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/DataSetIterator.java
* @return
		 */
		public String getFieldName( int index )
		{
			return ( (ColumnMeta) this.indexMap.get( new Integer( index ) ) ).getName( );
		}
		
		/**
		 * 
		 * @param index
		 * @return
		 */
		public Object getNullValueReplacer( int index )
		{
			return this.nullValueReplacer[index - 1];
		}
		
		/**
		 * 
		 * @param fieldType
		 * @return
		 */
		private Object createNullValueReplacer( int fieldType )
		{
			
			switch ( fieldType )
			{
				case DataType.DATE_TYPE :
					return new java.util.Date( nullTime );
				case DataType.SQL_DATE_TYPE :