Bug 178489 [Deployment]Error log isn't printed in log file when using framset set method[0601]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/RunTask.java
{
		try
		{
			archive.initialize( );
			writer = new ReportDocumentWriter( engine, archive );
			executionContext.setReportDocWriter( writer );
		}
		catch ( IOException ex )
		{
			throw new EngineException( "Can not open the report archive.", ex ); 	
		}
	}
	private void closeReportDocument( )
	{
		writer.close( );
	}
	/**
	 * runs the report
	 * 
	 * @throws EngineException
	 *             throws exception when there is a run error
	 */
	protected void doRun( ) throws EngineException
	{
		
		if ( !validateParameters( ) )
		{
			throw new EngineException(
					MessageConstants.INVALID_PARAMETER_EXCEPTION ); 
		}