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
catch ( IOException e )
		{
			throw new DataException( ResourceConstants.RD_LOAD_ERROR,
					e,
					"Result Data" );
		}
		return exprValueMap;
	}
	/**
	 * @param absoluteRowIndex
	 * @throws IOException
	 * @throws DataException
	 */
	private void skipTo( int absoluteRowIndex ) throws IOException, DataException
	{
		if ( currReadIndex == absoluteRowIndex )
			return;
		
		if ( this.dataSetData!= null )
		{
			this.dataSetData.skipTo( absoluteRowIndex );
		}		
		
		if ( version == VersionManager.VERSION_2_0 )
		{
			int exprCount;
			int gapRows = absoluteRowIndex - currReadIndex;
			for ( int j = 0; j < gapRows; j++ )
			{
				exprCount = IOUtil.readInt( rowExprsDis );