Bug 179661 NPE throws out when preview the attached report [1102]
Description: NPE throws out when preview the attached report [1102] Build number: 2.2.0.v20070328-0630 Steps to reproduce: 1, Using attached report design file 2, Preview Expected result: Previewed successfully Actual result: NPE throws out when preview Error log:
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataRequestSessionImpl.java
inputParamBindings,
				columnBindings,
				boundColumnName,
				null );
	}
	
	/*
	 * (non-Javadoc)
	 * @see org.eclipse.birt.report.data.adapter.api.DataRequestSession#getColumnValueSet(org.eclipse.birt.report.model.api.DataSetHandle, java.util.Iterator, java.util.Iterator, java.lang.String, int, int)
	 */
	public Collection getColumnValueSet( DataSetHandle dataSet,
			Iterator inputParamBindings, Iterator columnBindings,
			String boundColumnName, IRequestInfo requestInfo )
			throws BirtException
	{
		ArrayList temp = new ArrayList();
		
		while ( columnBindings.hasNext( ) )
		{
			temp.add( columnBindings.next( ) );
		}
		if ( referToAggregation( temp, boundColumnName ) )
			return new ArrayList( );
		
		IQueryResults queryResults = getGroupingQueryResults( dataSet,
				inputParamBindings,
				temp.iterator( ),
				boundColumnName );
		IResultIterator resultIt = queryResults.getResultIterator( );
		int maxRowCount = -1;