Bug 150601 Drillthrough link from pdf(frameset) should link to frameset servlet instead of run.
Description: Drillthrough link from pdf(frameset) should link to frameset servlet instead of run. Steps to reproduce: 1. New a report 2. Insert a label and define a drill through link to other report 3. Preview in Web viewer, click Print as PDF button in viewer toolbar 4. Click drill through link in pdf Expected result: Target report opens through frameset sevlet instead of run servlet. Because the pdf is displayed through frameset servlet. Actual result: Target report opened through run sevlet
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
String configValue = (String) configVars.get( paramName );
				ReportParameterConverter cfgConverter = new ReportParameterConverter(
						format, Locale.US );
				paramValueObj = cfgConverter.parse( configValue, parameterObj
						.getDataType( ) );
			}
			else
			{
				paramValueObj = task.getDefaultValue( parameterObj.getName( ) );
			}
			params.put( paramName, paramValueObj );
		}
		return params;
	}
	/**
	 * Check whether missing parameter or not.
	 * 
	 * @param task
	 * @param parameters
	 * @return true if all the parameter values are valid, otherwise false
	 */
	public boolean validateParameters( IGetParameterDefinitionTask task,
			Map parameters )
	{
		assert task != null;
		assert parameters != null;
		boolean missingParameter = false;
		Collection parameterList = task.getParameterDefns( false );
		for ( Iterator iter = parameterList.iterator( ); iter.hasNext( ); )
		{