Get Weblogic version

Three steps to know Weblogic version in case Weblogic is down.

1.
source $ORACLE_HOME/wlserver/server/bin/setWLSEnv.sh
cd $ORACLE_HOME/wlserver/server/lib

java -cp weblogic.jar weblogic.version


2.

cd $ORACLE_HOME/inventory

 more registry.xml | grep weblogic





3.

cd $ORACLE_HOME/wlserver/server/bin

source setWLSEnv.sh
java weblogic.version | grep "WebLogic Server"