Bug 176569 123 is treated as Blank Value in Scalar Parameter [0705]
Description: 123 is treated as Blank Value in Scalar Parameter. Build number: 2.2.0.v20070307-1128 Steps to reproduce: 1. New a Parameter. 2. Untick Allow null value checkbox. Expected result: Parameter works correctly. Actual result: Another Parameter dialogue pops up and when you click OK button again, warning message "NewParameter cannot be blank" pops up (see the screenshot). Error log: N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
URL url = request.getSession( ).getServletContext( )
						.getResource( designFile );
				if ( url != null )
					return url.openConnection( ).getLastModified( );
			}
			catch ( Exception e )
			{
			}
		}
		return -1L;
	}
	/**
	 * Get report service instance.
	 */
	protected IViewerReportService getReportService( )
	{
		return BirtReportServiceFactory.getReportService( );
	}
	/**
	 * Clear our resources.
	 * 
	 * @exception Throwable
	 * @return
	 */
	protected void __finalize( ) throws Throwable
	{
	}
	/**
	 * get parsed parameters with default value.
	 *