Monitoring WebLogic Server

You can monitor both the availability and performance of WebLogic Server Domains from Enterprise Manager. You can view both real time and historical metrics of your WebLogic Server Domains. As we discussed earlier, WebLogic Server has three distinct entities such as WebLogic Server Domain, cluster and managed server. Each of these are modeled as separate targets in Enterprise Manager. Thus each domain, managed server and cluster has separate homepages, status, and so on.

Availability and state

You can monitor the status of WebLogic Server. WebLogic Server has several states such as RUNNING, ADMIN, SHUTDOWN, STARTING, and so on. However, an Enterprise Manager target can have only two statuses either UP or DOWN. In a production monitoring purpose it makes sense because your applications are unavailable when the WebLogic Server is in a state other than RUNNING. Enterprise Manager shows the status as UP only when the state of the WebLogic Server is RUNNING and...