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
boolean isValidDocument = ParameterAccessor
					.isValidFilePath( ParameterAccessor.getParameter( request,
							ParameterAccessor.PARAM_REPORT_DOCUMENT ) );
			if ( isValidDocument )
			{
				
				reportDocumentInstance = ReportEngineService.getInstance( )
						.openReportDocument( this.reportDesignName,
								this.reportDocumentName, this.moduleOptions );
				if ( reportDocumentInstance != null )
				{
					reportRunnable = reportDocumentInstance.getReportRunnable( );
				}
				else
				{
					throw new ViewerException(
							ResourceConstants.GENERAL_EXCEPTION_DOCUMENT_FILE_ERROR,
							new String[]{this.reportDocumentName} );
				}
			}
			else
			{
				throw new ViewerException(
						ResourceConstants.GENERAL_EXCEPTION_DOCUMENT_ACCESS_ERROR,
						new String[]{this.reportDocumentName} );
			}
		}
		else if ( isReportExist )
		{