How to use TargetClosedException method of PuppeteerSharp.TargetClosedException class

Best Puppeteer-sharp code snippet using PuppeteerSharp.TargetClosedException.TargetClosedException

Connection.cs

Source:Connection.cs Github

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...76 internal async Task<JObject> SendAsync(string method, dynamic args = null, bool waitForCallback = true)77 {78 if (IsClosed)79 {80 throw new TargetClosedException($"Protocol error({method}): Target closed.");81 }82 var id = Interlocked.Increment(ref _lastId);83 var message = JsonConvert.SerializeObject(new Dictionary<string, object>84 {85 { MessageKeys.Id, id },86 { MessageKeys.Method, method },87 { MessageKeys.Params, args }88 });89 _logger.LogTrace("Send ► {Id} Method {Method} Params {@Params}", id, method, (object)args);90 MessageTask callback = null;91 if (waitForCallback)92 {93 callback = new MessageTask94 {95 TaskWrapper = new TaskCompletionSource<JObject>(),96 Method = method97 };98 _callbacks[id] = callback;99 }100 await Transport.SendAsync(message).ConfigureAwait(false);101 return waitForCallback ? await callback.TaskWrapper.Task.ConfigureAwait(false) : null;102 }103 internal async Task<T> SendAsync<T>(string method, dynamic args = null)104 {105 JToken response = await SendAsync(method, args).ConfigureAwait(false);106 return response.ToObject<T>();107 }108 internal async Task<CDPSession> CreateSessionAsync(TargetInfo targetInfo)109 {110 var sessionId = (await SendAsync("Target.attachToTarget", new111 {112 targetId = targetInfo.TargetId113 }).ConfigureAwait(false))[MessageKeys.SessionId].AsString();114 var session = new CDPSession(this, targetInfo.Type, sessionId);115 _sessions.TryAdd(sessionId, session);116 return session;117 }118 internal bool HasPendingCallbacks() => _callbacks.Count != 0;119 #endregion120 private void OnClose()121 {122 if (IsClosed)123 {124 return;125 }126 IsClosed = true;127 Transport.StopReading();128 Closed?.Invoke(this, new EventArgs());129 foreach (var session in _sessions.Values.ToArray())130 {131 session.OnClosed();132 }133 _sessions.Clear();134 foreach (var response in _callbacks.Values.ToArray())135 {136 response.TaskWrapper.TrySetException(new TargetClosedException(137 $"Protocol error({response.Method}): Target closed."138 ));139 }140 _callbacks.Clear();141 }142 internal static IConnection FromSession(CDPSession session)143 {144 var connection = session.Connection;145 while (connection is CDPSession)146 {147 connection = connection.Connection;148 }149 return connection;150 }...

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NavigatorWatcher.cs

Source:NavigatorWatcher.cs Github

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...56 frameManager.FrameNavigatedWithinDocument += NavigatedWithinDocument;57 frameManager.FrameDetached += OnFrameDetached;58 networkManager.Request += OnRequest;59 Connection.FromSession(client).Closed += (sender, e)60 => Terminate(new TargetClosedException("Navigation failed because browser has disconnected!"));61 _sameDocumentNavigationTaskWrapper = new TaskCompletionSource<bool>();62 _newDocumentNavigationTaskWrapper = new TaskCompletionSource<bool>();63 _terminationTaskWrapper = new TaskCompletionSource<bool>();64 _timeoutTask = TaskHelper.CreateTimeoutTask(timeout);65 }66 #region Properties67 public Task<Task> NavigationTask { get; internal set; }68 public Task<bool> SameDocumentNavigationTask => _sameDocumentNavigationTaskWrapper.Task;69 public Task<bool> NewDocumentNavigationTask => _newDocumentNavigationTaskWrapper.Task;70 public Response NavigationResponse => _navigationRequest?.Response;71 public Task<Task> TimeoutOrTerminationTask => Task.WhenAny(_timeoutTask, _terminationTaskWrapper.Task);72 #endregion73 #region Private methods74 private void OnFrameDetached(object sender, FrameEventArgs e)...

