installed Oracle Enterprise Manager Cloud Control, added your production databases to the Enterprise Manager system. You set up the metric thresholds, monitoring templates and notification rules. Everything was looking OK until you got a warning email about “Current Open Cursors Count”. It was surprising because you didn’t set any threshold for it.
You checked the “Metric and Collection Settings” page to be sure that you didn’t set up any threshold, and you were right!
You wanted to edit the metric from the event details page, and all you got is “The metric data can not be found.” error. So what is happening?