Clarify Scenario:

We are deploying a core.database project with actions, adapters, datasource, and schemas.

Clarify Issue:

During the deployment of the database core project, we incurred a deployment error -- org.eclipse.core.runtime.CoreException.

Server Error:

Project Deployment:

Clarify Resolution:

Due to the possibility of a missing object, we checked to make sure that there were no null values in Global Variables, ControlNumbers, or NextNumbers present within the projects

Objects that could potentially cause a SourceDeployer$ProjectXmlValidationException are:
Global Variables
ControlNumbers
NextNumbers
DatabaseAdapters