Bug 155751 [regression]Nothing displayed when drag report items from a old library to a report layout
Nothing displayed when drag report items from a old library to a report layout Steps to reproduce: 1.new a report and use a old library in outline view 2.Drag table,label,text,chart all to the report layout 3.Nothing displayed when previewed Expected result: Items can be diplayed properly' Actual result: Items weren't displayed when drag report items from a old library to a report layout while displayed well when drag report items from a new library to a report layout
viewer/org.eclipse.birt.report.viewer/src/org/eclipse/birt/report/viewer/utilities/WebViewer.java
String masterPageContent = ViewerPlugin.getDefault( )
				.getPluginPreferences( ).getString( MASTER_PAGE_CONTENT );
		boolean bMasterPageContent = true;
		if ( "false".equalsIgnoreCase( masterPageContent ) ) 
		{
			bMasterPageContent = false;
		}
		
		String encodedResourceFolder = null;
		try
		{
			if ( resourceFolder != null )
				encodedResourceFolder = URLEncoder.encode( resourceFolder,
						"utf-8" ); 
		}
		catch ( UnsupportedEncodingException e )
		{
			
		}
		if ( encodedResourceFolder == null )
			encodedResourceFolder = ""; 
		
		return getBaseURL( )
				+ servletName
				+ "?" 
				+ "__report=" + encodedReportName 
				+ "&__format=" + format 
				+ "&__svg=" + String.valueOf( bSVGFlag ) 
				+ ( LocaleTable.containsKey( locale )
						? "&__locale=" + LocaleTable.get( locale ) : "" )