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
{
		if ( libraries == null )
			libraries = new ArrayList( );
		URL url = findResource( libraryFileName, IResourceLocator.LIBRARY );
		if ( url == null )
		{
			DesignParserException ex = new DesignParserException(
					new String[]{libraryFileName},
					DesignParserException.DESIGN_EXCEPTION_FILE_NOT_FOUND );
			List exceptionList = new ArrayList( );
			exceptionList.add( ex );
			throw new DesignFileException( libraryFileName, exceptionList );
		}
		try
		{
			Library library = LibraryReader.getInstance( ).read( session, this,
					url.toString( ), namespace, url.openStream( ) );
			if ( StringUtil.isBlank( namespace ) )
			{
				library.setNamespace( StringUtil
						.extractFileName( libraryFileName ) );
			}
			return library;
		}
		catch ( IOException e )
		{
			DesignParserException ex = new DesignParserException(
					new String[]{libraryFileName},
					DesignParserException.DESIGN_EXCEPTION_FILE_NOT_FOUND );
			List exceptionList = new ArrayList( );