Example usage for java.net UnknownHostException printStackTrace

Introduction

In this page you can find the example usage for java.net UnknownHostException printStackTrace.

Prototype

public void printStackTrace() 

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:net.mohatu.bloocoin.miner.SubmitList.java

private void submit() {
    for (int i = 0; i < solved.size(); i++) {
        try {//from  w  w w .j a v  a 2  s . c  o  m
            Socket sock = new Socket(this.url, this.port);
            String result = new String();
            DataInputStream is = new DataInputStream(sock.getInputStream());
            DataOutputStream os = null;
            BufferedReader in = new BufferedReader(new InputStreamReader(is));
            solution = solved.get(i);
            hash = DigestUtils.sha512Hex(solution);

            String command = "{\"cmd\":\"check" + "\",\"winning_string\":\"" + solution
                    + "\",\"winning_hash\":\"" + hash + "\",\"addr\":\"" + Main.getAddr() + "\"}";
            os = new DataOutputStream(sock.getOutputStream());
            os.write(command.getBytes());

            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                result += inputLine;
            }

            if (result.contains("\"success\": true")) {
                System.out.println("Result: Submitted");
                Main.updateStatusText(solution + " submitted", Color.blue);
                Thread gc = new Thread(new Coins());
                gc.start();
            } else if (result.contains("\"success\": false")) {
                System.out.println("Result: Failed");
                Main.updateStatusText("Submission of " + solution + " failed, already exists!", Color.red);
            }
            is.close();
            os.close();
            os.flush();
            sock.close();
        } catch (UnknownHostException e) {
            e.printStackTrace();
            Main.updateStatusText("Submission of " + solution + " failed, connection failed!", Color.red);
        } catch (IOException e) {
            e.printStackTrace();
            Main.updateStatusText("Submission of " + solution + " failed, connection failed!", Color.red);
        }
    }
    Thread gc = new Thread(new Coins());
    gc.start();
}

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From source file:net.mohatu.bloocoin.miner.RegCustom.java

private void register() {
    try {// www.  j a  v a2 s  .c o m
        String result = new String();
        Socket sock = new Socket(this.url, this.port);
        String command = "{\"cmd\":\"register" + "\",\"addr\":\"" + addr + "\",\"pwd\":\"" + key + "\"}";
        DataInputStream is = new DataInputStream(sock.getInputStream());
        DataOutputStream os = new DataOutputStream(sock.getOutputStream());
        os.write(command.getBytes());
        os.flush();

        BufferedReader in = new BufferedReader(new InputStreamReader(is));
        String inputLine;
        while ((inputLine = in.readLine()) != null) {
            result += inputLine;
        }

        is.close();
        os.close();
        sock.close();
        System.out.println(result);
        if (result.contains("\"success\": true")) {
            System.out.println("Registration successful: " + addr);
            saveBloostamp();
        } else if (result.contains("\"success\": false")) {
            System.out.println("Result: Failed");
            JOptionPane.showMessageDialog(Main.scrollPane,
                    "Registration failed.\nCheck your network connection", "Registration Failed",
                    JOptionPane.ERROR_MESSAGE);
            System.exit(0);
        }
    } catch (UnknownHostException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.medsphere.ovid.common.uuid.KeyGenerator.java

public KeyGenerator() {
    try {//from w  w  w. j  a v a2 s  .  c  om
        InetAddress inet = InetAddress.getLocalHost();
        byte[] bytes = inet.getAddress();
        String inetAddressInHex = new String(Hex.encodeHex(bytes));
        String hashCodeForThis = new String(Hex.encodeHex(intToByteArray(System.identityHashCode(this))));
        middle = inetAddressInHex + hashCodeForThis;
        seeder = new SecureRandom();
        seeder.nextInt();

    } catch (UnknownHostException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        seeder = new SecureRandom();
        seeder.nextInt();
        middle = new Integer(this.hashCode()).toString();
    }

}

---

From source file:org.mangelp.fakeSmtpWeb.Config.java

public InetAddress getWebBindInetAddress() {
    InetAddress address = null;//from w w w.j a  va  2 s .c om

    try {
        address = InetAddress.getByName(this.webBindAddress);
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }

    return address;
}

---

From source file:org.mangelp.fakeSmtpWeb.Config.java

public InetAddress getMailBindInetAddress() {
    InetAddress address = null;// www . ja  v  a2  s .  com

    try {
        address = InetAddress.getByName(this.mailBindAddress);
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }

    return address;
}

---

From source file:mobi.espier.lgc.data.UploadHelper.java

private String doHttpPostAndGetResponse(String url, byte[] data) {
    if (TextUtils.isEmpty(url) || data == null || data.length < 1) {
        return null;
    }//from ww w . j av  a  2 s  .com

    String response = null;
    try {
        HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
        conn.setConnectTimeout(30000);
        conn.setReadTimeout(30000);
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setRequestProperty("Content-Length", String.valueOf(data.length));
        OutputStream outStream = conn.getOutputStream();
        outStream.write(data);

        int mResponseCode = conn.getResponseCode();
        if (mResponseCode == 200) {
            response = getHttpResponse(conn);
        }
        conn.disconnect();
    } catch (UnknownHostException e) {
        e.printStackTrace();
    } catch (SocketTimeoutException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return response;
}

