001package org.apache.hadoop.hdfs.server.namenode;
002
003import javax.servlet.*;
004import javax.servlet.http.*;
005import javax.servlet.jsp.*;
006import org.apache.hadoop.util.ServletUtil;
007import org.apache.hadoop.fs.FileStatus;
008import org.apache.hadoop.fs.FileUtil;
009import org.apache.hadoop.fs.Path;
010import java.util.Collection;
011import java.util.Arrays;
012
013public final class corrupt_005ffiles_jsp extends org.apache.jasper.runtime.HttpJspBase
014    implements org.apache.jasper.runtime.JspSourceDependent {
015
016//for java.io.Serializable
017  private static final long serialVersionUID = 1L;
018  private static java.util.List _jspx_dependants;
019
020  public Object getDependants() {
021    return _jspx_dependants;
022  }
023
024  public void _jspService(HttpServletRequest request, HttpServletResponse response)
025        throws java.io.IOException, ServletException {
026
027    JspFactory _jspxFactory = null;
028    PageContext pageContext = null;
029    HttpSession session = null;
030    ServletContext application = null;
031    ServletConfig config = null;
032    JspWriter out = null;
033    Object page = this;
034    JspWriter _jspx_out = null;
035    PageContext _jspx_page_context = null;
036
037
038    try {
039      _jspxFactory = JspFactory.getDefaultFactory();
040      response.setContentType("text/html; charset=UTF-8");
041      pageContext = _jspxFactory.getPageContext(this, request, response,
042                        null, true, 8192, true);
043      _jspx_page_context = pageContext;
044      application = pageContext.getServletContext();
045      config = pageContext.getServletConfig();
046      session = pageContext.getSession();
047      out = pageContext.getOut();
048      _jspx_out = out;
049
050
051  /*
052   * Licensed to the Apache Software Foundation (ASF) under one
053   * or more contributor license agreements.  See the NOTICE file
054   * distributed with this work for additional information
055   * regarding copyright ownership.  The ASF licenses this file
056   * to you under the Apache License, Version 2.0 (the
057   * "License"); you may not use this file except in compliance
058   * with the License.  You may obtain a copy of the License at
059   *
060   *     http://www.apache.org/licenses/LICENSE-2.0
061   *
062   * Unless required by applicable law or agreed to in writing, software
063   * distributed under the License is distributed on an "AS IS" BASIS,
064   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
065   * See the License for the specific language governing permissions and
066   * limitations under the License.
067   */
068
069
070  NameNode nn = NameNodeHttpServer.getNameNodeFromContext(application);
071  FSNamesystem fsn = nn.getNamesystem();
072  String namenodeRole = nn.getRole().toString();
073  String namenodeLabel = nn.getNameNodeAddress().getHostName() + ":"
074      + nn.getNameNodeAddress().getPort();
075  Collection<FSNamesystem.CorruptFileBlockInfo> corruptFileBlocks = 
076        fsn.listCorruptFileBlocks("/", null);
077  int corruptFileCount = corruptFileBlocks.size();
078
079      out.write("<!DOCTYPE html>\n<html>\n<link rel=\"stylesheet\" type=\"text/css\" href=\"/static/hadoop.css\">\n<title>Hadoop ");
080      out.print(namenodeRole);
081      out.write("&nbsp;");
082      out.print(namenodeLabel);
083      out.write("</title>\n<body>\n<h1>");
084      out.print(namenodeRole);
085      out.write(' ');
086      out.write('\'');
087      out.print(namenodeLabel);
088      out.write("'</h1>\n");
089      out.print(NamenodeJspHelper.getVersionTable(fsn));
090      out.write("<br>\n<b><a href=\"/nn_browsedfscontent.jsp\">Browse the filesystem</a></b>\n<br>\n<b><a href=\"/logs/\">");
091      out.print(namenodeRole);
092      out.write(" Logs</a></b>\n<br>\n<b><a href=/dfshealth.jsp> Go back to DFS home</a></b>\n<hr>\n<h3>Reported Corrupt Files</h3>\n");
093
094  if (corruptFileCount == 0) {
095
096      out.write("<i>No missing blocks found at the moment.</i> <br>\n    Please run fsck for a thorough health analysis.\n");
097
098  } else {
099    for (FSNamesystem.CorruptFileBlockInfo c : corruptFileBlocks) {
100      String currentFileBlock = c.toString();
101
102      out.print(currentFileBlock);
103      out.write("<br>\n");
104
105    }
106
107      out.write("<p>\n      <b>Total:</b> At least ");
108      out.print(corruptFileCount);
109      out.write(" corrupt file(s)\n    </p>\n");
110
111  }
112
113
114  out.println(ServletUtil.htmlFooter());
115
116    } catch (Throwable t) {
117      if (!(t instanceof SkipPageException)){
118        out = _jspx_out;
119        if (out != null && out.getBufferSize() != 0)
120          out.clearBuffer();
121        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
122      }
123    } finally {
124      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
125    }
126  }
127}