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Not able to implement selenium grid

Below is my code which I am using to pass browser, node and hub port to launch browser and execute the tests but i get exception although I am able to set up selenium server. I paste error below of the code too. I use mac book, Selenium 3.4, Firefox 55 and Gecko 0.18.0
public synchronized WebDriver setUp(String browser, String
nodePort, String hubPort) throws MalformedURLException{
DesiredCapabilities capabilities = new DesiredCapabilities();
capabilities.setPlatform(Platform.MAC);
capabilities.setCapability(CapabilityType.BROWSER_NAME, browser);
capabilities.setCapability(ForSeleniumServer.PROXYING_EVERYTHING,
true);
capabilities.setCapability(CapabilityType.ACCEPT_SSL_CERTS, true);
capabilities.setCapability(CapabilityType.SUPPORTS_ALERTS, true);
capabilities.setCapability(CapabilityType.SUPPORTS_JAVASCRIPT,
true);
if(browser.equals("firefox"))
System.setProperty("webdriver.gecko.driver",
System.getProperty("user.dir")+"//geckoDriver//geckodriver");
else if(browser.equals("chrome"))
System.setProperty("webdriver.chrome.driver",
System.getProperty("user.dir")+"//chromeDriver//chromeDriver");
driver = new RemoteWebDriver(new
URL("http://localhost:"+nodePort+"/wd/hub"), capabilities);
driver.get("https://www.bookbaby.com");
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(15, TimeUnit.SECONDS);
System.out.println(driver.toString());
return driver;
Error is
org.openqa.selenium.WebDriverException: The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases
Command duration or timeout: 1.41 seconds
Build info: version: '3.4.0', revision: 'unknown', time: 'unknown'
System info: host: 'Refaques-MacBook-Pro.local', ip: '192.168.108.206', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.12.6', java.version: '1.8.0_144'
Driver info: driver.version: Driver
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:423)
at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:215)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:167)
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$22(ProtocolHandshake.java:365)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958)
at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:368)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:159)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:142)
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.(RemoteWebDriver.java:137)
at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:174)
at com.bookbaby.driver.Driver.setUp(Driver.java:55)
at com.bookbaby.executor.RunCukesByFeatureForFirefox.setUpClass(RunCukesByFeatureForFirefox.java:45)
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:86)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:514)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:215)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:142)
at org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:178)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:108)
at org.testng.TestRunner.privateRun(TestRunner.java:782)
at org.testng.TestRunner.run(TestRunner.java:632)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:366)
at org.testng.SuiteRunner.access$000(SuiteRunner.java:39)
at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:400)
at org.testng.internal.thread.ThreadUtil$2.call(ThreadUtil.java:64)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases
at com.google.common.base.Preconditions.checkState(Preconditions.java:738)
at org.openqa.selenium.remote.service.DriverService.findExecutable(DriverService.java:124)
at org.openqa.selenium.firefox.GeckoDriverService.access$100(GeckoDriverService.java:41)
at org.openqa.selenium.firefox.GeckoDriverService$Builder.findDefaultExecutable(GeckoDriverService.java:115)
at org.openqa.selenium.remote.service.DriverService$Builder.build(DriverService.java:330)
at org.openqa.selenium.firefox.FirefoxDriver.toExecutor(FirefoxDriver.java:207)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:108)
at org.openqa.selenium.firefox.FirefoxDriver.(FirefoxDriver.java:137)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.openqa.selenium.remote.server.FirefoxDriverProvider.callConstructor(FirefoxDriverProvider.java:81)
at org.openqa.selenium.remote.server.FirefoxDriverProvider.newInstance(FirefoxDriverProvider.java:63)
at org.openqa.selenium.remote.server.DefaultDriverFactory.newInstance(DefaultDriverFactory.java:60)
at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(DefaultSession.java:222)
at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(DefaultSession.java:209)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:176)
... 3 more
Below is my log from command prompt
13:25:14.249 INFO - Selenium build
info: version: '3.4.0', revision: 'unknown'
13:25:14.249 INFO - Launching a Selenium Grid node
2017-09-12 13:25:14.814:INFO::main: Logging initialized #833ms to
org.seleniumhq.jetty9.util.log.StdErrLog
13:25:14.864 INFO - Driver provider
org.openqa.selenium.ie.InternetExplorerDriver registration is skipped:
registration capabilities Capabilities [{ensureCleanSession=true,
browserName=internet explorer, version=, platform=WINDOWS}] does not
match the current platform MAC
13:25:14.864 INFO - Driver provider org.openqa.selenium.edge.EdgeDriver
registration is skipped:
registration capabilities Capabilities [{browserName=MicrosoftEdge,
version=, platform=WINDOWS}] does not match the current platform MAC
13:25:14.864 INFO - Driver class not found:
com.opera.core.systems.OperaDriver
13:25:14.864 INFO - Driver provider com.opera.core.systems.OperaDriver
registration is skipped:
Unable to create new instances on this machine.
13:25:14.865 INFO - Driver class not found:
com.opera.core.systems.OperaDriver
13:25:14.865 INFO - Driver provider com.opera.core.systems.OperaDriver
is not registered
2017-09-12 13:25:14.899:INFO:osjs.Server:main: jetty-9.4.3.v20170317
2017-09-12 13:25:14.938:INFO:osjsh.ContextHandler:main: Started
o.s.j.s.ServletContextHandler#e056f20{/,null,AVAILABLE}
2017-09-12 13:25:14.963:INFO:osjs.AbstractConnector:main: Started
ServerConnector#39529185{HTTP/1.1,[http/1.1]}{0.0.0.0:5556}
2017-09-12 13:25:14.963:INFO:osjs.Server:main: Started #982ms
13:25:14.963 INFO - Selenium Grid node is up and ready to register to
the hub
13:25:14.983 INFO - Starting auto registration thread. Will try to
register every 5000 ms.
13:25:14.983 INFO - Registering the node to the hub:
http://localhost:4445/grid/register
13:25:15.044 INFO - The node is registered to the hub and ready to use
13:25:20.205 INFO - SessionCleaner initialized with
insideBrowserTimeout 0 and clientGoneTimeout 1800000 polling every
180000
13:26:11.724 INFO - Executing: [new session: Capabilities
[{proxyEverything=true, acceptSslCerts=true, marionette=true,
acceptInsecureCerts=true, browserName=firefox, javascriptEnabled=true,
handlesAlerts=true, version=, platform=MAC}]])
13:26:11.738 INFO - Creating a new session for Capabilities
[{proxyEverything=true, acceptSslCerts=true, marionette=true,
acceptInsecureCerts=true, browserName=firefox, javascriptEnabled=true,
handlesAlerts=true, version=, platform=MAC}]
13:26:11.770 WARN - Exception thrown
java.util.concurrent.ExecutionException:
org.openqa.selenium.WebDriverException:
java.lang.reflect.InvocationTargetException
Build info: version: '3.4.0', revision: 'unknown', time: 'unknown'
System info: host: 'XXXXXX-MacBook-Pro.local', ip: '192.168.108.206',
os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.12.6',
java.version: '1.8.0_144'
Driver info: driver.version: unknown
13:26:11.777 WARN - Exception: The path to the driver executable must
be set by the webdriver.gecko.driver system property; for more
information, see https://github.com/mozilla/geckodriver. The latest
version can be downloaded from
https://github.com/mozilla/geckodriver/releases

