Here are a few title options, keeping in mind the question-and-answer style: Short & Direct: * WebDriverException: Why is my chromedriver exiting with status code 127? * Selenium Error: How to f

WebDriverException: Service chromedriver unexpectedly exited. Status code was: 127

Problem:

Selenium throws a WebDriverException when starting a Chrome driver service. The error message indicates that the chromedriver has unexpectedly exited with status code 127.

Analysis:

The status code 127 usually signifies an executable that could not be found or was terminated due to errors. In this case, it suggests that the chromedriver executable is missing required dependencies or has encountered other runtime issues.

Solution:

To resolve this error, install the necessary libraries that chromedriver requires. For Ubuntu 17.10, this can be achieved by running the following command:

<code class="bash">apt-get install -y libglib2.0-0=2.50.3-2 \
    libnss3=2:3.26.2-1.1+deb9u1 \
    libgconf-2-4=3.2.6-4+b1 \
    libfontconfig1=2.11.0-6.7+b1</code>

Additional Troubleshooting:

• Check chromedriver version: Ensure you are using a compatible version of chromedriver with the Selenium version you are running.
• Use ldd to identify missing dependencies: Run the ldd /path/to/chromedriver command to print the shared object dependencies. Identify any missing libraries and install them using apt-get.
• Check environment variables: Verify that the $PATH variable includes the directory where chromedriver is located.
• Disable firewall/antivirus: Some firewall or antivirus software may interfere with the chromedriver process. Temporarily disable them and try again.
• Restart the server: Shut down and restart the server running the Selenium driver. This can sometimes resolve unexpected service exits.

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