Bug 161501 [Smoke] Chart can not be previewed in Web Viewer & HTML
Chart can not be previewed in Web Viewer & HTML Steps to reproduce: 1. Create a chart. 2. Preveiw in Web Viewer/ HTML. Expected result: Chart can be previewed. Actual result: No chart is shown.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
public IReportDocument openReportDocument( String systemId, String docName,
			Map options )
	{
		IReportDocument document = null;
		try
		{
			document = engine.openReportDocument( systemId, docName, options );
		}
		catch ( Exception e )
		{
		}
		return document;
	}
	/**
	 * Render image.
	 * 
	 * @param imageId
	 * @param outputStream
	 * @throws RemoteException
	 */
	public void renderImage( String imageId, OutputStream outputStream )
			throws RemoteException
	{
		assert ( this.imageHandler != null );
		try
		{
			this.imageHandler.getImage( outputStream, this.imageDirectory,
					imageId );
		}
		catch ( EngineException e )