please set environment variable webdriver.gecko.driver in your machine and its value.
or you can pass the parameter webdriver.gecko.driver while starting your hub or registering your node. like
java -Dwebdriver.gecko.driver="path to the gecko driver" {jar} -role node/hub

Firstly say the issue in your code, if you want to use the selenium server/grid please specify the webdriver path in command line when start selenium server,rather than specify by code. so below code is unnecessary, they are only necessary when you choose run test not using selenium server/grid, we call it 'directConnect' (your script communicate directly with webdriver.exe)
if(browser.equals("firefox"))
System.setProperty("webdriver.gecko.driver",
System.getProperty("user.dir")+"//geckoDriver//geckodriver");
else if(browser.equals("chrome"))
System.setProperty("webdriver.chrome.driver",
System.getProperty("user.dir")+"//chromeDriver//chromeDriver");
register node to hub argument example to specify webdriver.exe path:
java
-Dwebdriver.chrome.driver=C:\selenium\chromedriver_2.32.exe
-Dwebdriver.gecko.driver=C:\selenium\geckodriver-v0.18.0.exe
-jar C:\selenium\selenium-server-standalone-3.4.0.jar
-role node
-port 4446
Reminder: please check the standalone.jar, specified webdriver.exe and browser on node are compatible with each other, otherwise the node will fail to launch browser in testing.

