Description Roberto Sanchez Herrera 2011-10-04 17:44:56 EDT

While fixing bug 357558, I added some clean up code in the dispose method of class FacetProjectCreationDataModelProvider, that included removing a listener from nestedProjectDM and setting the data model to null. But there can be cases in which the FacetProjectCreationDataModelProvider is disposed twice, and in those cases, a NPE will be thrown when running this line: 

IDataModel nestedProjectDM = model.getNestedModel(NESTED_PROJECT_DM);

A null check should be added to protect the method from throwing the NPE if the FacetProjectCreationDataModelProvider is disposed twice. 

Marking as major because is affecting an adopter.