Source:Apache HttpClient Interim Error: NoHttpResponseException
public Synchronized class service(ServletRequest request,ServletResponse response)throws ServletException,IOException
Best Selenium code snippet using org.openqa.selenium.remote.http.RetryRequest
Source:LocalNewSessionQueue.java
1// Licensed to the Software Freedom Conservancy (SFC) under one2// or more contributor license agreements. See the NOTICE file3// distributed with this work for additional information4// regarding copyright ownership. The SFC licenses this file5// to you under the Apache License, Version 2.0 (the6// "License"); you may not use this file except in compliance7// with the License. You may obtain a copy of the License at8//9// http://www.apache.org/licenses/LICENSE-2.010//11// Unless required by applicable law or agreed to in writing,12// software distributed under the License is distributed on an13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY14// KIND, either express or implied. See the License for the15// specific language governing permissions and limitations16// under the License.17package org.openqa.selenium.grid.sessionqueue.local;18import org.openqa.selenium.events.EventBus;19import org.openqa.selenium.grid.config.Config;20import org.openqa.selenium.grid.data.NewSessionErrorResponse;21import org.openqa.selenium.grid.data.NewSessionRejectedEvent;22import org.openqa.selenium.grid.data.NewSessionRequestEvent;23import org.openqa.selenium.grid.data.RequestId;24import org.openqa.selenium.grid.log.LoggingOptions;25import org.openqa.selenium.grid.server.EventBusOptions;26import org.openqa.selenium.grid.sessionqueue.NewSessionQueue;27import org.openqa.selenium.grid.sessionqueue.config.NewSessionQueueOptions;28import org.openqa.selenium.internal.Require;29import org.openqa.selenium.remote.http.HttpRequest;30import org.openqa.selenium.remote.http.HttpResponse;31import org.openqa.selenium.remote.tracing.AttributeKey;32import org.openqa.selenium.remote.tracing.EventAttribute;33import org.openqa.selenium.remote.tracing.EventAttributeValue;34import org.openqa.selenium.remote.tracing.Span;35import org.openqa.selenium.remote.tracing.Tracer;36import java.time.Duration;37import java.util.Deque;38import java.util.HashMap;39import java.util.Map;40import java.util.Optional;41import java.util.UUID;42import java.util.concurrent.ConcurrentLinkedDeque;43import java.util.concurrent.Executors;44import java.util.concurrent.ScheduledExecutorService;45import java.util.concurrent.TimeUnit;46import java.util.concurrent.locks.Lock;47import java.util.concurrent.locks.ReadWriteLock;48import java.util.concurrent.locks.ReentrantReadWriteLock;49import java.util.logging.Level;50import java.util.logging.Logger;51public class LocalNewSessionQueue extends NewSessionQueue {52 private static final Logger LOG = Logger.getLogger(LocalNewSessionQueue.class.getName());53 private final EventBus bus;54 private final Deque<HttpRequest> sessionRequests = new ConcurrentLinkedDeque<>();55 private final ReadWriteLock lock = new ReentrantReadWriteLock(true);56 private final ScheduledExecutorService executorService = Executors57 .newSingleThreadScheduledExecutor();58 private final Thread shutdownHook = new Thread(this::callExecutorShutdown);59 public LocalNewSessionQueue(Tracer tracer, EventBus bus, Duration retryInterval,60 Duration requestTimeout) {61 super(tracer, retryInterval, requestTimeout);62 this.bus = Require.nonNull("Event bus", bus);63 Runtime.getRuntime().addShutdownHook(shutdownHook);64 }65 public static NewSessionQueue create(Config config) {66 Tracer tracer = new LoggingOptions(config).getTracer();67 EventBus bus = new EventBusOptions(config).getEventBus();68 Duration retryInterval = new