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RemoteWebDriver throws = SessionNotCreatedException : Unable to create session from org.openqa.selenium.remote.NewSessionPayload#57ab6ec1

I'm trying to run a test using Opera browser as a node, hub and node connections are succesful.
Below is for hub and node connections:
Hub > java -jar selenium-server-standalone-3.9.1.jar -role hub
Node > java -Dwebdriver.opera.driver=C:\zip\exe\operadriver_win64\operadriver_win64\operadriver.exe -jar selenium-server-standalone-3.9.1.jar -role node -hub http://192.168.1.10:4444/grid/register -port 5566
When trying to executing the program two Opera browser loads but only blank white pages shown with Not secure data:; on URL and I am also getting this kind of exception.
org.openqa.selenium.SessionNotCreatedException: Unable to create session from org.openqa.selenium.remote.NewSessionPayload#6153fbda
Opera driver and Opera Browser I'm using:
Opera Version: 82.0.4227.58
Opera Driver Version : 96.0.4664.45
Below is the code used:
package Grid;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.By;
import org.openqa.selenium.Platform;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.testng.annotations.*;
public class OperaNode {
static WebDriver driver;
String nodeUrl;
#SuppressWarnings("deprecation")
#BeforeTest
public void OpenBrowser() throws InterruptedException {
try {
nodeUrl = "http://192.168.1.10:5566/wd/hub";
DesiredCapabilities capabilities = DesiredCapabilities.opera();
capabilities.setBrowserName("opera");
capabilities.setPlatform(Platform.WINDOWS);
driver = new RemoteWebDriver(new URL(nodeUrl), capabilities);
driver.manage();
driver.get("http://www.yahoo.com");
driver.manage().window().maximize();
driver.manage().timeouts().pageLoadTimeout(40, TimeUnit.SECONDS);
driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
Thread.sleep(2000);
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
#Test
public void SigninButton() throws InterruptedException {
try {
driver.findElement(By.xpath("//a[#class='_yb_duqkn']")).click();
Thread.sleep(2000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
#AfterTest
public void CloseBrowser() {
driver.quit();
}
}
Below is the console Message:
FAILED CONFIGURATION: #BeforeTest OpenBrowser
org.openqa.selenium.SessionNotCreatedException: Unable to create session from org.openqa.selenium.remote.NewSessionPayload#6153fbda
Build info: version: '3.9.1', revision: '63f7b50', time: '2018-02-07T22:42:28.403Z'
System info: host: 'DESKTOP-KML9RV5', ip: '192.168.1.10', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '16.0.2'
Driver info: driver.version: unknown
Command duration or timeout: 1.94 seconds
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:214)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:166)
at org.openqa.selenium.remote.JsonWireProtocolResponse.lambda$new$0(JsonWireProtocolResponse.java:53)
at org.openqa.selenium.remote.JsonWireProtocolResponse.lambda$getResponseFunction$2(JsonWireProtocolResponse.java:91)
at org.openqa.selenium.remote.ProtocolHandshake.lambda$createSession$0(ProtocolHandshake.java:123)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958)
at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129)
at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:647)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:126)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:73)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:138)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:601)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:219)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:142)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:155)
at Grid.OperaNode.OpenBrowser(OperaNode.java:36)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:385)
at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:321)
at org.testng.TestRunner.invokeTestConfigurations(TestRunner.java:637)
at org.testng.TestRunner.beforeRun(TestRunner.java:627)
at org.testng.TestRunner.run(TestRunner.java:589)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:377)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:371)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:332)
at org.testng.SuiteRunner.run(SuiteRunner.java:276)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1212)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1134)
at org.testng.TestNG.runSuites(TestNG.java:1063)
at org.testng.TestNG.run(TestNG.java:1031)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)
Caused by: org.openqa.selenium.SessionNotCreatedException: Unable to create session from org.openqa.selenium.remote.NewSessionPayload#6153fbda
Build info: version: '3.9.1', revision: '63f7b50', time: '2018-02-07T22:42:28.403Z'
System info: host: 'DESKTOP-KML9RV5', ip: '192.168.1.10', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '16.0.2'
Driver info: driver.version: unknown
Build info: version: '3.9.1', revision: '63f7b50', time: '2018-02-07T22:42:28.403Z'
System info: host: 'DESKTOP-KML9RV5', ip: '192.168.1.10', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '16.0.2'
Driver info: driver.version: unknown
at org.openqa.selenium.remote.server.NewSessionPipeline.lambda$null$4(NewSessionPipeline.java:75)
at java.util.Optional.orElseThrow(Optional.java:403)
at org.openqa.selenium.remote.server.NewSessionPipeline.lambda$createNewSession$5(NewSessionPipeline.java:74)
at java.util.Optional.orElseGet(Optional.java:364)
at org.openqa.selenium.remote.server.NewSessionPipeline.createNewSession(NewSessionPipeline.java:72)
at org.openqa.selenium.remote.server.commandhandler.BeginSession.execute(BeginSession.java:65)
at org.openqa.selenium.remote.server.WebDriverServlet.lambda$handle$0(WebDriverServlet.java:242)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
at java.lang.Thread.run(Thread.java:831)

