If you have installed weblogic using jdk7 and your enterprise manager resides on a different machine then the local host you may find that you need to downgrade the jdk to make certain features between the admin and the webtier work correctly many oracle bugs are known but not documented related to this.
cp /app/oracle/product/ofm11g/user_projects/domains/<yourdomain>bin/setDomainEnv.sh .
vi /app/oracle/product/ofm11g/user_projects/domains/<yourdomain>/bin/setDomainEnv.sh
Fix this setting
SUN_JAVA_HOME="/usr/java/jdk1.6.0_33"
JAVA_HOME="/usr/java/jdk1.6.0_33"
Error examples in adminserver logs may look like the following
oracle.sysman.emas.ohs
[ACTIVE].ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'
ServerPerformanceModel instantiated
ReadFile failed Received fatal alert: unexpected_message
oracle.adf.view.rich.change.FilteredPersistenceChangeManager
The DocumentChange is not configured to be allowed for the component: RichTable[org.apache.myfaces.trinidad.component.UIXTable$RowKeyFacesBeanWrapper@7e3b54af, id=messagesResult]