How to solve java.lang.ClassNotFoundException in appium java? - appium-android

Question

I have to perform login activity in appium for android application. But I am getting class not found error in my script. My application is opened in but after opening application login not performed.
public class AppiumTest2 {
AppiumDriver driver;
public void setup() throws Exception {
DesiredCapabilities Capabilities = new DesiredCapabilities();
Capabilities.setCapability("deviceName", "codeblaze");
Capabilities.setCapability("platforVersion", "7.0");
Capabilities.setCapability("platformName", "Adnroid");
Capabilities.setCapability("appPackage", "package name");
Capabilities.setCapability("appActivity", "activity name");
driver = new AndroidDriver(new URL("http://0.0.0.0:4723/wd/hub"), Capabilities);
}
public void tearDown() throws Exception {
driver.quit();
}
public void LogInWithInvalidEmail() {
//WebElement emailLoginButton = driver.findElement(By.id("lllogin"));
//emailLoginButton.click();
WebElement emailTextField = (new WebDriverWait(driver,60)).until(ExpectedConditions.presenceOfElementLocated(By.id("etusername")));
emailTextField.sendKeys("Invalid Email");
WebElement passwordTextField = driver.findElement(By.id("etpassword"));
passwordTextField.sendKeys("Random Password");
WebElement loginButton = driver.findElement(By.id("lllogin"));
loginButton.click();
}
}
Actual Result: I am getting below error:
java.lang.ClassNotFoundException: org.apache.commons.lang3.StringUtils
Expected Result: above mention error should not come and login activity should perform in application.

Answer 1

I was facing the same issue, the RCA was I was using appium-java Client from Reference libraries and Selenium-server jar from Maven Dependency section of my dev tool(Eclipse). That is causing sync in issue when driver is calling Java client to interact with Appium jar.
When I imported java client in my POM this issue resolved for me.
<dependencies>
<!-- http://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-server -->
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-server</artifactId>
<version>3.141.59</version>
</dependency>
<dependency>
<groupId>io.appium</groupId>
<artifactId>java-client</artifactId>
<version>7.4.1</version>
</dependency>
</dependencies>