Can't run a Selenium test "could not start a new session"

Question

Can't run a Selenium test "could not start a new session"

596 Views Asked by AptalKiz At 11 May 2023 at 09:52

My friend sent me his code for Selenium tests using Selenium Grid, they work on his computer but not on mine. Here's part of the code file and pom.xml.

Chrome : 113.0.5672.93

Chrome driver : 113.0.5672.63

jdk : 1.8

Selenium Grid : 4.8.3

Base class

package Base;

import Pages.Login.LoginPage;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.concurrent.TimeUnit;

public class Base {

    protected WebDriver driver;
    LoginPage objLogin;

    public WebDriver initializeBrowser(String browserName) throws MalformedURLException {
        DesiredCapabilities dc = new DesiredCapabilities();

      if(browserName.equals("chrome")) {

            dc.setBrowserName("chrome");

        }else if(browserName.equals("firefox")) {

            dc.setBrowserName("firefox");

        }else if(browserName.equals("edge")) {

            dc.setBrowserName("MicrosoftEdge");

        }else if(browserName.equals("ie")) {

            dc.setBrowserName("Internet explorer");

        }else if(browserName.equals("opera")) {

            dc.setBrowserName("opera");

        }else if(browserName.equals("safari")) {

            dc.setBrowserName("safari");
        }
        driver = new RemoteWebDriver(new URL("http://localhost:4444"), dc);

        return driver;
    }

    private Map<String, Object> vars;

    public void setUp(String strBrowser, String strEnv ) throws MalformedURLException {
        driver = initializeBrowser(strBrowser);
        JavascriptExecutor js = (JavascriptExecutor) driver;
        vars = new HashMap<>();

        driver.get(strEnv);

        driver.manage().window().maximize();
    }

    public void loginUser(String strUserName, String strPassword) throws InterruptedException {
        ResourceBundle bundleLogin = ResourceBundle.getBundle("PageConfigFile.Login.Login");

        objLogin = new Pages.Login.LoginPage(driver);

        objLogin.loginToUser(strUserName, strPassword);

        TimeUnit.SECONDS.sleep(5);
    }
}

Test class

import Tests.ProfilsTest;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

import java.net.MalformedURLException;
import java.util.Map;
import java.util.ResourceBundle;

public class Test extends Base {

    ProfilsTest objProfilTest;

    private Map<String, Object> vars;

    @BeforeTest
    public  void start() throws MalformedURLException, InterruptedException {
        ResourceBundle bundleRec = ResourceBundle.getBundle("PageConfigFile.Env.Env");
        ResourceBundle bundleBrowser = ResourceBundle.getBundle("PageConfigFile.Browser.Browser");
        ResourceBundle bundleLogin = ResourceBundle.getBundle("PageConfigFile.Login.Login");


        String browser = "chrome";
        String env = bundleRec.getString("url");

        String username = bundleLogin.getString("test");
        String pwd = bundleLogin.getString("password");

        setUp(browser,env);
        loginUser(username,pwd);
    }
}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>sgtp</groupId>
  <artifactId>Tests</artifactId>
  <version>0.0.1-SNAPSHOT</version>

  <name>Tests</name>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>


  <parent>
    <groupId>org.apache</groupId>
    <artifactId>apache</artifactId>
    <version>8</version>
    <relativePath></relativePath>
  </parent>


  <dependencies>
   <!-- https://mvnrepository.com/artifact/org.testng/testng -->


 <!-- https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-java -->
    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-java</artifactId>
      <version>4.8.3</version>
      <scope>compile</scope>
    </dependency>

    <dependency>
      <groupId>com.nordstrom.tools</groupId>
      <artifactId>TestNG-Foundation</artifactId>
      <version>3.0.0-j8</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.testng</groupId>
      <artifactId>testng</artifactId>
      <version>7.5</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-firefox-driver</artifactId>
      <version>4.8.3</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>backport-util-concurrent</groupId>
      <artifactId>backport-util-concurrent</artifactId>
      <version>3.1</version>
    </dependency>
    <dependency>
      <groupId>org.openqa.selenium</groupId>
      <artifactId>selenium-rc</artifactId>
      <version>1.0-20081010.060147</version>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>compile</scope>
    </dependency>


