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

org.apache.hadoop.http.HttpServer
A very simple servlet to serve up a text representation of the current stack traces. It both returns the stacks to the caller and logs them. Currently the stack traces are done sequentially rather than exactly the same data.

                                "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);
    workerThreads = conf.getInt("tasktracker.http.threads", 40);
    this.shuffleServerMetrics = new ShuffleServerMetrics(conf);
    server.setThreads(1, workerThreads);
    // let the jsp pages get to the task tracker, config, and other relevant

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                                "mapred.job.tracker.http.address");
    InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(infoAddr);
    String infoBindAddress = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    this.startTime = System.currentTimeMillis();
    infoServer = new HttpServer("job", infoBindAddress, tmpInfoPort, 
        tmpInfoPort == 0, conf);
    infoServer.setAttribute("job.tracker", this);
    // initialize history parameters.
    boolean historyInitialized = JobHistory.init(conf, this.localMachine,
                                                 this.startTime);

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      NetUtils.getServerAddress(conf, "dfs.info.bindAddress", 
                                "dfs.info.port", "dfs.http.address");
    InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(infoAddr);
    String infoHost = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    this.infoServer = new HttpServer("hdfs", infoHost, tmpInfoPort, 
        tmpInfoPort == 0, conf);
    InetSocketAddress secInfoSocAddr = NetUtils.createSocketAddr(
        conf.get("dfs.https.address", infoHost + ":" + 0));
    Configuration sslConf = new Configuration(conf);
    sslConf.addResource(conf.get("https.keystore.info.rsrc", "sslinfo.xml"));

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                              "dfs.datanode.info.port",
                              "dfs.datanode.http.address");
    InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(infoAddr);
    String infoHost = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    this.infoServer = new HttpServer("datanode", infoHost, tmpInfoPort,
        tmpInfoPort == 0, conf);
    InetSocketAddress secInfoSocAddr = NetUtils.createSocketAddr(
        conf.get("dfs.datanode.https.address", infoHost + ":" + 0));
    Configuration sslConf = new Configuration(conf);
    sslConf.addResource(conf.get("https.keystore.info.rsrc", "sslinfo.xml"));

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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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                                "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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      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));
          
          boolean certSSL = conf.getBoolean("dfs.https.enable", false);
          boolean useKrb = UserGroupInformation.isSecurityEnabled();

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                                "mapred.job.tracker.http.address");
    InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(infoAddr);
    String infoBindAddress = infoSocAddr.getHostName();
    int tmpInfoPort = infoSocAddr.getPort();
    this.startTime = clock.getTime();
    infoServer = new HttpServer("job", infoBindAddress, tmpInfoPort, 
        tmpInfoPort == 0, conf, aclsManager.getAdminsAcl());
    infoServer.setAttribute("job.tracker", this);
    // initialize history parameters.
    final JobTracker jtFinal = this;
    getMROwner().doAs(new PrivilegedExceptionAction<Boolean>() {

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      if (runBackgroundUpdates)
        new UpdateThread().start();
      // Register servlet with JobTracker's Jetty server
      if (taskTrackerManager instanceof JobTracker) {
        JobTracker jobTracker = (JobTracker) taskTrackerManager;
        HttpServer infoServer = jobTracker.infoServer;
        infoServer.setAttribute("scheduler", this);
        infoServer.addServlet("scheduler", "/scheduler",
            FairSchedulerServlet.class);
      }
    } catch (Exception e) {
      // Can't load one of the managers - crash the JobTracker now while it is
      // starting up so that the user notices.

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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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