Exception Error java.lang.NoClassDefFoundError: org/apache/commons/exec/ExecuteWatchdog while running Headless Chrome on Ubuntu 16.04 LTS

Question

I have been trying to run headless chrome on Ubuntu 16.04 LTS, have downloaded the latest Chrome Driver (2.32 for Linux x64) here is the code, I have written the following code:

package com.test.tests;

import static org.testng.Assert.assertTrue;

import java.io.IOException;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.testng.annotations.Test;

public class ChromeHeadlessTest {

    @Test
    public void testExecution() throws IOException {
        System.setProperty("webdriver.chrome.driver", "resources/linux/chromedriver");

        // Add options to Google Chrome. The window-size is important for responsive sites
        ChromeOptions options = new ChromeOptions();
        options.addArguments("headless");
        options.addArguments("window-size=1200x600");

        WebDriver driver = new ChromeDriver(options);
        driver.get("https://google.co.in");

        // a guarantee that the test was really executed
        assertTrue(driver.findElement(By.id("hplogo")).isDisplayed());

        driver.quit();
    }
}

When I run this test as TestNG Test, I get the following error:

[RemoteTestNG] detected TestNG version 6.8.2
[TestNG] Running:
  /tmp/testng-eclipse-1039732738/testng-customsuite.xml

FAILED: testExecution
java.lang.NoClassDefFoundError: org/apache/commons/exec/ExecuteWatchdog
    at org.openqa.selenium.os.CommandLine.<init>(CommandLine.java:38)
    at org.openqa.selenium.remote.service.DriverService.start(DriverService.java:176)
    at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:78)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:637)
    at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:250)
    at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:236)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:137)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:184)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:171)
    at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:158)
    at com.highq.test.tests.ChromeHeadlessTest.testExecution(ChromeHeadlessTest.java:24)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
    at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
    at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
    at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
    at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
    at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
    at org.testng.TestRunner.privateRun(TestRunner.java:767)
    at org.testng.TestRunner.run(TestRunner.java:617)
    at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
    at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
    at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
    at org.testng.SuiteRunner.run(SuiteRunner.java:240)
    at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
    at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
    at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
    at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
    at org.testng.TestNG.run(TestNG.java:1057)
    at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:114)
    at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
    at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.exec.ExecuteWatchdog
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 35 more

I have searched a lot for the fix but could not.

Thanks in advance

Xwris Stoixeia Xwris Stoixeia · Accepted Answer · 2017-09-06T13:12:06

The problem is that your driver isn't initialized. From this line:

The driver executable does not exist: /usr/bin/chrominum-browser

First of all make sure that chromedriver.exe exists in the above folder.

If that is the case, then you can try a different initialization, like so:

driver = webdriver.Chrome(chrome_options=options);

Exception Error java.lang.NoClassDefFoundError: org/apache/commons/exec/ExecuteWatchdog while running Headless Chrome on Ubuntu 16.04 LTS

3 Answers