错误:无法打开显示:Selenium测试:: 0 [英] Error: cannot open display: :0 for Selenium tests

问题描述

首先我遇到以下错误:

org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
Error: no display specified

因此，我已经使用export DISPLAY=:0来解决此问题.接下来，我发现Selenium测试正在使用root用户运行，并且一切都很好.

So I have used export DISPLAY=:0 to circumvent this problem. Followed to that I have found Selenium tests were running using the root user and all was fine.

但是现在我可以看到何时从Jenkins执行这些测试，出现以下错误:

However now I can see when these tests are getting executed from Jenkins the following error is coming up:

org.openqa.selenium.firefox.NotConnectedException: Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms. Firefox console output:
No protocol specified
Error: cannot open display: :0

我正在Redhat 6盒子上运行它.

I am running this on a Redhat 6 box.

推荐答案

您可以下载

You can download the Jenkins xvnc plugin and make that plugin start(and export) a virtual display for selenium to use. The jenkins user may not have access to the :0 display.

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