Bug 204430 [Automation][Regression]An exception is thrown in console when preview reportdesign
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/document/util/ExprDataReader1.java
for ( int i = 0; i < exprCount; i++ )
				{
				
					IOUtil.readObject( rowExprsDis );
				}
			}
		}
		else if ( version <= VersionManager.VERSION_2_2_1_1 )
		{
			rowLenRAIs.seek( absoluteRowIndex * INT_LENGTH );
			int rowOffsetAbsolute = IOUtil.readInt( rowLenRAIs );
			
			rowExprsRAIs.seek( rowOffsetAbsolute + this.metaOffset ); 
			rowExprsDis = new DataInputStream( rowExprsRAIs );
		}
		else 
		{
			rowLenRAIs.seek( absoluteRowIndex * 8  );
			long rowOffsetAbsolute = IOUtil.readLong( this.rowLenDis );
			
			rowExprsRAIs.seek( rowOffsetAbsolute + this.metaOffset ); 
			rowExprsDis = new DataInputStream( rowExprsRAIs );
		}
	}
	
	/**
	 * @throws IOException
	 * @throws DataException 
	 */
	private Map getValueMap( ) throws IOException, DataException