Bug 144577 Print in Web Viewer doesn't work in Linux
Description: Print in Web Viewer doesn't work in Linux Steps to reproduce: 1. New a report 2. Preview in Web Viewer and click Print button Expected result: Page is printed Actual result: Nothing happened.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/BirtUtility.java
synchronized ( map )
			{
				map.remove( taskid );
			}
		}
	}
	/**
	 * Returns the parameter handle list
	 * 
	 * @param reportDesignHandle
	 * @return
	 * @throws ReportServiceException
	 */
	public static List getParameterList(
			IViewerReportDesignHandle reportDesignHandle )
			throws ReportServiceException
	{
		IReportRunnable runnable = (IReportRunnable) reportDesignHandle
				.getDesignObject( );
		if ( runnable == null )
			return null;
		ModuleHandle model = runnable.getDesignHandle( ).getModuleHandle( );
		if ( model == null )
			return null;
		return model.getFlattenParameters( );
	}
	/**
	 * find the parameter definition by parameter name
	 *