NullReferenceException exception thrown when getting browser logs

[richja]

🐛 Bug Report

When trying to get AvailableLogTypes from logs. the NullReferenceException is thrown.

Same happens on Chrome and Firefox.
Basically same issue as reported while ago #5842.

To Reproduce

Try to get log types driver.Manage().Logs.AvailableLogTypes
or browser logs directly driver.Manage().GetLog(LogType.Browser)

Expected behavior

Do not throw an exception.

Test script or set of commands reproducing this issue

ChromeOptions chromeOptions = new ChromeOptions();
chromeOptions.SetLoggingPreference(LogType.Browser, LogLevel.All);
_driver = new ChromeDriver(chromeOptions);
_driver.Url = "https://github.com";
var logs = _driver.Manage().Logs;
var logTypes = logs.AvailableLogTypes; //NullReferenceException thrown here

Environment

OS: Windows 10
Browser: Chrome, Firefox
Browser version: Chrome 75.0.3770.100, Firefox 67.0.2
Browser Driver version: ChromeDriver 75.0.3770.90, GeckoDriver 0.24
Language Bindings version: C# 3.141

[jimevans]

Duplicate of #5842. Fixed in 02203c8 (to be released in the forthcoming 4.0alpha02, release date TBD, no further information available on release time frame).

[alex-jitbit]

driver.Manage().Logs.GetLog(LogType.Browser) also throws NullReference exception, I guess it is the same. Any news about the release date?

[mmerrell]

The only news we have is what Jim said: "no further information available on release time frame)" :) MM

…

Sent from my iPhone

On Jun 24, 2019, at 12:35 PM, jimevans ***@***.***> wrote: no further information available on release time frame).

[jimevans]

Having said that, 4.0-alpha2 was released last week, and you can find it via NuGet or at http://selenium-release.storage.googleapis.com