The RemoteWebDriver url configuration should always be routed to the hub, if using the Selenium Grid setup as your browser stack. The hub will then check for a node which matches your browser request and forward onto that node.
nodeUrl = "http://<hub ip address>:4444/wd/hub";
DesiredCapabilities capabilities = DesiredCapabilities.opera();
capabilities.setBrowserName("opera");
capabilities.setPlatform(Platform.WINDOWS);
driver = new RemoteWebDriver(new URL(nodeUrl), capabilities);

Selenium WebDriver NoElementException while initializing

I have next code:
package pageobjects;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.safari.SafariDriver;
public class MainPage {
WebDriver driver = new SafariDriver();
private String baseURL = "https://www.amazon.com";
private WebElement searchLine = driver.findElement(By.cssSelector("#twotabsearchtextbox"));
private WebElement searchButton = driver.findElement(By.cssSelector("input.nav-input"));
public MainPage(){
driver.get(baseURL);
}
public void searchItem(String query){
searchLine.clear();
searchLine.sendKeys(query);
searchButton.click();
}
}
And test:
import org.testng.annotations.Test;
import pageobjects.MainPage;
public class FirstSimpleTest {
#Test
public void verifySearchWork(){
MainPage mainPage = new MainPage();
mainPage.searchItem("Nike Air Max");
}
}
Before browser runs I have next exception:
org.openqa.selenium.NoSuchElementException:
For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html
Build info: version: '3.14.0', revision: 'aacccce0', time: '2018-08-02T20:19:58.91Z'
System info: host: 'Macbook.connectify', ip: 'fe80:0:0:0:1029:e2f6:81bd:b9e1%en0', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.14.2', java.version: '11'
Driver info: org.openqa.selenium.safari.SafariDriver
Capabilities {acceptInsecureCerts: false, browserName: Safari, browserVersion: 12.0.2, javascriptEnabled: true, platform: MAC, platformName: MAC, setWindowRect: true}
Session ID: 19412DA2-A6E4-40D5-89BE-1CE9310B8697
*** Element info: {Using=css selector, value=#twotabsearchtextbox}
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:187)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:122)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:49)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:158)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:548)
at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:322)
at org.openqa.selenium.remote.RemoteWebDriver.findElementByCssSelector(RemoteWebDriver.java:416)
at org.openqa.selenium.By$ByCssSelector.findElement(By.java:431)
at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:314)
at pageobjects.MainPage.<init>(MainPage.java:14)
at FirstSimpleTest.verifySearchWork(FirstSimpleTest.java:8)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:583)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:719)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:989)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
at org.testng.TestRunner.privateRun(TestRunner.java:648)
at org.testng.TestRunner.run(TestRunner.java:505)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:455)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:450)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:415)
at org.testng.SuiteRunner.run(SuiteRunner.java:364)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:84)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1208)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1137)
at org.testng.TestNG.runSuites(TestNG.java:1049)
at org.testng.TestNG.run(TestNG.java:1017)
at org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:72)
at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:123)
How can I fix it?

before using driver do get an WebElement, you should get a reference by www-address
so use driver to get WebElement after invoke get(baseUrl)
private WebElement searchLine;
public MainPage(){
driver.get(baseURL);
searchLine = driver.findElement(By.cssSelector("#twotabsearchtextbox"));
}