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BrowserActor.cs

Source:BrowserActor.cs Github

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...105 }106 else if (exception is SelectorException)107 {108 }109 else if (exception is TargetClosedException) // Page was closed110 {111 return Directive.Restart;112 }113 }114 else if (exception is NullReferenceException)115 {116 return Directive.Escalate;117 }118 return Directive.Resume;119 });120 }121 #region Lifecycle Hooks122 protected override void PreStart()123 {...

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MirrorTaskExecutioner.cs

Source:MirrorTaskExecutioner.cs Github

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...95 }96 }97 catch (PuppeteerException e)98 {99 if (e is TargetClosedException || e is NavigationException100 || e is ChromiumProcessException)101 {102 //stop action103 Log.Information("You have stopped the uploading process.");104 }105 else106 {107 throw;108 }109 }110 catch (Exception e)111 {112 Log.Error($"Uploading process has stopped.");113 Log.Error($"{e}");...

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PuppeteerLoader.cs

Source:PuppeteerLoader.cs Github

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...32 logger.LogInformation($"Create {nameof(Browser)}");33 }34 public async Task<IDocument> LoadHtml(string requestUri, Site site, CancellationToken token)35 {36 return await ReconnectOnExceptionAsync<IDocument, TargetClosedException>(37 2,38 new TimeSpan(0, 0, 1),39 async () => await LoadHtmlContent(requestUri, site, token));40 }41 private async Task<IDocument> LoadHtmlContent(string requestUri, Site site, CancellationToken token)42 {43 requestUri.StringNullOrEmptyValidate(nameof(requestUri));44 site.NullValidate(nameof(site));45 var parserSettings = configuration.GetSection(site.Name).Get<ExtractorSettings>();46 using var page = await browser.NewPageAsync();47 await page.GoToAsync(requestUri);48 var waitingSelector = parserSettings.WaitingSelector ?? parserSettings.Name;49 await page.WaitForSelectorAsync(waitingSelector);50 logger.LogInformation($"Successfully sent request {requestUri}");...

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CloseTests.cs

Source:CloseTests.cs Github

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...9 public CloseTests(ITestOutputHelper output) : base(output) { }10 [Fact]11 public async Task ShouldRejectAllPromisesWhenPageIsClosed()12 {13 var exceptionTask = Assert.ThrowsAsync<TargetClosedException>(() => Page.EvaluateFunctionAsync("() => new Promise(r => {})"));14 await Task.WhenAll(15 exceptionTask,16 Page.CloseAsync()17 );18 var exception = await exceptionTask;19 Assert.Contains("Protocol error", exception.Message);20 Assert.Equal("Target.detachedFromTarget", exception.CloseReason);21 }22 [Fact]23 public async Task ShouldNotBeVisibleInBrowserPages()24 {25 Assert.Contains(Page, await Browser.PagesAsync());26 await Page.CloseAsync();27 Assert.DoesNotContain(Page, await Browser.PagesAsync());28 }29 [Fact]30 public async Task ShouldRunBeforeunloadIfAskedFor()31 {32 await Page.GoToAsync(TestConstants.ServerUrl + "/beforeunload.html");33 var dialogTask = new TaskCompletionSource<bool>();34 Page.Dialog += async (sender, e) =>35 {36 Assert.Equal(DialogType.BeforeUnload, e.Dialog.DialogType);37 Assert.Equal(string.Empty, e.Dialog.Message);38 Assert.Equal(string.Empty, e.Dialog.DefaultValue);39 await e.Dialog.Accept();40 dialogTask.TrySetResult(true);41 };42 var closeTask = new TaskCompletionSource<bool>();43 Page.Close += (sender, e) => closeTask.TrySetResult(true);44 // We have to interact with a page so that 'beforeunload' handlers45 // fire.46 await Page.ClickAsync("body");47 await Page.CloseAsync(new PageCloseOptions { RunBeforeUnload = true });48 await Task.WhenAll(49 dialogTask.Task,50 closeTask.Task51 );52 }53 [Fact]54 public async Task ShouldNotRunBeforeunloadByDefault()55 {56 await Page.GoToAsync(TestConstants.ServerUrl + "/beforeunload.html");57 await Page.ClickAsync("body");58 await Page.CloseAsync();59 }60 [Fact]61 public async Task ShouldSetThePageCloseState()62 {63 Assert.False(Page.IsClosed);64 await Page.CloseAsync();65 Assert.True(Page.IsClosed);66 }67 [Fact]68 public async Task ShouldTerminateNetworkWaiters()69 {70 var newPage = await Context.NewPageAsync();71 var requestTask = newPage.WaitForRequestAsync(TestConstants.EmptyPage);72 var responseTask = newPage.WaitForResponseAsync(TestConstants.EmptyPage);73 await newPage.CloseAsync();74 var exception = await Assert.ThrowsAsync<TargetClosedException>(() => requestTask);75 Assert.Contains("Target closed", exception.Message);76 Assert.DoesNotContain("Timeout", exception.Message);77 exception = await Assert.ThrowsAsync<TargetClosedException>(() => responseTask);78 Assert.Contains("Target closed", exception.Message);79 Assert.DoesNotContain("Timeout", exception.Message);80 }81 [Fact(Timeout = 10000)]82 public async Task ShouldCloseWhenConnectionBreaksPrematurely()83 {84 Browser.Connection.Dispose();85 await Page.CloseAsync();86 }87 }88}...

