Bug 140542 label can't be displayed without resource file or unmatched key
Steps to reproduce: 1.New a report, add a lable with text "aaa" 2.Add a resource file for the report, set key to "key1", value to "actuate", apply the value to the label 3.Clear the resource file in Property Editor->General->Resource File (or change the key to "abc") 4.Preview the report Expected result: 1.Display label text "aaa" on preview or 2.Give a warning message to say resource file is not found or unmatched key Actual result: Nothing displays on preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
module.activityStack = new ActivityStack( );
		module.allExceptions = null;
		module.attributeListeners = null;
		module.disposeListeners = null;
		module.elementIDCounter = 1;
		module.fatalException = null;
		module.idMap = new HashMap( );
		module.moduleNameSpaces = new IModuleNameSpace[NAME_SPACE_COUNT];
		module.nameSpaces = new NameSpace[NAME_SPACE_COUNT];
		module.nameManager = new NameManager( module );
		module.referencableProperties = null;
		module.saveState = 0;
		module.systemId = null;
		module.translations = (TranslationTable) translations.clone( );
		module.validationExecutor = new ValidationExecutor( module );
		module.validationListeners = null;
		assert module.getID( ) > NO_ID;
		assert module.getElementByID( module.getID( ) ) == null;
		module.addElementID( module );
		
		for ( int i = 0; i < NAME_SPACE_COUNT; i++ )
		{
			module.nameSpaces[i] = new NameSpace( );
			module.moduleNameSpaces[i] = ModuleNameScopeFactory
					.createElementNameSpace( module, i );
		}
		
		if ( theme != null )
			module.theme = new ElementRefValue( theme.getLibraryNamespace( ),
					theme.getName( ) );