NewSessionQueueOptions(config).getSessionRequestRetryInterval();69 Duration requestTimeout = new NewSessionQueueOptions(config).getSessionRequestTimeout();70 return new LocalNewSessionQueue(tracer, bus, retryInterval, requestTimeout);71 }72 @Override73 public boolean isReady() {74 return bus.isReady();75 }76 @Override77 public boolean offerLast(HttpRequest request, RequestId requestId) {78 Require.nonNull("New Session request", request);79 Span span = tracer.getCurrentContext().createSpan("local_sessionqueue.add");80 boolean added = false;81 Lock writeLock = lock.writeLock();82 writeLock.lock();83 try {84 Map<String, EventAttributeValue> attributeMap = new HashMap<>();85 attributeMap.put(AttributeKey.LOGGER_CLASS.getKey(),86 EventAttribute.setValue(getClass().getName()));87 added = sessionRequests.offerLast(request);88 addRequestHeaders(request, requestId);89 attributeMap90 .put(AttributeKey.REQUEST_ID.getKey(), EventAttribute.setValue(requestId.toString()));91 attributeMap.put("request.added", EventAttribute.setValue(added));92 span.addEvent("Add new session request to the queue", attributeMap);93 return added;94 } finally {95 writeLock.unlock();96 span.close();97 if (added) {98 bus.fire(new NewSessionRequestEvent(requestId));99 }100 }101 }102 @Override103 public boolean offerFirst(HttpRequest request, RequestId requestId) {104 Require.nonNull("New Session request", request);105 Lock writeLock = lock.writeLock();106 writeLock.lock();107 boolean added = false;108 try {109 added = sessionRequests.offerFirst(request);110 return added;111 } finally {112 writeLock.unlock();113 if (added) {114 executorService.schedule(() -> retryRequest(request, requestId),115 super.retryInterval.getSeconds(), TimeUnit.SECONDS);116 }117 }118 }119 private void retryRequest(HttpRequest request, RequestId requestId) {120 if (hasRequestTimedOut(request)) {121 LOG.log(Level.INFO, "Request {0} timed out", requestId);122 Lock writeLock = lock.writeLock();123 writeLock.lock();124 try {125 sessionRequests.remove();126 } finally {127 writeLock.unlock();128 bus.fire(new NewSessionRejectedEvent(129 new NewSessionErrorResponse(requestId, "New session request timed out")));130 }131 } else {132 LOG.log(Level.INFO,133 "Adding request back to the queue. All slots are busy. Request: {0}",134 requestId);135 bus.fire(new NewSessionRequestEvent(requestId));136 }137 }138 @Override139 public Optional<HttpRequest> poll() {140 Lock writeLock = lock.writeLock();141 writeLock.lock();142 try {143 Optional<HttpRequest> request = Optional.ofNullable(sessionRequests.poll());144 if (request.isPresent()) {145 HttpRequest httpRequest = request.get();146 if (hasRequestTimedOut(httpRequest)) {147 // TODO Fire NewSessionRejectedEvent with timeout message once request id is passed to poll148 return Optional.empty();149 }150 return Optional.of(httpRequest);151 } else {152 return Optional.empty();153 }154 } finally {155 writeLock.unlock();156 }157 }158 @Override159 public int clear() {160 Lock writeLock = lock.writeLock();161 writeLock.lock();162 try {163 int count = 0;164 LOG.info("Clearing new session request queue");165 for (HttpRequest request = sessionRequests.poll(); request != null;166 request = sessionRequests.poll()) {167 count++;168 UUID reqId = UUID.fromString(request.getHeader(SESSIONREQUEST_ID_HEADER));169 NewSessionErrorResponse errorResponse =170 new NewSessionErrorResponse(new RequestId(reqId), "New session request cancelled.");171 bus.fire(new NewSessionRejectedEvent(errorResponse));172 }173 return count;174 } finally {175 writeLock.unlock();176 }177 }178 public void callExecutorShutdown() {179 LOG.info("Shutting down session queue executor service");180 executorService.shutdown();181 }182}...
