Example usage for java.net HttpURLConnection getErrorStream

Introduction

In this page you can find the example usage for java.net HttpURLConnection getErrorStream.

Prototype

public InputStream getErrorStream() 

Source Link

Document

Returns the error stream if the connection failed but the server sent useful data nonetheless.

Usage

From source file:com.googlecode.jmxtrans.model.output.support.HttpOutputWriter.java

private void consumeInputStreams(HttpURLConnection httpURLConnection) throws IOException {
    Closer closer = Closer.create();//from   ww w  . ja va  2 s. c o m
    try {
        InputStream in = closer.register(httpURLConnection.getInputStream());
        InputStream err = closer.register(httpURLConnection.getErrorStream());
        copy(in, nullOutputStream());
        if (err != null)
            copy(err, nullOutputStream());
    } catch (Throwable t) {
        throw closer.rethrow(t);
    } finally {
        closer.close();
    }
}

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From source file:com.denimgroup.threadfix.service.defects.RestUtils.java

public static InputStream postUrl(String urlString, String data, String username, String password) {
    URL url = null;/*from   w w w  . j av  a  2s.  co  m*/
    try {
        url = new URL(urlString);
    } catch (MalformedURLException e) {
        log.warn("URL used for POST was bad: '" + urlString + "'");
        return null;
    }

    HttpURLConnection httpConnection = null;
    OutputStreamWriter outputWriter = null;
    try {
        httpConnection = (HttpURLConnection) url.openConnection();

        setupAuthorization(httpConnection, username, password);

        httpConnection.addRequestProperty("Content-Type", "application/json");
        httpConnection.addRequestProperty("Accept", "application/json");

        httpConnection.setDoOutput(true);
        outputWriter = new OutputStreamWriter(httpConnection.getOutputStream());
        outputWriter.write(data);
        outputWriter.flush();

        InputStream is = httpConnection.getInputStream();

        return is;
    } catch (IOException e) {
        log.warn("IOException encountered trying to post to URL with message: " + e.getMessage());
        if (httpConnection == null) {
            log.warn(
                    "HTTP connection was null so we cannot do further debugging of why the HTTP request failed");
        } else {
            try {
                InputStream errorStream = httpConnection.getErrorStream();
                if (errorStream == null) {
                    log.warn("Error stream from HTTP connection was null");
                } else {
                    log.warn(
                            "Error stream from HTTP connection was not null. Attempting to get response text.");
                    String postErrorResponse = IOUtils.toString(errorStream);
                    log.warn("Error text in response was '" + postErrorResponse + "'");
                }
            } catch (IOException e2) {
                log.warn("IOException encountered trying to read the reason for the previous IOException: "
                        + e2.getMessage(), e2);
            }
        }
    } finally {
        if (outputWriter != null) {
            try {
                outputWriter.close();
            } catch (IOException e) {
                log.warn("Failed to close output stream in postUrl.", e);
            }
        }
    }

    return null;
}

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From source file:org.apache.ambari.server.controller.metrics.timeline.MetricsRequestHelper.java

private boolean checkConnectionForPrecisionException(HttpURLConnection connection)
        throws IOException, URISyntaxException {

    if (connection != null && connection.getResponseCode() == HttpStatus.SC_BAD_REQUEST) {
        InputStream errorStream = connection.getErrorStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(errorStream));
        String errorMessage = reader.readLine();
        if (errorMessage != null && errorMessage.contains("PrecisionLimitExceededException")) {
            LOG.debug("Encountered Precision exception while requesting metrics : " + errorMessage);
            return false;
        } else {/*www.j a v  a  2  s.  c  o m*/
            throw new IOException(errorMessage);
        }
    }
    return true;
}

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From source file:com.expertiseandroid.lib.sociallib.utils.Utils.java

