For Weblogic administrators and application devolopers, it may be desirable to view the JVM metrics from a managed server in OEM (CloudControl) and Java Mission Control. It is also possible to use the flight recorder with stored measurement data so that it can be analyzed at a later time.
Issue:
With a standard installation of Weblogic, the jvm metrics can not be retrieved or limited within Oem. Java mission control can not always connect using JMX.
The following error message shown in Oracle Enterprise Manager:
BEA-141277
managedserver-1.out:<May 30, 2018 9:07:44 AM CEST> <Warning> <Management> <BEA-141277> <The JMX MBean PlatformMBeanServerUsed attribute is true, but the Platform MBeanServer was created without the hooks for the WebLogic Server security infrastructure. The Platform MBeanServer will not be used and Platform MBeans will not be available using the WebLogic Server Runtime or Domain Runtime MBeanServers. This can occur if Platform MBeanServer system properties or JVM options (-Dcom.sun.management.jmxremote or JRockit -XManagement) were defined. Read the complete article here.
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