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.setFaultString( e.getLocalizedMessage( ) );
			throw fault;
		}
		finally
		{
			runTask.close( );
		}
	}
	/**
	 * Render report page.
	 * 
	 * @param reportDocument
	 * @param pageNumber
	 * @param svgFlag
	 * @return report page content
	 * @throws RemoteException
	 */
	public ByteArrayOutputStream renderReport( HttpServletRequest request,
			IReportDocument reportDocument, long pageNumber,
			boolean masterPage, boolean svgFlag, List activeIds, Locale locale,
			boolean rtl ) throws RemoteException
	{
		ByteArrayOutputStream out = new ByteArrayOutputStream( );
		renderReport( out, request, reportDocument, pageNumber, masterPage,
				svgFlag, activeIds, locale, rtl );
		return out;
	}
	/**
	 * Render report page.
	 *