Bug 168304 Context root issue when set to other BIRT Web Project.[0603]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/servlet/ViewerServlet.java
{
			activeFragment = viewer;
		}
		else if ( IBirtConstants.SERVLET_PATH_RUN
				.equalsIgnoreCase( servletPath ) )
		{
			activeFragment = run;
		}
		if ( activeFragment != null )
			activeFragment.service( context.getRequest( ), context
					.getResponse( ) );
	}
	/**
	 * Locale process http request with POST method. Four different servlet
	 * paths are expected: "/frameset", "/navigation", "/toolbar", and "/run".
	 * 
	 * @param request
	 *            incoming http request
	 * @param response
	 *            http response
	 * @exception ServletException
	 * @exception IOException
	 * @return
	 */
	protected void __doPost( IContext context ) throws ServletException,
			IOException, BirtException
	{
	}
	/**
	 * Local authentication. Alwasy returns true.