Java NonRepeatableRequestException类代码示例

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
@Test(expected=ClientProtocolException.class)
public void testBasicAuthenticationFailureOnNonRepeatablePost() throws Exception {
    this.serverBootstrap.registerHandler("*", new AuthHandler());

    final HttpHost target = start();

    final HttpPost httppost = new HttpPost("/");
    httppost.setEntity(new InputStreamEntity(
            new ByteArrayInputStream(
                    new byte[] { 0,1,2,3,4,5,6,7,8,9 }), -1));

    final HttpClientContext context = HttpClientContext.create();
    final TestCredentialsProvider credsProvider = new TestCredentialsProvider(
            new UsernamePasswordCredentials("test", "test"));
    context.setCredentialsProvider(credsProvider);

    try {
        this.httpclient.execute(target, httppost, context);
        Assert.fail("ClientProtocolException should have been thrown");
    } catch (final ClientProtocolException ex) {
        final Throwable cause = ex.getCause();
        Assert.assertNotNull(cause);
        Assert.assertTrue(cause instanceof NonRepeatableRequestException);
        throw ex;
    }
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
@Test(expected=ClientProtocolException.class)
public void testBasicAuthenticationFailureOnNonRepeatablePutDontExpectContinue() throws Exception {
    this.serverBootstrap.registerHandler("*", new AuthHandler());

    final HttpHost target = start();

    final RequestConfig config = RequestConfig.custom().setExpectContinueEnabled(true).build();
    final HttpPut httpput = new HttpPut("/");
    httpput.setConfig(config);
    httpput.setEntity(new InputStreamEntity(
            new ByteArrayInputStream(
                    new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 } ),
                    -1));

    final HttpClientContext context = HttpClientContext.create();
    final TestCredentialsProvider credsProvider = new TestCredentialsProvider(
            new UsernamePasswordCredentials("test", "boom"));
    context.setCredentialsProvider(credsProvider);

    try {
        this.httpclient.execute(target, httpput, context);
        Assert.fail("ClientProtocolException should have been thrown");
    } catch (final ClientProtocolException ex) {
        final Throwable cause = ex.getCause();
        Assert.assertNotNull(cause);
        Assert.assertTrue(cause instanceof NonRepeatableRequestException);
        throw ex;
    }
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
/**
 * Execute request and retry in case of a recoverable I/O failure
 */
private HttpResponse tryExecute(
        final RoutedRequest req, final HttpContext context) throws HttpException, IOException {
    RequestWrapper wrapper = req.getRequest();
    HttpRoute route = req.getRoute();
    HttpResponse response = null;

    Exception retryReason = null;
    for (;;) {
        // Increment total exec count (with redirects)
        execCount++;
        // Increment exec count for this particular request
        wrapper.incrementExecCount();
        if (!wrapper.isRepeatable()) {
            this.log.debug("Cannot retry non-repeatable request");
            if (retryReason != null) {
                throw new NonRepeatableRequestException("Cannot retry request " +
                    "with a non-repeatable request entity.  The cause lists the " +
                    "reason the original request failed.", retryReason);
            } else {
                throw new NonRepeatableRequestException("Cannot retry request " +
                        "with a non-repeatable request entity.");
            }
        }

        try {
            if (!managedConn.isOpen()) {
                // If we have a direct route to the target host
                // just re-open connection and re-try the request
                if (!route.isTunnelled()) {
                    this.log.debug("Reopening the direct connection.");
                    managedConn.open(route, context, params);
                } else {
                    // otherwise give up
                    this.log.debug("Proxied connection. Need to start over.");
                    break;
                }
            }

            if (this.log.isDebugEnabled()) {
                this.log.debug("Attempt " + execCount + " to execute request");
            }
            response = requestExec.execute(wrapper, managedConn, context);
            break;

