Bug 124444 Preview attached file in pdf will display nothing.
Description: Preview attached file in pdf will display nothing. Steps to reproduce: 1. Preview attached design file in pdf Expected result: Report content shows Actual result: Wait for 10 minutes but nothing showed at all
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
hlAction.getHyperlink(), 
									hlAction.getBookmark(), 
									hlAction.getTargetWindow(), IHyperlinkAction.ACTION_BOOKMARK)) );
					break;
					
				case IHyperlinkAction.ACTION_DRILLTHROUGH: 
					String baseURL = null;
					
					if(context!=null)
					{
						baseURL = context.getBaseURL();
					}
					StringBuffer link = new StringBuffer( );
					String reportName = hlAction.getReportName( );
					if ( reportName != null && !reportName.equals( "" ) )
					{
						String format = hlAction.getFormat();
						if ( "pdf".equalsIgnoreCase( format ) ) 
			            {
			    			link.append( baseURL.replaceFirst( "frameset", "run" ) ); 
			            }
						link.append( "?__report=" );	
						try
						{
							link.append( URLEncoder.encode( reportName, "UTF-8" ) ); 	
						}
						catch ( UnsupportedEncodingException e1 )
						{
							
						}