In this step, you check in the changes in the Design Time Repository (DTR). This will make them available for transportation to the Component Build Service (CBS) system.
You work in the Development Configuration perspective.
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1. In the Open Activities view, open the node of your development configuration and the workspace.
You see your open activities.
2. Select the activity New J2EE Library.
3. From the context menu of the activity, choose Checkin.
4. Enter a description of your changes. To check in your activity, choose OK.
The activity state is now closed. It cannot be changed from now on. To make further changes to your files in this activity, you have to create a new activity.
Your changes are stored in the DTR.