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    <p>I was having the save issue. I assume you made sure your java server was running before you started your python script? The java server can be downloaded from <a href="https://code.google.com/p/selenium/downloads/list" rel="nofollow">selenium's download list</a>.</p> <p>When I did a netstat to evaluate the open ports, i noticed that the java server wasn't running on the specific <code>"localhost"</code> host:</p> <p>When I started the server, I found that the port number was <strong>4444</strong> :</p> <pre><code>$ java -jar selenium-server-standalone-2.35.0.jar Sep 24, 2013 10:18:57 PM org.openqa.grid.selenium.GridLauncher main INFO: Launching a standalone server 22:19:03.393 INFO - Java: Apple Inc. 20.51-b01-456 22:19:03.394 INFO - OS: Mac OS X 10.8.5 x86_64 22:19:03.418 INFO - v2.35.0, with Core v2.35.0. Built from revision c916b9d 22:19:03.681 INFO - RemoteWebDriver instances should connect to: http://127.0.0.1:4444/wd/hub 22:19:03.683 INFO - Version Jetty/5.1.x 22:19:03.683 INFO - Started HttpContext[/selenium-server/driver,/selenium-server/driver] 22:19:03.685 INFO - Started HttpContext[/selenium-server,/selenium-server] 22:19:03.685 INFO - Started HttpContext[/,/] 22:19:03.755 INFO - Started org.openqa.jetty.jetty.servlet.ServletHandler@21b64e6a 22:19:03.755 INFO - Started HttpContext[/wd,/wd] 22:19:03.765 INFO - Started SocketListener on 0.0.0.0:4444 </code></pre> <p>I was able to view my listening ports and their port numbers(the -n option) by running the following command in the terminal:</p> <pre><code>$netstat -an | egrep 'Proto|LISTEN' </code></pre> <p>This got me the following output</p> <pre><code>Proto Recv-Q Send-Q Local Address Foreign Address (state) tcp46 0 0 *.4444 *.* LISTEN </code></pre> <p>I realized this may be a problem, because selenium's socket utils, found in: webdriver/common/utils.py are trying to connect via "localhost" or 127.0.0.1:</p> <pre><code>socket_.connect(("localhost", port)) </code></pre> <p>once I changed the "localhost" to '' (empty single quotes to represent all local addresses), it started working. So now, the previous line from utils.py looks like this:</p> <pre><code>socket_.connect(('', port)) </code></pre> <p>I am using MacOs and Firefox 22. The latest version of Firefox at the time of this post is 24, but I heard there are some security issues with the version that may block some of selenium's functionality (I have not verified this). Regardless, for this reason, I am using the older version of Firefox.</p>
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