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 true;
			if ( tmpElement instanceof ReferenceableElement )
				referenceElements.add( tmpElement );
		}
		for ( int i = 0; i < referenceElements.size( ); i++ )
		{
			if ( isRecursiveReference( reference,
					(ReferenceableElement) referenceElements.get( i ) ) )
				return true;
		}
		return false;
	}
	/**
	 * Returns the URL object of the given string. If the input value is in URL
	 * format, return it. Otherwise, create the corresponding file object then
	 * return the url of the file object.
	 * 
	 * @param filePath
	 *            the file path
	 * @return the URL object or <code>null</code> if the
	 *         <code>filePath</code> cannot be parsed to the URL.
	 */
	public static URL getURLPresentation( String filePath )
	{
		try
		{
			return new URL( filePath );
		}
		catch ( MalformedURLException e )
		{