RetryRequest
Using AI Code Generation
1import org.openqa.selenium.remote.http.*;2import org.openqa.selenium.remote.http.HttpClient;3import org.openqa.selenium.remote.http.HttpRequest;4import org.openqa.selenium.remote.http.HttpResponse;5import java.io.IOException;6import java.net.URL;7import java.util.concurrent.TimeUnit;8public class RetryRequest {9 public static void main(String[] args) throws IOException {10 HttpClient client = new HttpClient();11 client = client.add(new RetryRequestFilter(3, 10, TimeUnit.SECONDS));12 System.out.println(response.getStatus());13 }14 public static class RetryRequestFilter implements HttpRequestFilter {15 private final int maxRetries;16 private final int retryDelay;17 private final TimeUnit timeUnit;18 public RetryRequestFilter(int maxRetries, int retryDelay, TimeUnit timeUnit) {19 this.maxRetries = maxRetries;20 this.retryDelay = retryDelay;21 this.timeUnit = timeUnit;22 }23 public void filter(HttpRequest request, HttpMessageContents messageContents, HttpMessageInfo messageInfo) {24 if (messageInfo.getRetryCount() >= maxRetries) {25 return;26 }27 if (messageInfo.getResponseCode() == 500 || messageInfo.getResponseCode() == 503) {28 try {29 timeUnit.sleep(retryDelay);30 } catch (InterruptedException e) {31 throw new RuntimeException(e);32 }33 messageInfo.markAsRetriable();34 }35 }36 }37}
RetryRequest
Using AI Code Generation
1public class RetryRequest extends HttpHandler {2 private final HttpHandler next;3 private final int maxRetries;4 private final int retryInterval;5 public RetryRequest(HttpHandler next, int maxRetries, int retryInterval) {6 this.next = next;7 this.maxRetries = maxRetries;8 this.retryInterval = retryInterval;9 }10 public HttpResponse execute(HttpRequest req) throws IOException {11 int retries = 0;12 IOException lastException = null;13 while (retries++ < maxRetries) {14 try {15 return next.execute(req);16 } catch (IOException e) {17 lastException = e;18 try {19 Thread.sleep(retryInterval);20 } catch (InterruptedException ie) {21 }22 }23 }24 throw lastException;25 }26}27public class RetryRequest extends HttpHandler {28 private final HttpHandler next;29 private final int maxRetries;30 private final int retryInterval;31 public RetryRequest(HttpHandler next, int maxRetries, int retryInterval) {32 this.next = next;33 this.maxRetries = maxRetries;34 this.retryInterval = retryInterval;35 }36 public HttpResponse execute(HttpRequest req) throws IOException {37 int retries = 0;38 IOException lastException = null;39 while (retries++ < maxRetries) {40 try {41 return next.execute(req);42 } catch (IOException e) {43 lastException = e;44 try {45 Thread.sleep(retryInterval);46 } catch (InterruptedException ie) {47 }48 }49 }50 throw lastException;51 }52}
RetryRequest
Using AI Code Generation
1import org.openqa.selenium.remote.http.HttpClient;2import org.openqa.selenium.remote.http.HttpRequest;3import org.openqa.selenium.remote.http.HttpResponse;4import org.openqa.selenium.remote.http.HttpResponse;5import java.io.IOException;6import java.util.function.Predicate;7public class RetryRequest {8 private final HttpClient client;9 private final Predicate<HttpResponse> shouldRetry;10 private final int maxAttempts;11 private final long retryInterval;12 public RetryRequest(HttpClient client, Predicate<HttpResponse> shouldRetry, int maxAttempts, long retryInterval) {13 this.client = client;14 this.shouldRetry = shouldRetry;15 this.maxAttempts = maxAttempts;16 this.retryInterval = retryInterval;17 }18 public HttpResponse execute(HttpRequest request) throws IOException {19 int attempt = 0;20 while (true) {21 attempt++;22 HttpResponse response = client.execute(request);23 if (!shouldRetry.test(response)) {24 return response;25 }26 if (attempt >= maxAttempts) {27 break;28 }29 try {30 Thread.sleep(retryInterval);31 } catch (InterruptedException e) {32 }33 }34 throw new IOException("Request failed after retrying " + maxAttempts + " times");35 }36}37import org.openqa.selenium.remote.http.HttpClient;38import org.openqa.selenium.remote.http.HttpRequest;39import org.openqa.selenium.remote.http.HttpResponse;40import org.openqa.selenium.remote.http.HttpResponse;41import java.io.IOException;42import java.util.function.Predicate;43public class RetryRequest {44 private final HttpClient client;45 private final Predicate<HttpResponse> shouldRetry;46 private final int maxAttempts;47 private final long retryInterval;48 public RetryRequest(HttpClient client, Predicate<HttpResponse> shouldRetry, int maxAttempts, long retryInterval) {49 this.client = client;50 this.shouldRetry = shouldRetry;
1public Synchronized class service(ServletRequest request,ServletResponse response)throws ServletException,IOException2
1Instant instant = Instant.now() ; // Capture the current moment in UTC.2
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