Selenium ElementNotInteractableException

I'm trying to automate certifications online but it is preventing me from clicking on a link to proceed to the form page.
I've used the other solutions given by others and went from not able to finding the element to getting org.openqa.selenium.ElementNotInteractableException:
Here's a snippet of my code
List<WebElement> linkList = driver.findElements(By.tagName("a"));
for(int i = 0; i < linkList.size(); i++){
System.out.println(linkList.get(i).getAttribute("href"));
if(linkList.get(i).getAttribute(("href")).contains("student")){
linkList.get(i).click();
}
}
Basically I used the loop to find which tagName contained the link I needed, but here's the error:
Jul 11, 2017 7:49:21 PM org.openqa.selenium.remote.ProtocolHandshake createSession
INFO: Detected dialect: W3C
org.openqa.selenium.ElementNotInteractableException:
Build info: version: '3.4.0', revision: 'unknown', time: 'unknown'
System info: host: 'DESKTOP-35FGBMU', ip: '192.168.1.117', os.name: 'Windows 10', os.arch: 'x86', os.version: '10.0', java.version: '1.8.0_131'
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{moz:profile=C:\Users\pizza\AppData\Local\Temp\rust_mozprofile.Heg8gMUCnERq, rotatable=false, timeouts={implicit=0.0, pageLoad=300000.0, script=30000.0}, pageLoadStrategy=normal, platform=ANY, specificationLevel=0.0, moz:accessibilityChecks=false, acceptInsecureCerts=false, browserVersion=54.0.1, platformVersion=10.0, moz:processID=7448.0, browserName=firefox, javascriptEnabled=true, platformName=windows_nt}]
Session ID: 322f496f-033f-4ccf-a0ab-324182e773b3
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:423)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:150)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:115)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:45)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:164)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:637)
at org.openqa.selenium.remote.RemoteWebElement.execute(RemoteWebElement.java:272)
at org.openqa.selenium.remote.RemoteWebElement.click(RemoteWebElement.java:82)
at com.Certify.startCertify(Certify.java:53)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
I've also never seen anyone with ElementNotInteractableException, but a similar variant of it that is similar (I think)
"Element is not currently interactable and may not be manipulated"
Here's the relevant HTML:
<li class="list label"
Manage My Students
</li>
Any help would be appreciated
EDIT: Found a way to go around it by using
driver.navigate().to(String.valueOf(linkList.get(i).getAttribute("href")));
But would really like to know how to do it properly as I don't think this is the way.

Assumption 1: There are some hidden links. You have to skip them by checking isDisplayed().
List<WebElement> linkList = driver.findElements(By.tagName("a"));
for(int i = 0; i < linkList.size(); i++){
System.out.println(linkList.get(i).getAttribute("href"));
if(linkList.get(i).getAttribute(("href")).contains("student") && linkList.get(i).isDisplayed()){
linkList.get(i).click();
}
}
Assumption 2: Some elements are being render on top of some links. You have to wait until they are clickable.
List<WebElement> linkList = driver.findElements(By.tagName("a"));
for(int i = 0; i < linkList.size(); i++){
WebDriverWait wait = new WebDriverWait(driver, TimeSpan.FromSeconds(10));
System.out.println(linkList.get(i).getAttribute("href"));
if(linkList.get(i).getAttribute(("href")).contains("student")){
try {
wait.until(ExpectedConditions.elementToBeClickable(linkList.get(i));
linkList.get(i).click();
} catch (Exception e) {
System.out.println("Unable to click on " + linkList.get(i).getAttribute("href") + ". Exception: " + e.printStackTrace());
}
}
}

