Bug 180408 After correct the expression of dimension, NPE throws out and the x-tab can not be previewed anymore[1102]
Description: After correct the expression of level, NPE throws out and the x-tab can not be previewed anymore[1102] Build number: 2.2.0.v20070402-0630 Steps to reproduce: 1, New a cube with two report design 2, New a x-tab using the cube 3, Change the level's name to CUSTOMER_REGION1 4, Preview the report 5, Correct the expression in x-tab: dimension["Customer"]["CUSTOMER_REGION1"] 6, Preview the report Expected result: After step4, the report can not be previewed but not shown up the NPE message After step5 and 6, the report can be previewed successfully Actual result: After step4, NPE pops up After step6, NPE still pops up Error log:
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
}
		else if ( function.equals( "max" ) )
		{
			se = new ScriptExpression( "Total.max("
					+ measure.getMeasureExpression( ) + ",null,"
					+ query.getGroups( ).size( ) + ")" );
		}
		se.setDataType( DataType.DOUBLE_TYPE );
		return se;
	}
	/**
	 * 
	 * @param levelNameColumnNamePair
	 * @param resultMetaList
	 * @throws BirtException
	 */
	private void populateMeta( Map levelNameColumnNamePair, List resultMetaList )
			throws BirtException
	{
		IResultMetaData rm = this.it.getResultMetaData( );
		Iterator levelIt = levelNameColumnNamePair.keySet( ).iterator( );
		while ( levelIt.hasNext( ) )
		{
			String key = levelIt.next( ).toString( );
			for ( int i = 0; i < rm.getColumnCount( ); i++ )
			{
				if ( key.equals( rm.getColumnName( i + 1 ) ) )
				{
					ColumnMeta value = (ColumnMeta) levelNameColumnNamePair.get( key );
					value.setDataType( rm.getColumnType( i + 1 ) );