Examples of org.apache.hadoop.http.HttpServer$SelectChannelConnectorWithSafeStartup

org.apache.hadoop.http.HttpServer
Create a Jetty embedded server to answer http requests. The primary goal is to serve up status information for the server. There are three contexts: "/logs/" -> points to the log directory "/static/" -> points to common static files (src/webapps/static) "/" -> the jsp server code from (src/webapps/) This class comes from the HttpServer in branch-2.2. HDFS and YARN have moved to use HttpServer2. This class exists for compatibility reasons, it stays in hadoop-common to allow HBase working with both Hadoop 2.2 and Hadoop 2.3. See HBASE-10336 for more details.

    // Initialize other scheduling parameters from the configuration
    checkpointConf = new CheckpointConf(conf);


    // initialize the webserver for uploading files.
    int tmpInfoPort = infoSocAddr.getPort();
    infoServer = new HttpServer("secondary", infoBindAddress, tmpInfoPort,
                                tmpInfoPort == 0, conf,
                                new AccessControlList(conf.get(DFS_ADMIN, " "))) {
      {
        if (UserGroupInformation.isSecurityEnabled()) {
          Map<String, String> params = new HashMap<String, String>();

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  public void start() throws IOException {
    final String infoHost = bindAddress.getHostName();
    int infoPort = bindAddress.getPort();


    httpServer = new HttpServer("hdfs", infoHost, infoPort,
                                infoPort == 0, conf,
                                new AccessControlList(conf.get(DFS_ADMIN, " "))) {
      {
        // Add SPNEGO support to NameNode
        if (UserGroupInformation.isSecurityEnabled()) {

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    // create a servlet to serve full-file content
    InetSocketAddress infoSocAddr = DataNode.getInfoAddr(conf);
    String infoHost = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    this.infoServer = (secureResources == null) 
       ? new HttpServer("datanode", infoHost, tmpInfoPort, tmpInfoPort == 0, 
           conf, new AccessControlList(conf.get(DFS_ADMIN, " ")))
       : new HttpServer("datanode", infoHost, tmpInfoPort, tmpInfoPort == 0,
           conf, new AccessControlList(conf.get(DFS_ADMIN, " ")),
           secureResources.getListener());
    if(LOG.isDebugEnabled()) {
      LOG.debug("Datanode listening on " + infoHost + ":" + tmpInfoPort);
    }

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    //create a servlet to serve full-file content
    InetSocketAddress infoSocAddr = DataNode.getInfoAddr(conf);
    String infoHost = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    this.infoServer = (secureResources == null) 
       ? new HttpServer("datanode", infoHost, tmpInfoPort, tmpInfoPort == 0, 
           conf, SecurityUtil.getAdminAcls(conf, DFSConfigKeys.DFS_ADMIN))
       : new HttpServer("datanode", infoHost, tmpInfoPort, tmpInfoPort == 0,
           conf, SecurityUtil.getAdminAcls(conf, DFSConfigKeys.DFS_ADMIN),
           secureResources.getListener());
    if (conf.getBoolean("dfs.https.enable", false)) {
      boolean needClientAuth = conf.getBoolean("dfs.https.need.client.auth", false);
      InetSocketAddress secInfoSocAddr = NetUtils.createSocketAddr(conf.get(

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      this.httpServer = ugi.doAs(new PrivilegedExceptionAction<HttpServer>() {
        @Override
        public HttpServer run() throws IOException, InterruptedException {
          String infoHost = infoSocAddr.getHostName();
          int infoPort = infoSocAddr.getPort();
          httpServer = new HttpServer("hdfs", infoHost, infoPort, 
              infoPort == 0, conf, 
              SecurityUtil.getAdminAcls(conf, DFSConfigKeys.DFS_ADMIN)) {
            {
              // Add SPNEGO support to NameNode
              if (UserGroupInformation.isSecurityEnabled() &&

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  }


  private void initializeHttpWebServer(final InetSocketAddress infoSocAddr)
      throws IOException {
    int tmpInfoPort = infoSocAddr.getPort();
    infoServer = new HttpServer("secondary", infoBindAddress, tmpInfoPort,
                                tmpInfoPort == 0, conf,
                                SecurityUtil.getAdminAcls
                                  (conf, DFSConfigKeys.DFS_ADMIN)) {
        {
          if (UserGroupInformation.isSecurityEnabled()) {

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        public HttpServer run() throws IOException, InterruptedException {
          LOG.info("Starting web server as: " +
              UserGroupInformation.getCurrentUser().getUserName());


          int tmpInfoPort = infoSocAddr.getPort();
          infoServer = new HttpServer("secondary", infoBindAddress, tmpInfoPort,
              tmpInfoPort == 0, conf, 
              SecurityUtil.getAdminAcls(conf, DFSConfigKeys.DFS_ADMIN));
          
          System.setProperty("https.cipherSuites", 
              Krb5AndCertsSslSocketConnector.KRB5_CIPHER_SUITES.get(0));

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    initializationPoller.setDaemon(true);
    initializationPoller.start();


    if (taskTrackerManager instanceof JobTracker) {
      JobTracker jobTracker = (JobTracker) taskTrackerManager;
      HttpServer infoServer = jobTracker.infoServer;
      infoServer.setAttribute("scheduler", this);
      infoServer.addServlet("scheduler", "/scheduler",
          CapacitySchedulerServlet.class);
    }


    started = true;
    LOG.info("Capacity scheduler initialized " + queueNames.size() + " queues");

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    // create a servlet to serve full-file content
    InetSocketAddress infoSocAddr = DataNode.getInfoAddr(conf);
    String infoHost = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    this.infoServer = (secureResources == null) 
       ? new HttpServer("datanode", infoHost, tmpInfoPort, tmpInfoPort == 0, 
           conf, new AccessControlList(conf.get(DFS_ADMIN, " ")))
       : new HttpServer("datanode", infoHost, tmpInfoPort, tmpInfoPort == 0,
           conf, new AccessControlList(conf.get(DFS_ADMIN, " ")),
           secureResources.getListener());
    if(LOG.isDebugEnabled()) {
      LOG.debug("Datanode listening on " + infoHost + ":" + tmpInfoPort);
    }

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                                "tasktracker.http.port",
                                "mapred.task.tracker.http.address");
    InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(infoAddr);
    String httpBindAddress = infoSocAddr.getHostName();
    int httpPort = infoSocAddr.getPort();
    this.server = new HttpServer("task", httpBindAddress, httpPort,
        httpPort == 0, conf, aclsManager.getAdminsAcl());
    workerThreads = conf.getInt("tasktracker.http.threads", 40);
    server.setThreads(1, workerThreads);
    // let the jsp pages get to the task tracker, config, and other relevant
    // objects

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