title: Selenium WebDriver Setting debuggerAddress Stopped Working
body: <p>I'm using Selenium Web driver, however, I am preloading a browser by setting the debuggerAddress. I connect through a specified port. I had this working great. Suddenly, it's stopped working. I'm not quite sure what the issue is.</p>
  <pre><code>public void launchBrowser() throws InterruptedException {
          
          try {
           
              // Set file path of chrome driver
              System.setProperty(&quot;webdriver.chrome.driver&quot;, &quot;C:\\chromedriver.exe&quot;);
              
              // Start chrome driver with existing chrome browser 
              ChromeOptions options = new ChromeOptions();
              options.setExperimentalOption(&quot;debuggerAddress&quot;,&quot;localhost:1250&quot;);
              
              // Create object
              driver = new ChromeDriver(options);
              
              // Write to console where we are
              System.out.println(driver.getCurrentUrl());
              
          }
          catch(Exception e) {
           
              console(&quot;JacksClass.java&quot;,&quot;launchBrowser()&quot;, &quot;Exception: &quot; + e);
              
          }
          
      }
  </code></pre>
  <p>Before I run the script. I start the Chrome browser with this command in CMD</p>
  <pre><code>start chrome --remote-debugging-port=1250
  </code></pre>
  <p>After launching the browser from CMD successfully. Then running the code. I get the following exception after around 1-2 minutes.</p>
  <pre><code>JacksClass.java - launchBrowser() : Exception: org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
  Build info: version: '4.0.0-alpha-6', revision: '5f43a29cfc'
  System info: host: 'DESKTOP-5H32IOI', ip: '192.168.1.53', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '11.0.8'
  Driver info: driver.version: ChromeDriver
  </code></pre>
  <p>All of this was working great a month ago. I have the chrome driver installed in the same location.</p>
  <p><a href="https://i.stack.imgur.com/JQkVL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JQkVL.png" alt="enter image description here" /></a></p>