EM Grid 11g installation error Failed to validate node manager port
During EM Grid installation when OMS configuration getting failed with below error in log file.
Error :
java.net.BindException: Address already in use
FINE: OMSWLSAdapter::Failed to validate node manager port
oracle.sysman.omsca.framework.OMSCAFreshInstall execute
SEVERE: ERROR: Pre req checks of EM failed.
oracle.sysman.omsca.framework.OMSConfigAssistantDriver main
FINE: Got resultfalse
Solution :
Oracle Enterprise Manager Grid Control Advanced Installation and Configuration Guide 11g Release 1 (11.1.0.1.0)
2.3 : Understanding Installation Basics
Section : What Ports Are Used for Installation?
http://download.oracle.com/docs/cd/E11857_01/install.111/e16847/preparing_for_install.htm#BACEEJEH
The following are the default ports used for installation:
Node Manager
The default HTTPS port for Node Manager is 7401. If 7401 is not available, then the first available free port from the range 7401 to 7500 is selected.
lsof -i :7401
kill -9 PID
then retry the OMS configuration