Bug 153507 Bogus error when bad data set column referenced in group key
Run attached report design. Its group key binding column, "groupkey", is defined to refer to a non-existing data set column: dataSetRow["bad"]. However the actual error seen when previewing the report in BIRT designer: Table (id = 6): + A BIRT exception occurred: Error evaluating Javascript expression. Script engine error: TypeError: valueOf is not a function. Script source: null, line: 0, text: <compiled script>. See next exception for more information. Error evaluating Javascript expression. Script engine error: TypeError: valueOf is not a function. Script source: null, line: 0, text: <compiled script> This error is completely irrelevant to the actual cause of the problem.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryExecutor.java
private static Logger logger = Logger.getLogger( DataEngineImpl.class.getName( ) );
	/**
	 * @param sharedScope
	 * @param baseQueryDefn
	 * @param aggrTable
	 */
	QueryExecutor( Scriptable sharedScope, IBaseQueryDefinition baseQueryDefn,
			AggregateTable aggrTable )
	{
		this.sharedScope = sharedScope;
		this.baseQueryDefn = baseQueryDefn;
		this.aggrTable = aggrTable;
	}
	/**
	 * Provide the actual DataSourceRuntime used for the query.
	 * 
	 * @return
	 */
	abstract protected DataSourceRuntime findDataSource( ) throws DataException;
	/**
	 * Create a new instance of data set runtime
	 * 
	 * @return
	 */
	abstract protected DataSetRuntime newDataSetRuntime( ) throws DataException;
	/**
	 * Create a new unopened odiDataSource given the data source runtime
	 * definition
	 * 
	 * @return