public void setAttribute(String name, Object value) {
    webAppContext.setAttribute(name, value);
  }
Set a value in the webapp context. These values are available to the jsp pages as
"application.getAttribute(name)".
@param name  The name of the attribute
@param value The value of the attribute
hbase-http/src/main/java/org/apache/hadoop/hbase/http/HttpServer.java