        } catch (IOException ex) {
            this.log.debug("Closing the connection.");
            try {
                managedConn.close();
            } catch (IOException ignore) {
            }
            if (retryHandler.retryRequest(ex, wrapper.getExecCount(), context)) {
                if (this.log.isInfoEnabled()) {
                    this.log.info("I/O exception ("+ ex.getClass().getName() +
                            ") caught when processing request: "
                            + ex.getMessage());
                }
                if (this.log.isDebugEnabled()) {
                    this.log.debug(ex.getMessage(), ex);
                }
                this.log.info("Retrying request");
                retryReason = ex;
            } else {
                throw ex;
            }
        }
    }
    return response;
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
public CloseableHttpResponse execute(
        final HttpRoute route,
        final HttpRequestWrapper request,
        final HttpClientContext context,
        final HttpExecutionAware execAware) throws IOException, HttpException {
    Args.notNull(route, "HTTP route");
    Args.notNull(request, "HTTP request");
    Args.notNull(context, "HTTP context");
    final Header[] origheaders = request.getAllHeaders();
    for (int execCount = 1;; execCount++) {
        try {
            return this.requestExecutor.execute(route, request, context, execAware);
        } catch (final IOException ex) {
            if (execAware != null && execAware.isAborted()) {
                if (Log.isLoggable(TAG, Log.DEBUG)) {
                    Log.d(TAG, "Request has been aborted");
                }
                throw ex;
            }
            if (retryHandler.retryRequest(ex, execCount, context)) {
                if (Log.isLoggable(TAG, Log.INFO)) {
                    Log.i(TAG, "I/O exception ("+ ex.getClass().getName() +
                            ") caught when processing request to "
                            + route +
                            ": "
                            + ex.getMessage());
                }
                if (Log.isLoggable(TAG, Log.DEBUG)) {
                    Log.d(TAG, ex.getMessage(), ex);
                }
                if (!RequestEntityProxy.isRepeatable(request)) {
                    if (Log.isLoggable(TAG, Log.DEBUG)) {
                        Log.d(TAG, "Cannot retry non-repeatable request");
                    }
                    final NonRepeatableRequestException nreex = new NonRepeatableRequestException(
                            "Cannot retry request with a non-repeatable request entity");
                    nreex.initCause(ex);
                }
                request.setHeaders(origheaders);
                if (Log.isLoggable(TAG, Log.INFO)) {
                    Log.i(TAG, "Retrying request to " + route);
                }
            } else {
                if (ex instanceof NoHttpResponseException) {
                    final NoHttpResponseException updatedex = new NoHttpResponseException(
                            route.getTargetHost().toHostString() + " failed to respond");
                    updatedex.setStackTrace(ex.getStackTrace());
                    throw updatedex;
                } else {
                    throw ex;
                }
            }
        }
    }
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
@Override
public CloseableHttpResponse execute(
        final HttpRoute route,
        final HttpRequestWrapper request,
        final HttpClientContext context,
        final HttpExecutionAware execAware) throws IOException, HttpException {
    Args.notNull(route, "HTTP route");
    Args.notNull(request, "HTTP request");
    Args.notNull(context, "HTTP context");
    final Header[] origheaders = request.getAllHeaders();
    for (int execCount = 1;; execCount++) {
        try {
            return this.requestExecutor.execute(route, request, context, execAware);
        } catch (final IOException ex) {
            if (execAware != null && execAware.isAborted()) {
                this.log.debug("Request has been aborted");
                throw ex;
            }
            if (retryHandler.retryRequest(ex, execCount, context)) {
                if (this.log.isInfoEnabled()) {
                    this.log.info("I/O exception ("+ ex.getClass().getName() +
                            ") caught when processing request to "
                            + route +
                            ": "
                            + ex.getMessage());
                }
                if (this.log.isDebugEnabled()) {
                    this.log.debug(ex.getMessage(), ex);
                }
                if (!RequestEntityProxy.isRepeatable(request)) {
                    this.log.debug("Cannot retry non-repeatable request");
                    throw new NonRepeatableRequestException("Cannot retry request " +
                            "with a non-repeatable request entity", ex);
                }
                request.setHeaders(origheaders);
                if (this.log.isInfoEnabled()) {
                    this.log.info("Retrying request to " + route);
                }
            } else {
                if (ex instanceof NoHttpResponseException) {
                    final NoHttpResponseException updatedex = new NoHttpResponseException(
                            route.getTargetHost().toHostString() + " failed to respond");
                    updatedex.setStackTrace(ex.getStackTrace());
                    throw updatedex;
                } else {
                    throw ex;
                }
            }
        }
    }
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
@Test(expected = NonRepeatableRequestException.class)
public void testExecEntityEnclosingRequest() throws Exception {
    final HttpRoute route = new HttpRoute(target);
    final HttpClientContext context = new HttpClientContext();
    final HttpPost post = new HttpPost("http://bar/test");
    final InputStream instream0 = new ByteArrayInputStream(new byte[] {1, 2, 3});
    post.setEntity(EntityBuilder.create()
            .setStream(instream0)
            .build());
    final HttpRequestWrapper request = HttpRequestWrapper.wrap(post);

