Bug 135790 ClassCastException in RowData.
ClassCastException is thrown in RowData line 81(IBaseExpression expr = ( IBaseExpression ) valueExpressions.get( index - 1 );).
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ListingElementExecutor.java
if ( ( rsetCursor + 1 ) % pageBreakInterval == 0 )
					{
						needPageBreak = true;
					}
				}
				if ( rset.getEndingGroupLevel( ) == 0 )
				{
					
					
					needPageBreak = false;
					startTOCEntry( null );
					accessFooter( listing, outputEmitter, rsIterator );
					finishTOCEntry( );
				}
			} while ( rset.next( ) );
			return;
		}
		
		
		
		
		boolean hideDetail = false;
		int hideGroupStartIndex = -1;
		do
		{
			rsetCursor++;
			int startGroup = rset.getStartingGroupLevel( );
			ArrayList groupList = listing.getGroups( );
			if ( startGroup != NONE_GROUP )
			{