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BrowserCloseTests.cs

Source:BrowserCloseTests.cs Github

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...18 var newPage = await remote.NewPageAsync();19 var requestTask = newPage.WaitForRequestAsync(TestConstants.EmptyPage);20 var responseTask = newPage.WaitForResponseAsync(TestConstants.EmptyPage);21 await browser.CloseAsync();22 var exception = await Assert.ThrowsAsync<TargetClosedException>(() => requestTask);23 Assert.Contains("Target closed", exception.Message);24 Assert.DoesNotContain("Timeout", exception.Message);25 exception = await Assert.ThrowsAsync<TargetClosedException>(() => responseTask);26 Assert.Contains("Target closed", exception.Message);27 Assert.DoesNotContain("Timeout", exception.Message);28 }29 }30 }31}...

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TargetClosedException.cs

Source:TargetClosedException.cs Github

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2{3 /// <summary>4 /// Exception thrown by the <see cref="Connection"/> when it detects that the target was closed.5 /// </summary>6 public class TargetClosedException : PuppeteerException7 {8 /// <summary>9 /// Initializes a new instance of the <see cref="TargetClosedException"/> class.10 /// </summary>11 /// <param name="message">Message.</param>12 public TargetClosedException(string message) : base(message)13 {14 }15 }...

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TargetClosedException

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static void Main(string[] args)7 {8 MainAsync().GetAwaiter().GetResult();9 }10 static async Task MainAsync()11 {12 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))13 using (var page = await browser.NewPageAsync())14 {15 await page.WaitForNavigationAsync();16 var newPage = await browser.NewPageAsync();17 await newPage.CloseAsync();18 {19 await navigationTask;20 }21 catch (TargetClosedException e)22 {23 Console.WriteLine(e.Message);24 }25 }26 }27 }28}29using PuppeteerSharp;30using System;31using System.Threading.Tasks;32{33 {34 static void Main(string[] args)35 {36 MainAsync().GetAwaiter().GetResult();37 }38 static async Task MainAsync()39 {40 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))41 using (var page = await browser.NewPageAsync())42 {43 await page.WaitForNavigationAsync();44 var newPage = await browser.NewPageAsync();45 await newPage.CloseAsync();46 {47 await navigationTask;48 }49 catch (TargetClosedException e)50 {51 Console.WriteLine(e.Message);52 }53 }54 }55 }56}57using PuppeteerSharp;58using System;59using System.Threading.Tasks;60{61 {62 static void Main(string[] args)63 {64 MainAsync().GetAwaiter().GetResult();65 }66 static async Task MainAsync()67 {68 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))69 using (var page =

