If you want to copy the configurations of an application to another namespace, you can use the application copy feature of SAE.
Limits
You cannot copy applications across regions.
You can copy only one application each time.
Procedure
Log on to the SAE console.
In the left-side navigation pane, click Applications. In the top navigation bar, select a region.
On the Applications page, find the application that you want to copy and click Copy in the Actions column.
Then, you are redirected to the Create Application page. Modify the configurations based on your business requirements and create the current application as prompted. For more information, see Deploy a Java application to SAE 1.0.