---

From source file:com.waltz3d.common.httpclient.request.AsyncHttpRequest.java

private void makeRequestWithRetries() throws ConnectException {
    // This is an additional layer of retry logic lifted from droid-fu
    // See: https://github.com/kaeppler/droid-fu/blob/master/src/main/java/com/github/droidfu/http/BetterHttpRequestBase.java
    boolean retry = true;
    IOException cause = null;/*  w  ww .  j  av  a  2s  . c o  m*/
    HttpRequestRetryHandler retryHandler = client.getHttpRequestRetryHandler();
    while (retry) {
        try {
            makeRequest();
            return;
        } catch (UnknownHostException e) {
            e.printStackTrace();
            if (responseHandler != null) {
                responseHandler.sendFailureMessage(e, "can't resolve host");
            }
            return;
        } catch (SocketException e) {
            e.printStackTrace();
            // Added to detect host unreachable
            if (responseHandler != null) {
                responseHandler.sendFailureMessage(e, "can't resolve host");
            }
            return;
        } catch (SocketTimeoutException e) {
            e.printStackTrace();
            if (responseHandler != null) {
                responseHandler.sendFailureMessage(e, "socket time out");
            }
            return;
        } catch (IOException e) {
            e.printStackTrace();
            cause = e;
            retry = retryHandler.retryRequest(cause, ++executionCount, context);
        } catch (NullPointerException e) {
            e.printStackTrace();
            // there's a bug in HttpClient 4.0.x that on some occasions causes
            // DefaultRequestExecutor to throw an NPE, see
            // http://code.google.com/p/android/issues/detail?id=5255
            cause = new IOException("NPE in HttpClient" + e.getMessage());
            retry = retryHandler.retryRequest(cause, ++executionCount, context);
        }
    }

    // no retries left, crap out with exception
    ConnectException ex = new ConnectException();
    ex.initCause(cause);
    throw ex;
}

---

From source file:uk.ac.cam.eng.rule.retrieval.HFileRuleQuery.java

public HFileRuleQuery(HFileRuleReader reader, BloomFilter bf, BufferedWriter out, Collection<Text> query,
        FeatureCreator features, RuleRetriever retriever, Configuration conf) {
    this.reader = reader;
    this.bf = bf;
    this.out = out;
    this.query = query;
    this.features = features;
    this.retriever = retriever;
    this.s2tClient = new TTableClient();
    this.t2sClient = new TTableClient();
    this.conf = conf;
    try {//from   w w  w. j  a  va 2s  .  c  om
        s2tClient.setup(conf, true);
        t2sClient.setup(conf, false);
    } catch (UnknownHostException e) {
        e.printStackTrace();
        System.exit(1);
    }
}

---

From source file:org.apache.hadoop.mpich.MpichContainerWrapper.java

public void run() {
    try {//from   w  w w .ja v  a2s  . c om
        clientSock = new Socket(ioServer, ioServerPort);
        System.setOut(new PrintStream(clientSock.getOutputStream(), true));
        System.setErr(new PrintStream(clientSock.getOutputStream(), true));

        String hostName = InetAddress.getLocalHost().getHostName();
        System.out.println("Starting process " + executable + " on " + hostName);

        List<String> commands = new ArrayList<String>();
        commands.add(executable);
        if (appArgs != null && appArgs.length > 0) {
            commands.addAll(Arrays.asList(appArgs));
        }

        ProcessBuilder processBuilder = new ProcessBuilder(commands);
        processBuilder.redirectErrorStream(true);
        processBuilder.redirectOutput(ProcessBuilder.Redirect.INHERIT);

        Map<String, String> evns = processBuilder.environment();
        evns.put("PMI_RANK", rank);
        evns.put("PMI_SIZE", np);
        evns.put("PMI_ID", pmiid);
        evns.put("PMI_PORT", pmiServer + ":" + pmiServerPort);

        if (this.isSpawn) {
            evns.put("PMI_SPAWNED", "1");
        }

        LOG.info("Starting process:");
        for (String cmd : commands) {
            LOG.info(cmd + "\n");
        }

        Process process = processBuilder.start();
        System.out.println("Process exit with value " + process.waitFor());
        System.out.println("EXIT");//Stopping IOThread
        clientSock.close();
    } catch (UnknownHostException exp) {
        System.err.println("Unknown Host Exception, Host not found");
        exp.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:net.shopxx.controller.admin.VirAccountController.java

/**
 * //from   ww w  . ja  v a 2 s . c  om
 */
@RequestMapping(value = "/update", method = RequestMethod.POST)
public String update(Long id, String amount, String content, ModelMap model,
        RedirectAttributes redirectAttributes, String recruitMap) {

    VirAccount virAccount = virAccountService.find(id);
    Admin admin = adminService.getCurrent();

    InetAddress addr;
    try {
        addr = InetAddress.getLocalHost();
        virAccount.setLastRechargeIp(addr.getHostAddress());
    } catch (UnknownHostException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    BigDecimal rebateAmounts = virAccount.getRebateAmounts().add(new BigDecimal(amount));
    virAccount.setRebateAmounts(rebateAmounts);
    virAccount.setLastRechargeDate(new Date());
    virAccountService.update(virAccount);

    VirTradeLog virTradeLog = new VirTradeLog();
    virTradeLog.setVirAccount(virAccount);
    virTradeLog.setType(VirTradeLog.Type.rebate);
    virTradeLog.setOperator(admin.getName());
    if (content == null) {
        virTradeLog.setContent(admin.getName() + "? " + virAccount.getSerialNumber() + ""
                + new BigDecimal(amount));
    } else {
        virTradeLog.setContent(content);
    }
    virTradeLog.setRebateAmount(new BigDecimal(amount));
    virTradeLog.setRechargeAmount(new BigDecimal(0));
    virTradeLogService.save(virTradeLog);
    model.addAttribute("vitual", virAccount);
    addFlashMessage(redirectAttributes, SUCCESS_MESSAGE);

    return "redirect:list.jhtml";
}

---

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