nn_browsedfscontent.jsp
来自「hadoop:Nutch集群平台」· JSP 代码 · 共 53 行
JSP
53 行
<%@ page contentType="text/html; charset=UTF-8" import="javax.servlet.*" import="javax.servlet.http.*" import="java.io.*" import="java.util.*" import="org.apache.hadoop.dfs.*" import="java.text.DateFormat" import="java.net.InetAddress" import="java.net.URLEncoder"%><%! FSNamesystem fsn = FSNamesystem.getFSNamesystem(); public void redirectToRandomDataNode(HttpServletResponse resp) throws IOException { String datanode = fsn.randomDataNode(); String redirectLocation; String nodeToRedirect; int redirectPort; if (datanode != null) { redirectPort = Integer.parseInt(datanode.substring(datanode.indexOf(':') + 1)); nodeToRedirect = datanode.substring(0, datanode.indexOf(':')); } else { nodeToRedirect = fsn.getDFSNameNodeMachine(); redirectPort = fsn.getNameNodeInfoPort(); } String fqdn = InetAddress.getByName(nodeToRedirect).getCanonicalHostName(); redirectLocation = "http://" + fqdn + ":" + redirectPort + "/browseDirectory.jsp?namenodeInfoPort=" + fsn.getNameNodeInfoPort() + "&dir=" + URLEncoder.encode("/", "UTF-8"); resp.sendRedirect(redirectLocation); }%><html><title></title><body><% redirectToRandomDataNode(response); %><hr><h2>Local logs</h2><a href="/logs/">Log</a> directory<hr><a href="http://lucene.apache.org/hadoop">Hadoop</a>, 2006.<br></body></html>⌨️ 快捷键说明
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