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How to use PuppeteerException class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.PuppeteerException

CDPSession.cs

Source:CDPSession.cs

...107        /// If <c>true</c> the method will return a task to be completed when the message is confirmed by Chromium.108        /// If <c>false</c> the task will be considered complete after sending the message to Chromium.109        /// </param>110        /// <returns>The task.</returns>111        /// <exception cref="PuppeteerSharp.PuppeteerException"></exception>112        public async Task<JObject> SendAsync(string method, object args = null, bool waitForCallback = true)113        {114            if (Connection == null)115            {116                throw new PuppeteerException(117                    $"Protocol error ({method}): Session closed. " +118                    $"Most likely the {TargetType} has been closed." +119                    $"Close reason: {CloseReason}");120            }121            var id = Connection.GetMessageID();122            MessageTask callback = null;123            if (waitForCallback)124            {125                callback = new MessageTask126                {127                    TaskWrapper = new TaskCompletionSource<JObject>(),128                    Method = method129                };130                _callbacks[id] = callback;131            }132            try133            {134                await Connection.RawSendASync(id, method, args, SessionId).ConfigureAwait(false);135            }136            catch (Exception ex)137            {138                if (waitForCallback && _callbacks.TryRemove(id, out _))139                {140                    callback.TaskWrapper.TrySetException(new MessageException(ex.Message, ex));141                }142            }143            return waitForCallback ? await callback.TaskWrapper.Task.ConfigureAwait(false) : null;144        }145        /// <summary>146        /// Detaches session from target. Once detached, session won't emit any events and can't be used to send messages.147        /// </summary>148        /// <returns></returns>149        /// <exception cref="T:PuppeteerSharp.PuppeteerException"></exception>150        public Task DetachAsync()151        {152            if (Connection == null)153            {154                throw new PuppeteerException($"Session already detached.Most likely the {TargetType} has been closed.");155            }156            return Connection.SendAsync("Target.detachFromTarget", new TargetDetachFromTargetRequest157            {158                SessionId = SessionId159            });160        }161        internal bool HasPendingCallbacks() => _callbacks.Count != 0;162        #endregion163        #region Private Methods164        internal void OnMessage(ConnectionResponse obj)165        {166            var id = obj.Id;167            if (id.HasValue && _callbacks.TryRemove(id.Value, out var callback))168            {...

PuppeteerEngine.cs

Source:PuppeteerEngine.cs

...129                _logger.Debug("Creating IWebBrowser");130                _browserWrapper = new WebBrowser(_browser);131                return _browserWrapper;132            }133            catch (PuppeteerSharp.PuppeteerException ex)134            {135                _logger.Fatal($"Browser communication error. Exception: {ex}");136                return null;137            }138        }139        /// <summary>140        /// Initialize connection to remote browser141        /// </summary>142        /// <returns></returns>143        private async Task<IWebBrowser> ConnectToRemoteBrowser()144        {145            try146            {147                _logger.Debug("Connecting to remote browser");148                _browser = await PuppeteerSharp.Puppeteer.ConnectAsync(new ConnectOptions()149                {150                    BrowserURL = _remoteBrowserAddress.ToString()151                });152                _logger.Debug("Opening new page");153                Page descriptionPage = await _browser.NewPageAsync();154                await descriptionPage.SetContentAsync("<h1>This is a browser of patreon downloader</h1>");155                _logger.Debug("Creating IWebBrowser");156                _browserWrapper = new WebBrowser(_browser);157                return _browserWrapper;158            }159            catch (PuppeteerSharp.PuppeteerException ex)160            {161                _logger.Fatal($"Browser communication error. Exception: {ex}");162                return null;163            }164        }165        public async Task CloseBrowser()166        {167            if (_remoteBrowserAddress != null)168                return;169            if (_browser != null && !_browser.IsClosed)170            {171                await _browser.CloseAsync();172                _browser.Dispose();173                _browser = null;...

RacePageUtils.cs

Source:RacePageUtils.cs

...103                {104                    var value = await Page.EvaluateFunctionAsync<string>("e => e.value", button);105                    if (value != "ÐÐ°, Ð¾Ð¿ÑÐ±Ð»Ð¸ÐºÐ¾Ð²Ð°ÑÑ") continue;106                    await Page.EvaluateFunctionAsync<bool>("element => element.click()", button);107                    try { await button.ClickAsync(); } catch (PuppeteerException) { }108                }109                    110                buttons = await Page.QuerySelectorAllAsync("button.btn.btn-primary");111                foreach (var button in buttons)112                {113                    var value = await Page.EvaluateFunctionAsync<string>("e => e.innerText", button);114                    if (value != "ÐÐ¿ÑÐ±Ð»Ð¸ÐºÐ¾Ð²Ð°ÑÑ") continue;115                    await Page.EvaluateFunctionAsync<bool>("element => element.click()", button);116                    try { await button.ClickAsync(); } catch (PuppeteerException) { }117                }118                    119                buttons = await Page.QuerySelectorAllAsync("button.close");120                foreach (var button in buttons)121                {122                    await Page.EvaluateFunctionAsync<bool>("element => element.click()", button);123                    try { await button.ClickAsync(); } catch (PuppeteerException) { }124                }125            }126        }127    }128}...

