When I monitor WebLogic server, I get the message "Applications Manager could not register to the WebLogic server for Data Collection" at the top.
Reason :
To monitor a WebLogic server, Applications Manager needs to register an MBean in the WebLogic server. This error message is shown when Applications Manager is unable to register the MBean.
Solution :
1. Ping Applications Manager’s server name from the machine in which Applications Manager is running. Check if the IP address is 127.0.0.1.
2. If ping <AppManager_Host> returns 127.0.0.1, WebLogic will not be able to get the required configuration from Applications Manager.
3. If the ping does not return 127.0.0.1, check the entry in the system's <hosts> file which can be found at :
Windows: <C:\Windows\system32\drivers\etc\hosts>
Linux: /etc/hosts
4. Check whether AppManager is accessible from the WebLogic server's host machine, i.e., check if 'http://<ApplicationsManager hostname>:<portNumber>' is reachable.
5. Check whether any errors or exceptions are thrown in the WebLogic logs.
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