"org.openqa.selenium.WebDriverException" Error displayed in the code

I am unable to find what is the cause of the error "org.openqa.selenium.WebDriverException" in my code, Please help me find and understand the cause much better. Firstly I would like to explain my code, It is a simple code where I go to a website click on "Sign In" link and then click on a text "Email" text field for registration purpose. I have used Page Factory in this code.
I have 3 files.
- Base file (Before and After methods)
- Registration File (Object repository and methods)
- Registration_Testcase File (Calling the methods)
Note: Base and Registration Testcase classes are in one package and Registration is in another package.
**Below is my code:**
Base Class
package testcases;
import org.testng.annotations.BeforeTest;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxProfile;
import org.openqa.selenium.firefox.internal.ProfilesIni;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.annotations.AfterTest;
public class Base {
public WebDriver driver;
public WebDriverWait wait;
#BeforeTest
public void beforeTest() {
ProfilesIni pro = new ProfilesIni();
FirefoxProfile ffProfile = pro.getProfile("vishvesh");
ffProfile.setAcceptUntrustedCertificates(true);
ffProfile.setAssumeUntrustedCertificateIssuer(false);
String base_url = "http://automationpractice.com/index.php";
System.setProperty("webdriver.gecko.driver", "G:/Workplace/AutomationSetupFiles/Geckdriver/geckodriver.exe");
driver = new FirefoxDriver();
driver.get(base_url);
}
#AfterTest
public void afterTest() {
driver.close();
}
}
Registration Class
package pages;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.FindBy;
import org.openqa.selenium.support.PageFactory;
import org.openqa.selenium.support.ui.ExpectedConditions;
import testcases.Base;
public class Registration extends Base{
#FindBy(xpath="//*[#id='header']/div[2]//div[1]/a")
WebElement SignIn;
#FindBy(xpath="//input[#id='email_create']")
WebElement Registration_Email;
public Registration(WebDriver driver){
this.driver=driver;
PageFactory.initElements(driver, this);
}
public void ClickSignIn(){
//wait.until(ExpectedConditions.visibilityOf(SignIn)).click();
SignIn.click();
}
public void EnterEmail(String y){
//wait.until(ExpectedConditions.visibilityOf(Registration_Email)).click();
Registration_Email.click();
Registration_Email.sendKeys(y);
}
}
Registration TestCase Class
package testcases;
import org.testng.annotations.Test;
import pages.Registration;
public class Registatration_testcase extends Base{
#Test
public void f() {
Registration regobj = new Registration(driver);
regobj.ClickSignIn();
regobj.EnterEmail("amdv1991#gmail.com");
}
}
Error What I get:
FAILED CONFIGURATION:
#BeforeTest beforeTest
org.openqa.selenium.WebDriverException:
Build info: version: 'unknown', revision: '8c03df6', time: '2017-03-02 09:32:39 -0800'
System info: host: 'LAPTOP-SCJ4OHK5', ip: '192.168.1.3', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_131'
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{moz:profile=C:\Users\VISHVE~1\AppData\Local\Temp\rust_mozprofile.XaA5YbSD8jeh, rotatable=false, timeouts={implicit=0, pageLoad=300000, script=30000}, pageLoadStrategy=normal, platform=ANY, specificationLevel=0, moz:accessibilityChecks=false, acceptInsecureCerts=false, browserVersion=53.0.3, platformVersion=10.0, moz:processID=7440, browserName=firefox, platformName=windows_nt}]
Session ID: 1ad0b6c1-bb5c-4306-afa6-b4e3dcb62ac1
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:127)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:93)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:42)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:163)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:604)
at org.openqa.selenium.remote.RemoteWebDriver.get(RemoteWebDriver.java:325)
at testcases.Base.beforeTest(Base.java:30)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:108)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:523)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:224)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:146)
at org.testng.TestRunner.beforeRun(TestRunner.java:626)
at org.testng.TestRunner.run(TestRunner.java:594)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:380)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:375)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:340)
at org.testng.SuiteRunner.run(SuiteRunner.java:289)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1301)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1226)
at org.testng.TestNG.runSuites(TestNG.java:1144)
at org.testng.TestNG.run(TestNG.java:1115)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:230)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:76)

I have seemed to have resolved this issue, Looked like there was some compatibility issues. Now I am using the following configurations
selenium 3.4
Firefox browser v48
geckodriver 17