Unable to open firefox browser in Jenkins using selenium webdriver

I'm using Selenium version 3.4.0 and geckodriver version 0.16.1. My firfox version is 52.0.1.
I have started Jenkins server through command line java -jar jenkins.war
Jenkins server is working fine. But when I tried to execute Jenkins parameterized job (maven test) firefox opens for a moment and closes immediately.
Here is my trace log:
Running TestSuite
Before Test::com.sample.jenkins_demo.LoginTest
1495542214304 geckodriver INFO Listening on 127.0.0.1:20563
1495542215003 mozprofile::profile INFO Using profile path C:\Users\X--TM\AppData\Local\Temp\rust_mozprofile.Ec9pWyDHao34
1495542215020 geckodriver::marionette INFO Starting browser C:\Program Files\Mozilla Firefox\firefox.exe
1495542215057 geckodriver::marionette INFO Connecting to Marionette on localhost:60423
1495542216346 Marionette INFO Listening on port 60423
1495542216787 Marionette WARN TLS certificate errors will be ignored for this session
May 23, 2017 5:53:37 PM org.openqa.selenium.remote.ProtocolHandshake createSession
INFO: Detected dialect: W3C
org.openqa.selenium.InvalidArgumentException: Missing 'type' parameter
Build info: version: '3.4.0', revision: 'unknown', time: 'unknown'
System info: host: 'X-TM', ip: '192.168.139.1', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_102'
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{moz:profile=C:\Users\X--TM\AppData\Local\Temp\rust_mozprofile.Ec9pWyDHao34, rotatable=false, timeouts={implicit=0.0, page load=300000.0, script=30000.0}, pageLoadStrategy=normal, platform=ANY, specificationLevel=0.0, moz:accessibilityChecks=false, acceptInsecureCerts=true, browserVersion=52.0.1, platformVersion=10.0, moz:processID=10620.0, browserName=firefox, javascriptEnabled=true, platformName=windows_nt}]
Session ID: ec7c23fa-a0b3-4f54-b017-bd192830db16
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:423)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:150)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:115)
at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:45)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:164)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:637)
at org.openqa.selenium.remote.RemoteWebDriver$RemoteWebDriverOptions$RemoteTimeouts.implicitlyWait(RemoteWebDriver.java:868)
at com.sample.jenkins_demo.Base.setUp(Base.java:129)
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:85)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:517)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:140)
at org.testng.TestRunner.beforeRun(TestRunner.java:645)
at org.testng.TestRunner.run(TestRunner.java:613)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:357)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:352)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:310)
at org.testng.SuiteRunner.run(SuiteRunner.java:259)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1199)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1124)
at org.testng.TestNG.run(TestNG.java:1032)
at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:295)
at org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:84)
at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:90)
at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
Before Method::com.sample.jenkins_demo.LoginTest
If I use chrome browser it is working fine in Jenkins.
NOTE: Same test is executing locally fine on firefox and chrome browser both.
My firefox configuration:
public static WebDriver driver = null;
DesiredCapabilities capabilities = DesiredCapabilities.firefox();
capabilities.setCapability("marionette", true);
driver = new FirefoxDriver(capabilities);
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
driver.get("https://www.google.co.in");
Can anyone help me to resolve this issue ?

Here is the Answer to your Question:
The error says it all Missing 'type' parameter
It was a known issue on Missing 'type' parameter Build info: version: '3.4.0' on Selenium with Mozilla Firefox. You can find the discussion here.
Upgrading to Mozilla Firefox 53.x will solve your issue.
Let me know if this Answers your Question.

