Bug 173389 Exception is thrown when edit the cascading parameter group[0002]
Exception is thrown when edit the cascading parameter group[0002] Build number: 2.2.0.v20070208-1000 Steps to reproduce: 1.new a sample data source and select CUSTOMERS table as data set 2.new a cascading parameter group and use the data set,select the CUSTOMERNAME ,drag the parameter to layout then preview 3.switch to data explorer ,click the parameter ,change the CUSTOMERNAME to CUSTOMERNUMBER 4.preview in layout Expected result: No exception thrown Actual result: Exception thrown Error log: see attached image
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
.get( paramName ) ) );
			}
		}
		return parsedParameters;
	}
	/**
	 * find the parameter handle by parameter name
	 * 
	 * @param paramName
	 * @return
	 * @throws ReportServiceException
	 */
	public ParameterHandle findParameter( String paramName )
			throws ReportServiceException
	{
		return BirtUtility.findParameter( this.reportDesignHandle, paramName );
	}
	/**
	 * find the parameter definition object by parameter name
	 * 
	 * @param paramName
	 * @return
	 */
	public ParameterDefinition findParameterDefinition( String paramName )
	{
		return BirtUtility.findParameterDefinition( this.parameterDefList,
				paramName );
	}
	/**
	 * Returns the report title