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TargetClosedException

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static void Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 }10 }11}12using PuppeteerSharp;13using System;14using System.Threading.Tasks;15{16 {17 static void Main(string[] args)18 {19 Console.WriteLine("Hello World!");20 }21 }22}23using PuppeteerSharp;24using System;25using System.Threading.Tasks;26{27 {28 static void Main(string[] args)29 {30 Console.WriteLine("Hello World!");31 }32 }33}34using PuppeteerSharp;35using System;36using System.Threading.Tasks;37{38 {39 static void Main(string[] args)40 {41 Console.WriteLine("Hello World!");42 }43 }44}45using PuppeteerSharp;46using System;47using System.Threading.Tasks;48{49 {50 static void Main(string[] args)51 {52 Console.WriteLine("Hello World!");53 }54 }55}56using PuppeteerSharp;57using System;58using System.Threading.Tasks;59{60 {61 static void Main(string[] args)62 {63 Console.WriteLine("Hello World!");64 }65 }66}67using PuppeteerSharp;68using System;69using System.Threading.Tasks;70{71 {72 static void Main(string[] args)73 {74 Console.WriteLine("Hello World!");75 }

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TargetClosedException

Using AI Code Generation

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp;7{8 {9 static void Main(string[] a

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TargetClosedException

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static void Main(string[] args)7 {8 MainAsync(args).Wait();9 }10 static async Task MainAsync(string[] args)11 {12 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });13 var page = await browser.NewPageAsync();14 var newPage = await browser.NewPageAsync();15 {16 await newPage.CloseAsync();17 await page.ScreenshotAsync("google.png");18 }19 catch (TargetClosedException ex)20 {21 Console.WriteLine(ex.Message);22 }23 await browser.CloseAsync();24 }25 }26}27PuppeteerSharp | TargetChangedException.TargetChangedException() Constructor28PuppeteerSharp | TargetChangedException.TargetChangedException(string message) Constructor29PuppeteerSharp | TargetChangedException.TargetChangedException(string message, Exception innerException) Constructor30PuppeteerSharp | TargetChangedException.ToString() method31PuppeteerSharp | TargetChangedException.GetBaseException() method32PuppeteerSharp | TargetChangedException.GetType() method33PuppeteerSharp | TargetChangedException.ToString() method

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TargetClosedException

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 public static async Task Run()7 {8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 }))11 {12 var page = await browser.NewPageAsync();13 var target = page.Target;14 await page.CloseAsync();15 {16 await target.PageAsync();17 }18 catch (PuppeteerSharp.TargetClosedException e)19 {20 Console.WriteLine(e.Message);21 }22 }23 }24 }25}

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TargetClosedException

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static void Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 MainAsync().GetAwaiter().GetResult();10 }11 static async Task MainAsync()12 {13 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });14 var page = await browser.NewPageAsync();15 var otherPage = await browser.NewPageAsync();16 var otherPageTarget = otherPage.Target;17 await otherPage.CloseAsync();18 {19 await otherPageTarget.PageAsync();20 }21 catch (TargetClosedException ex)22 {23 Console.WriteLine(ex.Message);24 }25 await browser.CloseAsync();26 }27 }28}29PuppeteerSharp.TargetClosedException.TargetClosedException()30PuppeteerSharp.TargetClosedException.TargetClosedException(String)31PuppeteerSharp.TargetClosedException.TargetClosedException(String, Exception)32PuppeteerSharp.TargetClosedException.TargetClosedException(SerializationInfo, StreamingContext)33PuppeteerSharp.TargetClosedException.ToString()

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