Bug 143890 [Smoke]Chart cann't preview as web view
Details: [Smoke]Chart cann't preview as web view Setp: 1.Add a chart on report design. 2.Preview as web view. Actual result: The chart can't be preview on web view.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
fault
					.setFaultCode( new QName(
							"ReportEngineService.getResultSets( )" ) ); 
			fault.setFaultString( e.getLocalizedMessage( ) );
			throw fault;
		}
		finally
		{
			dataTask.close( );
		}
		return resultSetArray;
	}
	/**
	 * Extract data.
	 * 
	 * @param document
	 * @param id
	 * @param columns
	 * @param filters
	 * @param locale
	 * @param outputStream
	 * @throws RemoteException
	 */
	public void extractData( IReportDocument document, String resultSetName,
			Collection columns, Locale locale, OutputStream outputStream )
			throws RemoteException
	{
		assert document != null;
		assert resultSetName != null && resultSetName.length( ) > 0;
		assert columns != null && !columns.isEmpty( );