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
if ( curName != null
						&& curName.equalsIgnoreCase( configVarName ) )
				{
					paramName = parameter.getName( );
					break;
				}
			}
		}
		return paramName;
	}
	/**
	 * Returns the report design handle
	 * 
	 * @param request
	 * @throws Exception
	 * @return Report Design Handle
	 */
	protected IViewerReportDesignHandle getDesignHandle(
			HttpServletRequest request ) throws Exception
	{
		IViewerReportDesignHandle design = null;
		IReportRunnable reportRunnable = null;
		IReportDocument reportDocumentInstance = null;
		boolean isDocumentExist = ParameterAccessor.isReportParameterExist(
				request, ParameterAccessor.PARAM_REPORT_DOCUMENT );
		boolean isReportExist = ParameterAccessor.isReportParameterExist(
				request, ParameterAccessor.PARAM_REPORT );
		
		if ( isDocumentExist && !isReportExist )
		{