Throws error when I use TimerTask method and WebDriver

In my code, I wanted to do, so that if the test takes more than 10 seconds, the selenium shows the title of the window and closes the window. This code is here:
import java.io.File;
import java.util.Timer;
import org.junit.Assert;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.ie.InternetExplorerDriver;
import org.openqa.selenium.os.WindowsUtils;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
public class SanDemoSearch{
public static long czasStart;
public static void main(String[] args) {
czasStart = System.currentTimeMillis();
System.out.println(czasStart);
File file = new File("C:/automatyzacja/IEDriverServer_Win32_2.44.0/IEDriverServer.exe");
System.setProperty("webdriver.ie.driver", file.getAbsolutePath());
WebDriver driver = new InternetExplorerDriver();
driver.manage().window().maximize();
driver.get("https://www.google.pl/?gws_rd=ssl");
Narzedzia.disableScreenSaver(driver);
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
new WebDriverWait(driver,10).until(ExpectedConditions.visibilityOfElementLocated(By.id("lst-ib")));
driver.findElement(By.id("lst-ib")).sendKeys("Selenium");
driver.findElement(By.id("lst-ib")).sendKeys(Keys.ENTER);
(new WebDriverWait(driver, 10))
.until(ExpectedConditions.presenceOfElementLocated(By.id("resultStats")));
WebElement webElement = driver.findElement(By.xpath("//a[#href='http://www.seleniumhq.org/']"));
Assert.assertNotNull("Not found http://www.seleniumhq.org//",webElement);
webElement.click();
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
driver.findElement(By.id("q")).sendKeys("test",Keys.ENTER);
}
}
and:
import java.awt.AWTException;
import java.awt.MouseInfo;
import java.awt.Point;
import java.awt.Robot;
import java.util.Timer;
import java.util.TimerTask;
import org.openqa.selenium.WebDriver;
public class Narzedzia extends SanDemoSearch{
private static Timer screenSaverDisabler;
public static void disableScreenSaver(final WebDriver driver){
screenSaverDisabler = new Timer();
screenSaverDisabler.scheduleAtFixedRate(new TimerTask() {
Robot r = null;
{
try {
r = new Robot();
} catch (AWTException headlessEnvironmentException) {
screenSaverDisabler.cancel();
}
}
#Override
public void run() {
Point loc = MouseInfo.getPointerInfo().getLocation();
r.mouseMove(loc.x + 1, loc.y);
r.mouseMove(loc.x, loc.y);
long czasEnd = System.currentTimeMillis();
System.out.println(czasEnd);
long difference = (czasEnd - SanDemoSearch.czasStart) / 1000;
System.out.println("difference"+difference);
if(difference > 10){
System.out.println("I can quit application");
driver.getTitle(); //exception: Error 404: Not Found
driver.close();
}
//if()
}
}, 0, 1*1000);
}
}
When I run this code I got error:
Exception in thread "Timer-0" org.openqa.selenium.UnsupportedCommandException: Error 404: Not Found
Not Found
Command duration or timeout: 49 milliseconds
Build info: version: '2.44.0', revision: '76d78cf', time: '2014-10-23 20:03:00'
System info: host: 'SFL000361', ip: '192.168.1.103', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_40'
Driver info: org.openqa.selenium.ie.InternetExplorerDriver
Capabilities [{browserAttachTimeout=0, enablePersistentHover=true, ie.forceCreateProcessApi=false, ie.usePerProcessProxy=false, ignoreZoomSetting=false, handlesAlerts=true, version=10, platform=WINDOWS, nativeEvents=true, ie.ensureCleanSession=false, elementScrollBehavior=0, ie.browserCommandLineSwitches=, requireWindowFocus=false, browserName=internet explorer, initialBrowserUrl=http://localhost:32854/, takesScreenshot=true, javascriptEnabled=true, ignoreProtectedModeSettings=false, enableElementCacheCleanup=true, cssSelectorsEnabled=true, unexpectedAlertBehaviour=dismiss}]
Session ID: 959f1633-48b4-4bb6-b24d-21a919747655
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:204)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:156)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:599)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:614)
at org.openqa.selenium.remote.RemoteWebDriver.getTitle(RemoteWebDriver.java:313)
at Narzedzia$1.run(Narzedzia.java:35)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
and not always I got error:
Exception in thread "main" org.openqa.selenium.remote.SessionNotFoundException: session 4b141e0f-b680-4094-92f7-efaa6ea32e75 does not exist
Command duration or timeout: 9 milliseconds
Build info: version: '2.44.0', revision: '76d78cf', time: '2014-10-23 20:03:00'
System info: host: 'SFL000361', ip: '192.168.1.103', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_40'
Driver info: org.openqa.selenium.ie.InternetExplorerDriver
Capabilities [{browserAttachTimeout=0, enablePersistentHover=true, ie.forceCreateProcessApi=false, ie.usePerProcessProxy=false, ignoreZoomSetting=false, handlesAlerts=true, version=10, platform=WINDOWS, nativeEvents=true, ie.ensureCleanSession=false, elementScrollBehavior=0, ie.browserCommandLineSwitches=, requireWindowFocus=false, browserName=internet explorer, initialBrowserUrl=http://localhost:28022/, takesScreenshot=true, javascriptEnabled=true, ignoreProtectedModeSettings=false, enableElementCacheCleanup=true, cssSelectorsEnabled=true, unexpectedAlertBehaviour=dismiss}]
Session ID: 4b141e0f-b680-4094-92f7-efaa6ea32e75
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:204)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:162)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:599)
at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:352)
at org.openqa.selenium.remote.RemoteWebDriver.findElementById(RemoteWebDriver.java:393)
at org.openqa.selenium.By$ById.findElement(By.java:214)
at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:344)
at SanDemoSearch.main(SanDemoSearch.java:48)
Problem is with line: driver.getTitle. Selenium didn't see driver?

