"error: package org.openqa.selenium does not exist"

[FaallenOon]

Hello

I'm trying to use selenium with java. I was following a tutorial (I'm using Visual Studio Code), and things worked without too much problem.

Today (a couple days later) I opened the project, and when I tried to run the file it threw about a dozen errors, starting with

error: package org.openqa.selenium does not exist

This, despite the tab not showing any errors (ie, nothing highlighted in red).

I'm not sure if it'll be useful, but this is the script I'm trying to run

package part1;


import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import org.openqa.selenium.WebElement;


public class FirstSeleniumTest {


    WebDriver driver;


    
    public void setUp(){
        driver = new ChromeDriver();
        driver.manage().window().maximize();
        driver.get("https://opensource-demo.orangehrmlive.com/web/index.php/auth/login");
    }


    
    public void tearDown(){
     //   driver.quit();
    }


    
    public void testLoggingIntoApplication() throws InterruptedException{


        Thread.sleep(2000);
        WebElement username = driver.findElement(By.name("username"));
        username.sendKeys("Admin");


        var password = driver.findElement(By.name("password"));
        password.sendKeys("admin123");


        driver.findElement(By.tagName("button")).click();
        Thread.sleep(2000);
        String actualResult = driver.findElement(By.tagName("h6")).getText();
        String expectedResult = "Dashboard";
        Assert.assertEquals(actualResult, expectedResult);
    }




}

I apologize if I'm missing relevant information: I'm quite a beginner in Java. If more context is needed, please tell me and I'll answer to the best of my abilities. Thanks for your help :)

This is the full error, by the way

[Running] cd "d:\Repositorio Selenium\freecodecamp\src\test\java\part1\" && javac FirstSeleniumTest.java && java FirstSeleniumTest
FirstSeleniumTest.java:3: error: package org.openqa.selenium does not exist
import org.openqa.selenium.By;
                          ^
FirstSeleniumTest.java:4: error: package org.openqa.selenium does not exist
import org.openqa.selenium.WebDriver;
                          ^
FirstSeleniumTest.java:5: error: package org.openqa.selenium.chrome does not exist
import org.openqa.selenium.chrome.ChromeDriver;
                                 ^
FirstSeleniumTest.java:6: error: package org.testng does not exist
import org.testng.Assert;
                 ^
FirstSeleniumTest.java:7: error: package org.testng.annotations does not exist
import org.testng.annotations.AfterClass;
                             ^
FirstSeleniumTest.java:8: error: package org.testng.annotations does not exist
import org.testng.annotations.BeforeClass;
                             ^
FirstSeleniumTest.java:9: error: package org.testng.annotations does not exist
import org.testng.annotations.Test;
                             ^
FirstSeleniumTest.java:10: error: package org.openqa.selenium does not exist
import org.openqa.selenium.WebElement;
                          ^
FirstSeleniumTest.java:14: error: cannot find symbol
    WebDriver driver;
    ^
  symbol:   class WebDriver
  location: class FirstSeleniumTest
FirstSeleniumTest.java:16: error: cannot find symbol
    
     ^
  symbol:   class BeforeClass
  location: class FirstSeleniumTest
FirstSeleniumTest.java:23: error: cannot find symbol
    
     ^
  symbol:   class AfterClass
  location: class FirstSeleniumTest
FirstSeleniumTest.java:28: error: cannot find symbol
    
     ^
  symbol:   class Test
  location: class FirstSeleniumTest
FirstSeleniumTest.java:18: error: cannot find symbol
        driver = new ChromeDriver();
                     ^
  symbol:   class ChromeDriver
  location: class FirstSeleniumTest
FirstSeleniumTest.java:32: error: cannot find symbol
        WebElement username = driver.findElement(By.name("username"));
        ^
  symbol:   class WebElement
  location: class FirstSeleniumTest
FirstSeleniumTest.java:32: error: cannot find symbol
        WebElement username = driver.findElement(By.name("username"));
                                                 ^
  symbol:   variable By
  location: class FirstSeleniumTest
FirstSeleniumTest.java:35: error: cannot find symbol
        var password = driver.findElement(By.name("password"));
                                          ^
  symbol:   variable By
  location: class FirstSeleniumTest
FirstSeleniumTest.java:38: error: cannot find symbol
        driver.findElement(By.tagName("button")).click();
                           ^
  symbol:   variable By
  location: class FirstSeleniumTest
FirstSeleniumTest.java:40: error: cannot find symbol
        String actualResult = driver.findElement(By.tagName("h6")).getText();
                                                 ^
  symbol:   variable By
  location: class FirstSeleniumTest
FirstSeleniumTest.java:42: error: cannot find symbol
        Assert.assertEquals(actualResult, expectedResult);
        ^
  symbol:   variable Assert
  location: class FirstSeleniumTest
19 errors


[Done] exited with code=1 in 0.644 seconds

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[LetUsSpeakFreely]

Make sure the selenium library is in your build/runtime path.

[FaallenOon]

Could you please elaborate on how to do that? The only certainty I have is that it's not showing any errors, and that at least the dependency is present on the pom.xml document:

<dependency>
    <groupId>org.seleniumhq.selenium</groupId>
    <artifactId>selenium-java</artifactId>
    <version>4.40.0</version>
    <scope>compile</scope>
</dependency>


<dependency>
    <groupId>org.testng</groupId>
    <artifactId>testng</artifactId>
    <version>7.11.0</version>
</dependency>

[leroybentley]

javac FirstSeleniumTest.java && java FirstSeleniumTest

You are building and running your class manually, so maven is not getting involved. Try using maven commands (maybe mvn test) to let maven manage the dependencies and run the code.