    final HttpResponse response1 = new BasicHttpResponse(HttpVersion.HTTP_1_1, 401, "Huh?");
    final InputStream instream1 = new ByteArrayInputStream(new byte[] {1, 2, 3});
    response1.setEntity(EntityBuilder.create()
            .setStream(instream1)
            .build());

    Mockito.when(managedConn.isOpen()).thenReturn(Boolean.TRUE);
    Mockito.when(managedConn.isStale()).thenReturn(Boolean.FALSE);
    Mockito.when(requestExecutor.execute(
            Mockito.same(request),
            Mockito.<HttpClientConnection>any(),
            Mockito.<HttpClientContext>any())).thenAnswer(new Answer<HttpResponse>() {

        @Override
        public HttpResponse answer(final InvocationOnMock invocationOnMock) throws Throwable {
            final Object[] args = invocationOnMock.getArguments();
            final HttpEntityEnclosingRequest requestEE = (HttpEntityEnclosingRequest) args[0];
            requestEE.getEntity().writeTo(new ByteArrayOutputStream());
            return response1;
        }

    });
    Mockito.when(reuseStrategy.keepAlive(
            Mockito.<HttpResponse>any(),
            Mockito.<HttpClientContext>any())).thenReturn(Boolean.TRUE);
    Mockito.when(targetAuthStrategy.isAuthenticationRequested(
            Mockito.eq(target),
            Mockito.same(response1),
            Mockito.<HttpClientContext>any())).thenReturn(Boolean.TRUE);

    mainClientExec.execute(route, request, context, execAware);
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
@Test(expected = NonRepeatableRequestException.class)
public void testNonRepeatableRequest() throws Exception {
    final HttpRoute route = new HttpRoute(target);
    final HttpPost post = new HttpPost("/test");
    post.setEntity(EntityBuilder.create()
            .setStream(new ByteArrayInputStream(new byte[]{}))
            .build());
    final HttpRequestWrapper request = HttpRequestWrapper.wrap(post);
    final HttpClientContext context = HttpClientContext.create();

    Mockito.when(requestExecutor.execute(
            Mockito.eq(route),
            Mockito.same(request),
            Mockito.<HttpClientContext>any(),
            Mockito.<HttpExecutionAware>any())).thenAnswer(new Answer<Object>() {

        @Override
        public Object answer(final InvocationOnMock invocationOnMock) throws Throwable {
            final Object[] args = invocationOnMock.getArguments();
            final HttpEntityEnclosingRequest req = (HttpEntityEnclosingRequest) args[1];
            req.getEntity().writeTo(new ByteArrayOutputStream());
            throw new IOException("Ka-boom");
        }

    });
    Mockito.when(retryHandler.retryRequest(
            Mockito.<IOException>any(),
            Mockito.eq(1),
            Mockito.<HttpContext>any())).thenReturn(Boolean.TRUE);
    try {
        retryExec.execute(route, request, context, execAware);
    } catch (final IOException ex) {
        Mockito.verify(requestExecutor, Mockito.times(1)).execute(
                Mockito.eq(route),
                Mockito.same(request),
                Mockito.same(context),
                Mockito.same(execAware));

        throw ex;
    }
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
/**
 * Execute request and retry in case of a recoverable I/O failure
 */
private HttpResponse tryExecute(
        final RoutedRequest req, final HttpContext context) throws HttpException, IOException {
    RequestWrapper wrapper = req.getRequest();
    HttpRoute route = req.getRoute();
    HttpResponse response = null;