SearchPage.cs

Source:SearchPage.cs

...34                try35                {36                    if (await GetSearchResultCount(page) != null) break;37                }38                catch (PuppeteerException) { }39                await Task.Delay(1000);40            }41        }42        public static async Task WaitForFirstPageLoad(Page page)43        {44            var script = @"document.querySelector(""[src^='/assets/looading-gif']"") == null";45            await page.WaitForExpressionAsync(script);46            await WaitForSearchResultCount(page);47            var count = await GetSearchResultCount(page);48            if (count == 0) return;49            await page.WaitForExpressionAsync("document.querySelector('.lazy-load-image') == null");50        }51        public static async Task<bool> CanGoToNextPage(Page page)52        {53            await WaitForFirstPageLoad(page);54            const string script = @"(() => document.querySelector('.btn.btn-default.btn-lg') !== null )()";55            var result = await page.EvaluateExpressionAsync<bool>(script);56            return result;57        }58        public static async Task GoToNextPage(Page page)59        {60            await page.WaitForSelectorAsync(".btn.btn-default.btn-lg");61            try62            {63                await page.EvaluateExpressionAsync("document.querySelector('.btn.btn-default.btn-lg').click()");64            }65            catch (PuppeteerException) { }66        }67        public static async Task<string[]> GetLinks(Page page)68        {69            var links = await page.EvaluateExpressionAsync<string[]>(70                "(()=>[...document.querySelectorAll('.advanced-search-card.clearfix')].map((x) => x.href))()");71            return links;72        }73    }74}...

PuppeteerException.cs

Source:PuppeteerException.cs

...5    /// <summary>6    /// Base exception used to identify any exception thrown by PuppeteerSharp7    /// </summary>8    [Serializable]9    public class PuppeteerException : Exception10    {11        /// <summary>12        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.13        /// </summary>14        public PuppeteerException()15        {16        }17        /// <summary>18        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.19        /// </summary>20        /// <param name="message">Message.</param>21        public PuppeteerException(string message) : base(message)22        {23        }24        /// <summary>25        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.26        /// </summary>27        /// <param name="message">Message.</param>28        /// <param name="innerException">Inner exception.</param>29        public PuppeteerException(string message, Exception innerException) : base(message, innerException)30        {31        }32        /// <summary>33        /// Initializes a new instance of the <see cref="PuppeteerException"/> class.34        /// </summary>35        /// <param name="info">Info.</param>36        /// <param name="context">Context.</param>37        protected PuppeteerException(SerializationInfo info, StreamingContext context) : base(info, context)38        {39        }40        internal static string RewriteErrorMeesage(string message)41            => message.Contains("Cannot find context with specified id")42                ? "Execution context was destroyed, most likely because of a navigation."43                : message;44    }45}...

BrowserMediaBlocker.cs

Source:BrowserMediaBlocker.cs

...36                    if (page == null) return;37                    await DisableMedia(page);38                }39                // Protocol error (Page.createIsolatedWorld): Could not create isolated world40                catch (PuppeteerException) { }41            };42            return browser;43        }44    }45}...

UserAgentPatcher.cs

Source:UserAgentPatcher.cs

...18                    if (page == null) return;19                    await InterceptPage(page);20                }21                // Protocol error (Page.createIsolatedWorld): Could not create isolated world22                catch (PuppeteerException) { }23            };24        }25    }26}...

ProfileInfoService.cs

Source:ProfileInfoService.cs

...11            try12            {13                await page.WaitForSelectorAsync("#myChart.chartjs-render-monitor");14            }15            catch (PuppeteerException) { } // there is a rare case when there is no chart16        }17        public static async Task<ProfileInfo> GetInfo(Page page)18        {19            var mainProfileInfo = await ProfilePage.GetMainProfileInfo(page);20            var demographicsInfo = await ProfileDemographicsPage.GetDemographicsInfo(page);21            return new ProfileInfo { MainProfileInfo = mainProfileInfo, DemographicsInfo = demographicsInfo };22        }23    }24}...

PuppeteerException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            {9                await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10                using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))11                using (var page = await browser.NewPageAsync())12                {13                    await page.ScreenshotAsync("google.png");14                }15            }16            catch (PuppeteerException ex)17            {18                Console.WriteLine(ex.Message);19            }20            Console.ReadLine();21        }22    }23}

PuppeteerException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            {14            }15            catch (PuppeteerException ex)16            {17                Console.WriteLine(ex.Message);18            }19            await browser.CloseAsync();20        }21    }22}23const puppeteer = require('puppeteer');24(async () => {25    const browser = await puppeteer.launch({ headless: false });26    const page = await browser.newPage();27    try {28    }29    catch (ex) {30        console.log(ex.message);31    }32    await browser.close();33})();

PuppeteerException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            {9                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"10            };11            var browser = await Puppeteer.LaunchAsync(options);12            var page = await browser.NewPageAsync();13            {14            }15            catch (PuppeteerException ex)16            {17                Console.WriteLine(ex.Message);18            }19            await browser.CloseAsync();20        }21    }22}

PuppeteerException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            {9                var browser = await Puppeteer.LaunchAsync(new LaunchOptions10                {11                    Args = new string[] { "--disable-extensions" }12                });13                var page = await browser.NewPageAsync();14                await page.ScreenshotAsync("google.png");15                await browser.CloseAsync();16            }17            catch (PuppeteerException ex)18            {19                Console.WriteLine(ex.Message);20            }21        }22    }23}

PuppeteerException

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.IO;4{5    {6        public PuppeteerException(string message) : base(message)7        {8        }9        public PuppeteerException(string message, Exception innerException) : base(message, innerException)10        {11        }12    }13}14{15    {16        public PuppeteerException(string message) : base(message)17        {18        }19        public PuppeteerException(string message, Exception innerException) : base(message, innerException)20        {21        }22    }23}24using PuppeteerSharp;25using System;26using System.IO;27{28    {29        public PuppeteerException(string message) : base(message)30        {31        }

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