[Q] installed new ORACLE VM error

I am test ORACLE new VM 2.1 software. When I installed VM-Manager and got error message "create connection pool error".

Can anyone help me on that??

Installing the ovs-manager package (rpm) ... Done

Set default schema to 'OVS'.
Please enter the password for OVS:
Please re-enter the password for OVS:

Creating the Oracle VM Manager database schema ...Done

Installing the oc4j package (rpm) ... Done The default password for oc4jadmin is oracle. You can change the default password after the installation completes. To access the OC4J Home Page and change the password go to http://127.0.0.1:8888/em
Starting OC4J ... Done
OC4J logfiles can be found in /var/log/ovm-manager/oc4j.log.

Deploying Oracle VM Manager application to OC4J container. Please enter the password for oc4jadmin: Please enter the Oracle Net Listener Port , default is [1521] ? Creating connection pool ...

Failed at "Could not get DeploymentManager".

This is typically the result of an invalid deployer URI format being supplied, the target server not being in a started state or inc orrect authentication details being supplied.

More information is available by enabling logging -- please see the Oracle Containers for J2EE Configuration and Administration Guid e for details.

 Failed
Please see /var/log/ovm-manager/ovm-manager.log for more information. Deploying application failed.
Please check your environment, and re-run the script:/bin/sh scripts/deployApp.sh

Aborting installation. Please check the environment and rerun runInstaller.sh. Received on Fri Nov 16 2007 - 08:49:33 CST