    Exception retryReason = null;
    for (;;) {
        // Increment total exec count (with redirects)
        execCount++;
        // Increment exec count for this particular request
        wrapper.incrementExecCount();
        if (!wrapper.isRepeatable()) {
        	
            if (retryReason != null) {
                throw new NonRepeatableRequestException("Cannot retry request " +
                    "with a non-repeatable request entity.  The cause lists the " +
                    "reason the original request failed." + retryReason);
            } else {
                throw new NonRepeatableRequestException("Cannot retry request " +
                        "with a non-repeatable request entity.");
            }
        }

        try {
            if (!managedConn.isOpen()) {
                // If we have a direct route to the target host
                // just re-open connection and re-try the request
                if (!route.isTunnelled()) {
                	if (DEBUG) {
                		Logger.debug("Reopening the direct connection.");
                	}
                    managedConn.open(route, context, params);
                } else {
                    // otherwise give up
                	if (DEBUG) {
                		Logger.debug("Proxied connection. Need to start over.");
                	}
                    break;
                }
            }

            response = requestExec.execute(wrapper, managedConn, context);
            break;

        } catch (IOException ex) {
            try {
                managedConn.close();
            } catch (IOException ignore) {
            }
            if (retryHandler.retryRequest(ex, wrapper.getExecCount(), context)) {
                retryReason = ex;
            } else {
                throw ex;
            }
        }
    }
    return response;
}
 

import org.apache.http.client.NonRepeatableRequestException; //导入依赖的package包/类
/**
 * Execute request and retry in case of a recoverable I/O failure
 */
private HttpResponse tryExecute(
        final RoutedRequest req, final HttpContext context) throws HttpException, IOException {
    RequestWrapper wrapper = req.getRequest();
    HttpRoute route = req.getRoute();
    HttpResponse response = null;

    Exception retryReason = null;
    for (;;) {
        // Increment total exec count (with redirects)
        execCount++;
        // Increment exec count for this particular request
        wrapper.incrementExecCount();
        if (!wrapper.isRepeatable()) {
        	if (Constants.DEBUG) {
        		logger.debug("Cannot retry non-repeatable request");
        	}
            if (retryReason != null) {
                throw new NonRepeatableRequestException("Cannot retry request " +
                    "with a non-repeatable request entity.  The cause lists the " +
                    "reason the original request failed." + retryReason);
            } else {
                throw new NonRepeatableRequestException("Cannot retry request " +
                        "with a non-repeatable request entity.");
            }
        }

        try {
            if (!managedConn.isOpen()) {
                // If we have a direct route to the target host
                // just re-open connection and re-try the request
                if (!route.isTunnelled()) {
                	if (Constants.DEBUG) {
                		logger.debug("Reopening the direct connection.");
                	}
                    managedConn.open(route, context, params);
                } else {
                    // otherwise give up
                	if (Constants.DEBUG) {
                		logger.debug("Proxied connection. Need to start over.");
                	}
                    break;
                }
            }

            if (Constants.DEBUG) {
            	logger.debug("Attempt {} to execute request", execCount);
            }
            response = requestExec.execute(wrapper, managedConn, context);
            break;

        } catch (IOException ex) {
        	if (Constants.DEBUG) {
        		logger.debug("Closing the connection.");
        	}
            try {
                managedConn.close();
            } catch (IOException ignore) {
            }
            if (retryHandler.retryRequest(ex, wrapper.getExecCount(), context)) {
            	if (Constants.DEBUG) {
            		logger.debug("I/O exception ({}) caught when processing request: {}",
            				ex.getClass().getName(), ex.getMessage());
            		logger.debug(ex.getMessage(), ex);
            		logger.debug("Retrying request");
                }
                retryReason = ex;
            } else {
                throw ex;
            }
        }
    }
    return response;
}