blocks|key|4935788|text|您在服务器和节点上有不同版本的chrome|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4935789|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

you have different versions of chrome on server and on node

blocks|key|2823271|text|我最近也遇到了同样的问题。问题是由全C驱动器引起的。显然，chromedriver需要C驱动器(或chrome二进制文件所在的驱动器)中的一些空间来创建临时配置文件等。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2823272|解决方案之一可能是将chrome安装转移到其他驱动器。您可以在命令行窗口中使用mklink+command。|offset|length|2823273|entityMap|0|LINK|mutability|MUTABLE|url|https://productforums.google.com/forum/#!topic/chrome/gegy49aC3m0^0|0|13|E|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

I've recently had the same issue. The problem was caused by full C drive. Apparently chromedriver needs some space in C drive (or the drive where chrome binary file is located) to create temporary profile files and so on.

One of the solutions could be to move chrome installation to some other drive. You could use <a href="https://productforums.google.com/forum/#!topic/chrome/gegy49aC3m0" rel="noreferrer" title="mklink">mklink command</a> in command line window.

blocks|key|4935851|text|这可能是由于并行执行ChromeDriver造成的。在这种情况下，可能会出现其他错误，如“写入第一次运行文件失败”或“无法创建默认配置文件目录”。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4935852|我的解决方案是指定选项user-data-dir.两个并发的Chromedriver+不应该使用相同的用户数据目录。|offset|length|style|BOLD|4935853|chromeOptions.AddArgument("--user-data-dir=C:\\tmp\\chromeprofiles\\profile"+%2B+someKindOfIdOrIndex);|code-block|syntax|javascript|4935854|当然，您可以随心所欲地更改路径:)|4935855|entityMap^0|0|B|D|17|3|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@$D|S|E|T|F|G]|$D|U|E|V|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|W|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|P|$]]

It can be caused by executing ChromeDriver in parallel. Other errors as "failed to write first run file" or "cannot create default profile directory" may happen in that case.

My solution was to specify option user-data-dir. Two concurrent Chromedriver should not use same user data directory.

<pre><code>chromeOptions.AddArgument("--user-data-dir=C:\\tmp\\chromeprofiles\\profile" + someKindOfIdOrIndex);
</code></pre>

You can of course change the path for whatever you want :)

blocks|key|122332|text|如果C盘耗尽了清除temp+files.This解决方案对我有效的最佳解决方案，则会出现此问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|122333|打开运行命令|122334|2.类型%25+tmp%25|122335|3.点击OK|122336|4.选择all+files.Delete+all+files+permanently。|122337|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|N|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|O|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

This issue occurs if C drive disk runs out of space.The best solution to clear temp files.This solution worked for me.

Open Run command

2.Type % tmp%

3.Click on OK

4.Select all files.Delete all the files permanently.

blocks|key|2026962|text|在我的例子中，它是一个控制台应用程序，应该以管理员身份运行以访问硬盘|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2026963|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

In my case, it was a consol application which should run as Administrator to gain access to the HDD

I keep getting the error while running functional tests using runner with following:
-selenium 2.44
-Chrome Driver
-Windows Server 2008 R2 Enterprise

<pre><code>Error Description: Listening on 0.0.0.0:7000
Starting tunnel...
UnknownError: [POST http://test.com/wd/hub/session / {"de
siredCapabilities":{"browserName":"chrome","name":"tests/intern","idle-timeout":
60,"selenium-version":"2.44.0"}}] unknown error: failed to write prefs file
(Driver info: chromedriver=2.12.301325 (962dea43ddd90e7e4224a03fa3c36a421281ab
b7),platform=Windows NT 6.1 SP1 x86_64) (WARNING: The server did not provide any
stacktrace information)
Command duration or timeout: 1.06 seconds
</code></pre>

Anyone have ever come across such issue? How do i fix this? Suggestions please

unknown error: failed to write prefs file

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在使用runner运行功能测试时，我一直收到以下错误：-selenium 2.44 -Chrome Driver -Windows Server2008 R2企业版Error Description: Listening on 0.0.0.0:7000Starting tunnel...UnknownError: [P...

问未知错误:无法写入首选项文件
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