Bug 207250 Check blank value for datetime type parameter from url.[0002][0705]
Description: Check blank value for datetime type parameter from url. Build number:2.3.0.v20071023 Steps to reproduce: 1. New a datetime parameter mydt,listbox, tick off isRequired. 2. Preview in external browser and add "&dt=" in url, press enter. Expected result: Error message to indicate blank value isn't allowed for this parameter. Actual result: No error message and blank value is accepted. I tried to new a jsp and use <birt:paramDef> to pass the blank value and the blank value is accepted,too. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
throw new ViewerException(
								ResourceConstants.GENERAL_EXCEPTION_REPORT_FILE_ERROR,
								new String[]{this.reportDesignName} );
					}
				}
				catch ( EngineException e )
				{
					this.exception = e;
				}
			}
		}
		if ( reportDocumentInstance != null )
		{
			this.documentInUrl = true;
			this.parameterMap = reportDocumentInstance.getParameterValues( );
			
			if ( !reportDocumentInstance.isComplete( ) && isReportExist )
				this.isDocumentProcessing = true;
			reportDocumentInstance.close( );
		}
		if ( reportRunnable != null )
		{
			design = new BirtViewerReportDesignHandle(
					IViewerReportDesignHandle.RPT_RUNNABLE_OBJECT,
					reportRunnable );
		}
		return design;
	}
	/**
	 * Determine the report design and doc 's timestamp