/**
 * Sends a POST request with an attached object
 * @param url the url that should be opened
 * @param params the body parameters/* w  w  w . java2 s.c  o m*/
 * @param attachment the object to be attached
 * @return the response
 * @throws IOException
 */
public static String postWithAttachment(String url, Map<String, String> params, Object attachment)
        throws IOException {
    String boundary = generateBoundaryString(10);
    URL servUrl = new URL(url);
    HttpURLConnection conn = (HttpURLConnection) servUrl.openConnection();
    conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + SOCIALLIB);
    conn.setRequestMethod("POST");
    String contentType = "multipart/form-data; boundary=" + boundary;
    conn.setRequestProperty("Content-Type", contentType);

    byte[] body = generatePostBody(params, attachment, boundary);

    conn.setDoOutput(true);
    conn.connect();
    OutputStream out = conn.getOutputStream();
    out.write(body);
    InputStream is = null;
    try {
        is = conn.getInputStream();
    } catch (FileNotFoundException e) {
        is = conn.getErrorStream();
    } catch (Exception e) {
        int statusCode = conn.getResponseCode();
        Log.e("Response code", "" + statusCode);
        return conn.getResponseMessage();
    }

    BufferedReader r = new BufferedReader(new InputStreamReader(is));
    StringBuilder sb = new StringBuilder();
    String l;
    while ((l = r.readLine()) != null)
        sb.append(l).append('\n');
    out.close();
    is.close();
    if (conn != null)
        conn.disconnect();
    return sb.toString();
}

---

From source file:com.gmt2001.HttpRequest.java

public static HttpResponse getData(RequestType type, String url, String post, HashMap<String, String> headers) {
    Thread.setDefaultUncaughtExceptionHandler(com.gmt2001.UncaughtExceptionHandler.instance());

    HttpResponse r = new HttpResponse();

    r.type = type;//from   ww w .  j  av a2s .  c o m
    r.url = url;
    r.post = post;
    r.headers = headers;

    try {
        URL u = new URL(url);

        HttpURLConnection h = (HttpURLConnection) u.openConnection();

        for (Entry<String, String> e : headers.entrySet()) {
            h.addRequestProperty(e.getKey(), e.getValue());
        }

        h.setRequestMethod(type.name());
        h.setUseCaches(false);
        h.setDefaultUseCaches(false);
        h.setConnectTimeout(timeout);
        h.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.52 Safari/537.36 PhantomBotJ/2015");
        if (!post.isEmpty()) {
            h.setDoOutput(true);
        }

        h.connect();

        if (!post.isEmpty()) {
            BufferedOutputStream stream = new BufferedOutputStream(h.getOutputStream());
            stream.write(post.getBytes());
            stream.flush();
            stream.close();
        }

        if (h.getResponseCode() < 400) {
            r.content = IOUtils.toString(new BufferedInputStream(h.getInputStream()), h.getContentEncoding());
            r.httpCode = h.getResponseCode();
            r.success = true;
        } else {
            r.content = IOUtils.toString(new BufferedInputStream(h.getErrorStream()), h.getContentEncoding());
            r.httpCode = h.getResponseCode();
            r.success = false;
        }
    } catch (IOException ex) {
        r.success = false;
        r.httpCode = 0;
        r.exception = ex.getMessage();

        com.gmt2001.Console.err.printStackTrace(ex);
    }

    return r;
}

---

From source file:com.markuspage.jbinrepoproxy.standalone.transport.sun.URLConnectionTransportClientImpl.java

@Override
public TransportFetch httpGetOtherFile(String uri) {
    TransportFetch result;// w  ww . ja  va2 s  . c  o m
    try {
        final URL url = new URL(serverURL + uri);

        final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setAllowUserInteraction(false);
        final int responseCode = conn.getResponseCode();
        final String responseMessage = conn.getResponseMessage();
        InputStream responseIn = conn.getErrorStream();
        if (responseIn == null) {
            responseIn = conn.getInputStream();
        }

        // Read the body to the output if OK otherwise to the error message
        final byte[] body = IOUtils.toByteArray(responseIn);

        result = new TransportFetch(responseCode, responseMessage, body);
    } catch (MalformedURLException ex) {
        LOG.error("Malformed URL", ex);
        result = new TransportFetch(500, ex.getLocalizedMessage(), null);
    } catch (IOException ex) {
        LOG.error("IO error", ex);
        result = new TransportFetch(500, ex.getLocalizedMessage(), null);
    }

    return result;
}

---

From source file:com.markuspage.jbinrepoproxy.standalone.transport.sun.URLConnectionTransportClientImpl.java

