Bug 168148 [regression]Table with chart from library fails to preview.[01][0001]
Description: Table with chart from library fails to preview. Build number:2.1.2.v20061215 and 2.2.0.v20061213 Steps to reproduce: 1.Create a library, create a sample DB data source and data set: select * from orders 2.Insert a tabel to the library, bind data set to the table 3.Insert a group for the tabel ,group by "row["OrderDate"]", Interval: Year, Range:1 4.Drag a chart into 3rd cell on group row, bar chart, go to "Select Data" tab , bind data set, X Series:row["OrderDate"], Y Series:row["OrderNumger"]; click "Finish" button 5.Create a new report, use the library 6.Drag the table in the library to the report. 7.Preview in html. Expected Result: Report content displays without errors. Actual result: Error happened while running the report.(same for 2.1.2 and 2.2.0) Error log: org.eclipse.birt.report.service.api.ReportServiceException: Error happened while running the report
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/extension/PeerExtensionTest.java
GridHandle grid = (GridHandle) slot.get( 0 );
		assertEquals( "footerGrid", grid.getName( ) ); 
		openDesign( FILE_NAME_4 );
		extendedItem = (ExtendedItemHandle) designHandle
				.findElement( "testTable" ); 
		assertNotNull( extendedItem );
		assertNull( extendedItem.getReportItem( ) );
		assertEquals( TESTING_TABLE_NAME, extendedItem.getExtensionName( ) );
		assertNotNull( extendedItem.getDefn( ) );
		ExtensionPropertyDefn propDefn = (ExtensionPropertyDefn) extendedItem
				.getPropertyDefn( "customComments" ); 
		assertFalse( propDefn.hasOwnModel( ) );
	}
	/**
	 * Tests the writer for peer extension slot.
	 * 
	 * @throws Exception
	 */
	public void testWriter( ) throws Exception
	{
		openDesign( FILE_NAME );
		ExtendedItemHandle extendedItem = (ExtendedItemHandle) designHandle
				.findElement( "testBox" ); 
		assertNotNull( extendedItem );
		
		SlotHandle slot = extendedItem.getSlot( 1 );
		LabelHandle label = designHandle.getElementFactory( ).newLabel(
				"addLabel" ); 
		slot.add( label );
		IDesignElement clonedExtendedItem = extendedItem.copy( );