Java Selenium Webdriver Connection Refused

I am getting the all too common connection refused error on my selenium webdriver. The same code was executing a few weeks ago.
I have been reading in circles through existing posts and have tried updating geckodriver and FireFox to no avail. I can run the same code on another computer running the same versions of the driver, browser and libraries etc. How can I find the cause specific to this machine? the error is below.
Debug 1
Debug 2
Debug 3
Exception in thread "main" org.openqa.selenium.WebDriverException: org.apache.http.conn.HttpHostConnectException: Connect to localhost:28379 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect Build info: version: 'unknown', revision: 'unknown', time: 'unknown' System info: host: 'LT9LTDRC2', ip: '10.130.3.15', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_131' Driver info: driver.version: Gecko_Driver
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:91)
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.firefox.FirefoxDriver.<init>(FirefoxDriver.java:191) at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:108) at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:137) at seleniumPrograms.Gecko_Driver.main(Gecko_Driver.java:13)
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:28379 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
at org.openqa.selenium.remote.internal.ApacheHttpClient.fallBackExecute(ApacheHttpClient.java:139)
at org.openqa.selenium.remote.internal.ApacheHttpClient.execute(ApacheHttpClient.java:87)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:343)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:159)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:142)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82) ... 8 more
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ... 23 more
And I get this running even the following basic code.
enter code here
package seleniumPrograms;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
public class Gecko_Driver {
public static void main(String[] args) {
System.out.println("Debug 1");
DesiredCapabilities capabilities=DesiredCapabilities.firefox();
System.out.println("Debug 2");
capabilities.setCapability("marionette", true);
System.out.println("Debug 3");
WebDriver driver = new FirefoxDriver(capabilities);
System.out.println("Debug 4");
driver.get("http://www.google.com");
driver.manage().window().maximize();
driver.quit();
}
}
Example with chrome.
#Test
public void testGoogleSearch() throws InterruptedException {
// Optional, if not specified, WebDriver will search your path for chromedriver.
System.setProperty("webdriver.chrome.driver", "C:\\chromedriver_win32\\chromedriver.exe");
WebDriver driver = new ChromeDriver();
driver.get("http://www.google.com/xhtml");
Thread.sleep(5000); // Let the user actually see something!
WebElement searchBox = driver.findElement(By.name("q"));
searchBox.sendKeys("ChromeDriver");
searchBox.submit();
Thread.sleep(5000); // Let the user actually see something!
driver.quit();
}
Failure trace:
org.openqa.selenium.WebDriverException: Timed out waiting for driver server to start.
Build info: version: 'unknown', revision: 'unknown', time: 'unknown'
System info: host: 'LT9LTDRC2', ip: '192.168.1.6', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_131'
Driver info: driver.version: Gecko_Driver
at org.openqa.selenium.remote.service.DriverService.waitUntilAvailable(DriverService.java:193)
at org.openqa.selenium.remote.service.DriverService.start(DriverService.java:181)
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.(RemoteWebDriver.java:137)
at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:184)
at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:171)
at org.openqa.selenium.chrome.ChromeDriver.(ChromeDriver.java:124)
at seleniumPrograms.Gecko_Driver.testGoogleSearch(Gecko_Driver.java:16)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: org.openqa.selenium.net.UrlChecker$TimeoutException: Timed out waiting for [http://localhost:31675/status] to be available after 20002 ms
at org.openqa.selenium.net.UrlChecker.waitUntilAvailable(UrlChecker.java:107)
at org.openqa.selenium.remote.service.DriverService.waitUntilAvailable(DriverService.java:190)
... 33 more
Caused by: com.google.common.util.concurrent.UncheckedTimeoutException: java.util.concurrent.TimeoutException
at com.google.common.util.concurrent.SimpleTimeLimiter.callWithTimeout(SimpleTimeLimiter.java:140)
at org.openqa.selenium.net.UrlChecker.waitUntilAvailable(UrlChecker.java:80)
... 34 more
Caused by: java.util.concurrent.TimeoutException
at java.util.concurrent.FutureTask.get(Unknown Source)
at com.google.common.util.concurrent.SimpleTimeLimiter.callWithTimeout(SimpleTimeLimiter.java:128)
... 35 more

Our security dept introduced a policy which blocked access to the execution of the geckodriver.exe. This was identified by attempting to run from cmd. Not sure why I didn't get the meaningful error in the IDE (blocked by group policy) for gecko, I did get this error for chrome and IE. In order to use the driver it needed to be saved in Program files though this may be specific to my situation. If you get this error for Geckodriver i would suggest trying to execute it from cmd to see if there is a policy issue.

