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/src/org/eclipse/birt/report/model/util/ModelUtil.java
return element;
			}
		}
		catch ( Exception e )
		{
			
			assert false;
		}
		return null;
	}
	/**
	 * Adds an element to the name space. If the module is null, or element is
	 * null, or element is not in the tree of module, then do nothing.
	 * 
	 * @param module
	 * @param element
	 */
	public static void addElement2NameSpace( Module module,
			DesignElement element )
	{
		if ( module == null || element == null || element.getRoot( ) != module )
			return;
		module.makeUniqueName( element );
		int ns = ( (ElementDefn) element.getDefn( ) ).getNameSpaceID( );
		if ( element.getName( ) != null
				&& ns != MetaDataConstants.NO_NAME_SPACE
				&& element.getContainer( ).isManagedByNameSpace(
						element.getContainerSlot( ) ) )
			module.getNameSpace( ns ).insert( element );
	}