Bug 211710 [Regression] Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview [01]
Description: Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview. Build number: 2.2.2.v20071203-0630 Steps to reproduce: 1. New a Library with cascading parameters. 2. New a report and extend the cascading parameters from the library and preview. Expected result: Values can be selected from the drop-down list. Actual result: Values can not be selected from the drop-down list. Error log: N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/GetParameterDefinitionTask.java
}
		}
		catch ( BirtException ex )
		{
			log.log( Level.WARNING, ex.getMessage( ), ex );
			executionContext.addException( ex );
		}
		return choices;
	}
	private DataRequestSession createDataSession( DataSetHandle dataSet )
	{
		IDataEngine dataEngine = executionContext.getDataEngine( );
		DataRequestSession dteSession = getDataSession();
		
		dataEngine.defineDataSet(dataSet);
		return dteSession;
	}
	
	private QueryDefinition createQueryDefinition( DataSetHandle dataSet )
	{
		QueryDefinition queryDefn = new QueryDefinition( );
		queryDefn.setDataSetName( dataSet.getName( ) );
		queryDefn.setAutoBinding( true );
		return queryDefn;
	}
	
	private IResultIterator executeQuery( DataRequestSession dteSession,
			QueryDefinition queryDefn ) throws BirtException
	{
		IPreparedQuery query = dteSession.prepare( queryDefn, getAppContext( ) );