@Override
public TransportFetch httpGetTheFile() {
    TransportFetch result;//  w ww.  j  a  v a  2  s . c om
    try {
        final URL url = new URL(serverURL + theFileURI);

        final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setAllowUserInteraction(false);
        final int responseCode = conn.getResponseCode();
        final String responseMessage = conn.getResponseMessage();
        InputStream responseIn = conn.getErrorStream();
        if (responseIn == null) {
            responseIn = conn.getInputStream();
        }

        // Read the body to the output if OK otherwise to the error message
        final byte[] body = IOUtils.toByteArray(responseIn);

        this.targetResponse = new TargetResponse(responseCode, conn.getHeaderFields(), body);

        result = new TransportFetch(responseCode, responseMessage, body);
    } catch (MalformedURLException ex) {
        LOG.error("Malformed URL", ex);
        result = new TransportFetch(500, ex.getLocalizedMessage(), null);
    } catch (IOException ex) {
        LOG.error("IO error", ex);
        result = new TransportFetch(500, ex.getLocalizedMessage(), null);
    }

    return result;
}

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From source file:org.jboss.aerogear.android.impl.http.HttpRestProviderTest.java

@Test(expected = HttpException.class)
public void testGetFailsWith404() throws Exception {
    HttpURLConnection connection404 = mock(HttpURLConnection.class);

    doReturn(HttpStatus.SC_NOT_FOUND).when(connection404).getResponseCode();
    when(connection404.getErrorStream()).thenReturn(new ByteArrayInputStream(RESPONSE_DATA));

    HttpRestProvider provider = new HttpRestProvider(SIMPLE_URL);
    setPrivateField(provider, "connectionPreparer", new HttpUrlConnectionProvider(connection404));

    try {//from  w w w .j a  v  a  2  s.  c o  m
        provider.get();
    } catch (HttpException exception) {
        assertArrayEquals(RESPONSE_DATA, exception.getData());
        assertEquals(HttpStatus.SC_NOT_FOUND, exception.getStatusCode());
        throw exception;
    }
}

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From source file:org.apache.hadoop.hive.ql.exec.tez.YarnQueueHelper.java

public String handleUnexpectedStatusCode(HttpURLConnection connection, int statusCode, String errorStr)
        throws IOException {
    // We do no handle anything but OK for now. Again, we need a real client for this API.
    // TODO: handle 401 and return a new connection? nothing for now
    InputStream errorStream = connection.getErrorStream();
    String error = "Received " + statusCode + (errorStr == null ? "" : (" (" + errorStr + ")"));
    if (errorStream != null) {
        error += ": " + IOUtils.toString(errorStream);
    } else {/*from   w w w.ja va 2s .  c  o  m*/
        errorStream = connection.getInputStream();
        if (errorStream != null) {
            error += ": " + IOUtils.toString(errorStream);
        }
    }
    return error;
}

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From source file:com.cloudbees.mtslaves.client.RemoteReference.java

protected void verifyResponseStatus(HttpURLConnection con) throws IOException {
    if (con.getResponseCode() / 100 != 2) {
        String msg = "Failed to call " + con.getURL() + " : " + con.getResponseCode() + ' '
                + con.getResponseMessage();
        InputStream es = con.getErrorStream();

        String ct = con.getContentType();
        if (ct != null) {
            HttpHeader contentType = HttpHeader.parse(ct);
            if (contentType.value.equals("application/json")) {
                // if the error is JSON, parse it
                if (es != null) {
                    JSONObject error = JSONObject
                            .fromObject(IOUtils.toString(es, contentType.getSubHeader("charset", "UTF-8")));
                    throw new ServerException(msg, error, con.getResponseCode(), con.getResponseMessage(),
                            con.getURL());
                }// w  ww .  java 2s  . c o m
            }
        }

        if (es != null)
            msg += "\n" + IOUtils.toString(es);
        throw new IOException(msg);
    }
}

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