Bitbucket Pipeline Error Message : org.openqa.selenium.WebDriverException: Timed out waiting for driver server to start

Question

Bitbucket Pipeline is showing the error message below, while running selenium script. How can I fix this error?

Error Message:

org.openqa.selenium.WebDriverException: Timed out waiting for driver server to start.
Build info: version: '3.12.0', revision: '7c6e0b3', time: '2018-05-08T14:04:26.12Z'
System info: host: 'ea7dc775-c9f2-4e1c-b434-2afad6661d2c28de', ip: '11.32.36.232', os.name: 'Linux', os.arch: 'amd64', os.version: '4.19.23-coreos-r1', java.version: '1.8.0_121'
Driver info: driver.version: ChromeDriver
    at org.openqa.selenium.remote.service.DriverService.waitUntilAvailable(DriverService.java:192)
    at org.openqa.selenium.remote.service.DriverService.start(DriverService.java:178)
    at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:79)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:543)
    at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:207)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:130)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:181)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:168)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:157)

---

YAML file

---

image: maven:3.3.9
pipelines:
  default:
    - step:
        name : Automation Testing - Execution
        caches:
          - maven
        script: # Modify the commands below to build your repository.
          - mvn -B verify # -B batch mode makes Maven less verbose
        artifacts: # defining the artifacts to be passed to each future step.
          - Results/**