  </dependencies>

</project>

Here's the error message I get when launching Test.java :

org.openqa.selenium.SessionNotCreatedException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
Host info: host: 'x', ip: 'x'
Build info: version: '4.8.3', revision: 'e5e76298c3'
System info: os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_171'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
Command: \[null, newSession {capabilities=\[Capabilities {browserName: chrome}\], desiredCapabilities=Capabilities {browserName: chrome}}\]
Capabilities {browserName: chrome}

    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:561)
    at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:229)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:157)
    at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:139)
    at Base.Base.initializeBrowser(Base.java:50)
    at Base.Base.setUp(Base.java:59)
    at Tests.Test.start(Test.java:35)
    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.invokers.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:135)
    at org.testng.internal.invokers.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:65)
    at org.testng.internal.invokers.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:381)
    at org.testng.internal.invokers.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:319)
    at org.testng.TestRunner.invokeTestConfigurations(TestRunner.java:645)
    at org.testng.TestRunner.beforeRun(TestRunner.java:634)
    at org.testng.TestRunner.run(TestRunner.java:596)
    at org.testng.SuiteRunner.runTest(SuiteRunner.java:429)
    at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:423)
    at org.testng.SuiteRunner.privateRun(SuiteRunner.java:383)
    at org.testng.SuiteRunner.run(SuiteRunner.java:326)
    at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
    at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:95)
    at org.testng.TestNG.runSuitesSequentially(TestNG.java:1249)
    at org.testng.TestNG.runSuitesLocally(TestNG.java:1169)
    at org.testng.TestNG.runSuites(TestNG.java:1092)
    at org.testng.TestNG.run(TestNG.java:1060)
    at com.intellij.rt.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:66)
    at com.intellij.rt.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:109)

Caused by: java.lang.NoSuchMethodError: com.google.common.collect.ImmutableMap.of(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Lcom/google/common/collect/ImmutableMap;
at org.openqa.selenium.chrome.AddHasCasting.getAdditionalCommands(AddHasCasting.java:38)
at org.openqa.selenium.remote.Dialect.lambda$bindAdditionalCommands$1(Dialect.java:80)
at java.lang.Iterable.forEach(Iterable.java:75)
at org.openqa.selenium.remote.Dialect.bindAdditionalCommands(Dialect.java:79)
at org.openqa.selenium.remote.Dialect.access$100(Dialect.java:29)
at org.openqa.selenium.remote.Dialect$2.getCommandCodec(Dialect.java:54)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:167)
at org.openqa.selenium.remote.TracedCommandExecutor.execute(TracedCommandExecutor.java:51)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:543)
... 29 more

Before that, when I launched the test, I had a blank GoogleChrome page opening with only an url like "data/". I have tried to run the tests on the firefox browser to make it work but nothing appeared. I have also tried to only launch some random test without using the remote web driver and it works so I am guessing the problem comes from using the remote web driver but I can't tell what is actually wrong.

Original Q&A

There are 3 best solutions below

Pratik On 11 May 2023 at 09:58

try lower version of dependency and make sure to close driver, whenever your works completed or in any exception.

<dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-java</artifactId>
            <version>4.1.1</version>
</dependency>

AptalKiz On 11 May 2023 at 11:48

Part of the problem came from a dependency that wasn't getting installed only with mvn clean install because of some cache issue, to avoid that I had to force the installation by using mvn clean install -U. Now when i launch my test, I still get the same error "could not start a new session." but I also have a blank google Chrome page opening with the url "data:,".

**AptalKiz** · Accepted Answer · 2023-05-25T07:44:20.307000

AptalKiz On 25 May 2023 at 07:44 BEST ANSWER

So i've tried to relaunch the program a couple of weeks later and it worked. Didn't even change anything in the code but anyways, good for me.

Can't run a Selenium test "could not start a new session"

Base class

Test class

pom.xml

There are 3 best solutions below

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