Examples with HttpRequestRetryHandler org.apache.http.client.HttpRequestRetryHandler used on opensource projects

Example 1 with HttpRequestRetryHandler

use of org.apache.http.client.HttpRequestRetryHandler in project dropwizard by dropwizard.

the class HttpClientBuilderTest method usesACustomHttpRequestRetryHandler.

@Test
public void usesACustomHttpRequestRetryHandler() throws Exception {
    final HttpRequestRetryHandler customHandler = (exception, executionCount, context) -> false;
    configuration.setRetries(1);
    assertThat(builder.using(configuration).using(customHandler).createClient(apacheBuilder, connectionManager, "test")).isNotNull();
    assertThat(spyHttpClientBuilderField("retryHandler", apacheBuilder)).isSameAs(customHandler);
}

Example 2 with HttpRequestRetryHandler

use of org.apache.http.client.HttpRequestRetryHandler in project Libraries-for-Android-Developers by eoecn.

the class AsyncHttpRequest method makeRequestWithRetries.

private void makeRequestWithRetries() throws IOException {
    boolean retry = true;
    IOException cause = null;
    HttpRequestRetryHandler retryHandler = client.getHttpRequestRetryHandler();
    try {
        while (retry) {
            try {
                makeRequest();
                return;
            } catch (UnknownHostException e) {
                // switching between WI-FI and mobile data networks can cause a retry which then results in an UnknownHostException
                // while the WI-FI is initialising. The retry logic will be invoked here, if this is NOT the first retry
                // (to assist in genuine cases of unknown host) which seems better than outright failure
                cause = new IOException("UnknownHostException exception: " + e.getMessage());
                retry = (executionCount > 0) && retryHandler.retryRequest(cause, ++executionCount, context);
            } catch (NullPointerException e) {
                // 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);
            } catch (IOException e) {
                if (isCancelled()) {
                    // Eating exception, as the request was cancelled
                    return;
                }
                cause = e;
                retry = retryHandler.retryRequest(cause, ++executionCount, context);
            }
            if (retry && (responseHandler != null)) {
                responseHandler.sendRetryMessage(executionCount);
            }
        }
    } catch (Exception e) {
        // catch anything else to ensure failure message is propagated
        Log.e("AsyncHttpRequest", "Unhandled exception origin cause", e);
        cause = new IOException("Unhandled exception: " + e.getMessage());
    }
    // cleaned up to throw IOException
    throw (cause);
}

Example 3 with HttpRequestRetryHandler

use of org.apache.http.client.HttpRequestRetryHandler in project openkit-android by OpenKit.

the class AsyncHttpRequest method makeRequestWithRetries.

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;
    HttpRequestRetryHandler retryHandler = client.getHttpRequestRetryHandler();
    while (retry) {
        try {
            makeRequest();
            return;
        } catch (UnknownHostException e) {
            if (responseHandler != null) {
                responseHandler.sendFailureMessage(e, "can't resolve host");
            }
            return;
        } catch (SocketException e) {
            // Added to detect host unreachable
            if (responseHandler != null) {
                responseHandler.sendFailureMessage(e, "can't resolve host");
            }
            return;
        } catch (SocketTimeoutException e) {
            if (responseHandler != null) {
                responseHandler.sendFailureMessage(e, "socket time out");
            }
            return;
        } catch (IOException e) {
            cause = e;
            retry = retryHandler.retryRequest(cause, ++executionCount, context);
        } catch (NullPointerException e) {
            // 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;
}

Example 4 with HttpRequestRetryHandler

use of org.apache.http.client.HttpRequestRetryHandler in project jersey by jersey.

the class RetryHandlerTest method testRetryGet.

@Test
public void testRetryGet() throws IOException {
    ClientConfig cc = new ClientConfig();
    cc.connectorProvider(new ApacheConnectorProvider());
    cc.property(ApacheClientProperties.RETRY_HANDLER, (HttpRequestRetryHandler) (exception, executionCount, context) -> true);
    cc.property(ClientProperties.READ_TIMEOUT, READ_TIMEOUT_MS);
    Client client = ClientBuilder.newClient(cc);
    WebTarget r = client.target(getBaseUri());
    assertEquals("GET", r.request().get(String.class));
}

Example 5 with HttpRequestRetryHandler

use of org.apache.http.client.HttpRequestRetryHandler in project afinal by yangfuhai.

the class SyncRequestHandler method makeRequestWithRetries.

private Object makeRequestWithRetries(HttpUriRequest request) throws IOException {
    boolean retry = true;
    IOException cause = null;
    HttpRequestRetryHandler retryHandler = client.getHttpRequestRetryHandler();
    while (retry) {
        try {
            HttpResponse response = client.execute(request, context);
            return entityHandler.handleEntity(response.getEntity(), null, charset);
        } catch (UnknownHostException e) {
            cause = e;
            retry = retryHandler.retryRequest(cause, ++executionCount, context);
        } catch (IOException e) {
            cause = e;
            retry = retryHandler.retryRequest(cause, ++executionCount, context);
        } catch (NullPointerException e) {
            // HttpClient 4.0.x 之前的一个bug
            // http://code.google.com/p/android/issues/detail?id=5255
            cause = new IOException("NPE in HttpClient" + e.getMessage());
            retry = retryHandler.retryRequest(cause, ++executionCount, context);
        } catch (Exception e) {
            cause = new IOException("Exception" + e.getMessage());
            retry = retryHandler.retryRequest(cause, ++executionCount, context);
        }
    }
    if (cause != null)
        throw cause;
    else
        throw new IOException("未知网络错误");
}