Here is the solution to your Question:
I don't see any error as such in your code but the error stack trace HttpHostConnectException says it all.
Perform the following steps:
I don't see any necessity to use throws InterruptedException, you may consider to remove it.
As per best practices try to keep the geckodriver in convenient locations: e.g. C:\\your_directory.
Avoid using directory names with Temp.
Though you have taken help of DesiredCapabilities Class, you haven't passed it while you initiated the driver instance. You must be doing:
WebDriver driver = new FirefoxDriver(capabilities);
Clear your Mozilla Firefox Browser cache.
From the Windows Task Manager, manually kill all the running instances of geckodriver.exe
You may require to run the CCleaner to keep off all the unwanted stuff.
Restart you machine.
Execute your Test. It should work well.
At the end of your Test Step do call driver.quit() to prevent geckodriver instances from dangling.
Here is your own working code block adding the System.setProperty line:
System.setProperty("webdriver.gecko.driver", "C:\\your_directory\\geckodriver.exe");
System.out.println("Debug 1");
DesiredCapabilities capabilities=DesiredCapabilities.firefox();
System.out.println("Debug 2");
capabilities.setCapability("marionette", true);
System.out.println("Debug 3");
WebDriver driver = new FirefoxDriver(capabilities);
System.out.println("Debug 4");
driver.get("http://www.google.com");
driver.manage().window().maximize();
driver.quit();
Let me know if this helps you.

I was facing the same error here. After a system reboot, the code worked just fine.
My problem was that my code left some processes open at the end, and they were using a lot of RAM.
Try running:
pkill geckodriver
pkill firefox
pkill selenium
And then run your code again.

Selenium Safari Time out using findElement.sendkeys

I am trying to test my website with Selenium on Safari using Eclipse Luna.
My website uses Login with Twitter.
When I try to send key to an input on api.twitter.com I have a timeout.
Note that I have already tried "send keys" on google using the wiki page of Selenium even on www.twitter.com and it is working fine.
I do not understand why it is not working on api.twitter.com.
I thought the problem was my website, then I tested the same code on another website also using twitter authentication and I had the same error.
I even tried using javascriptExecutor to fill the value of the input and I also had a time out.
Could anyone please help me?
Please find below my code and the trace I have in my console.
package com.fxlabs.wonderboard.nodeTest;
import static org.junit.Assume.assumeTrue;
import org.openqa.selenium.By;
import org.openqa.selenium.Platform;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.safari.SafariDriver;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
#RunWith(JUnit4.class)
public class BrowserTest {
private WebDriver driver = null;
private static boolean isSupportedPlatform() {
Platform current = Platform.getCurrent();
return Platform.MAC.is(current) || Platform.WINDOWS.is(current);
}
#Before
public void createDriver() {
assumeTrue(isSupportedPlatform());
driver = new SafariDriver();
}
#After
public void quitDriver() {
driver.quit();
}
#Test
public void shouldBeAbleToPerformAGoogleSearch() {
driver.get("http://tweetbeam.com");
new WebDriverWait(driver, 3).until(ExpectedConditions.titleIs("TweetBeam Twitter Wall - Visualize Live Tweets"));
driver.findElement(By.className("navbar-right")).findElement(By.tagName("a")).click();
new WebDriverWait(driver, 3).until(ExpectedConditions.titleIs("Twitter / Autoriser une application"));
driver.findElement(By.id("username_or_email")).sendKeys("TwitterUsername");
driver.findElement(By.id("username_or_email")).sendKeys("password");
}
}
Failure Trace:
org.openqa.selenium.TimeoutException: Timed out awaiting response to command "sendKeysToElement" after 30001 ms (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 30.01 seconds
Build info: version: '2.44.0', revision: '76d78cf323ce037c5f92db6c1bba601c2ac43ad8', time: '2014-10-23 13:11:40'
System info: host: 'xxx', ip: 'xxx', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.9.5', java.version: '1.6.0_65'
Session ID: null
Driver info: org.openqa.selenium.safari.SafariDriver
Capabilities [{platform=MAC, cssSelectorsEnabled=true, javascriptEnabled=true, secureSsl=true, browserName=safari, takesScreenshot=true, version=7.1.4}]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
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.RemoteWebElement.execute(RemoteWebElement.java:268)
at org.openqa.selenium.remote.RemoteWebElement.sendKeys(RemoteWebElement.java:89)
at com.fxlabs.wonderboard.nodeTest.BrowserTest.shouldBeAbleToPerformAGoogleSearch(BrowserTest.java:44)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

You're trying to send the email and password to the same field there aren't you?
driver.FindElement(By.Id("username_or_email")).SendKeys("TwitterUsername");
driver.FindElement(By.Id("password")).SendKeys("password");
This works fine for me.
However be careful as the page behaves differently if it detects you are logged in to twitter already. You get a popup with some dialog welcoming you.