Follow this link: https://code.google.com/p/selenium/wiki/FrequentlyAskedQuestions#Q:_Is_WebDriver_thread-safe?
Q: Is WebDriver thread-safe?
A: WebDriver is not thread-safe. Having said that, if you can
serialise access to the underlying driver instance, you can share a
reference in more than one thread. This is not advisable. You /can/ on
the other hand instantiate one WebDriver instance for each thread.
Your code schedules a task using Timer object. Timer class uses another (background) thread to execute it's tasks - it means that two threads are trying to access the same WebDriver instance at the same time.
You can't use the same driver instance among two threads at the same time, because WebDriver is not thread-safe.

Use this code in java
:-
private static final ThreadLocal < WebDriver > webDriver = new ThreadLocal < WebDriver > () {
#Override protected WebDriver initialValue() {
return webdriver.instance;
}
};

I am trying to close the browser instance on Webdriver but unable to do so

package erewards2;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.Alert;
import org.openqa.selenium.By;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
public class login_sib2 {
public static void main(String[] args) {
FirefoxDriver d1 = new FirefoxDriver();
d1.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
d1.get("https://sib3.erewardsredeem.com/fm/customer.html?action=userLogin");
d1.manage().window().maximize();
WebElement e4 = d1.findElementByLinkText("Login");
e4.click();
d1.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
WebElement e1 = d1.findElement(By.id("showmemberid"));
e1.sendKeys("2800000091");
WebElement e2 = d1.findElementById("showmemberpwd");
e2.sendKeys("Miquser1");
WebElement e3 = d1.findElementByClassName("loginbtn");
e3.click();
WebElement e5 = d1.findElementByLinkText("Logout");
e5.click();
Alert a1 = d1.switchTo().alert(); //web based alert
WebDriverWait wait = new WebDriverWait(d1,10);
wait.until(ExpectedConditions.alertIsPresent()).accept();
a1.accept();
System.out.println("test1");
//close Firefox
d1.close();
System.out.println("test2");
// exit the program explicitly
System.exit(0);
System.out.println("test3");
}
}
I added the system.out println lines for test purpose and found that My code did not able to execute completely from Test1 statement. Below is the exception I got on my Eclipse IDE.
Exception in thread "main" org.openqa.selenium.NoAlertPresentException: No alert is present (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 13.82 seconds
Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:18:15'
System info: host: 'pcs-PC', ip: '192.168.1.64', os.name: 'Windows 7', os.arch: 'x86', os.version: '6.1', java.version: '1.7.0_25'
Session ID: 59fe366a-5fdc-4763-a6f2-0860bf1378be
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{platform=XP, acceptSslCerts=true, javascriptEnabled=true, cssSelectorsEnabled=true, databaseEnabled=true, browserName=firefox, handlesAlerts=true, browserConnectionEnabled=true, webStorageEnabled=true, nativeEvents=false, rotatable=false, locationContextEnabled=true, applicationCacheEnabled=true, takesScreenshot=true, version=30.0}]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:193)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:595)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:610)
at org.openqa.selenium.remote.RemoteWebDriver$RemoteAlert.accept(RemoteWebDriver.java:910)
at erewards2.login_sib2.main(login_sib2.java:40)

It looks like it fails before it gets to the close statement.
Try structuring your code like this:
FirefoxDriver d1 = new FirefoxDriver();
try {
// steps
}
finally {
d1.close();
}
This will guarantee the close statement is executed.

You can try using d1.quit() too.