WebDriverException: java.net.ConnectException: Failed to connect to localhost error with Selenium 3 and chromedriver on MacOS

Question

Hi I have this weird issue. I am not able to run tests with chromedriver on my Mac. I have searched every possible corner here and none seems to help. My browser is launched, but it freezes just before the driver.get(url) is called.

My environment: MacOS High Sierra, Latest chromedriver as of 12March 2018, Latest selenium 3.10, Latest TestNG 6.14

My code:

public class Temp {

@Test()
public void test1() {
    System.setProperty("webdriver.chrome.driver", "src/test/resources/chromedriver");
    ChromeOptions options = new ChromeOptions();
    options.addArguments("--test-type");
    options.addArguments("ignore-certificate-errors");
    WebDriver driver = new ChromeDriver(options);
    driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
    driver.manage().window().maximize();

    driver.get("https://www.google.co.in/");
    driver.quit();
}
}

Exception I'm getting is:

[RemoteTestNG] detected TestNG version 6.14.2 Starting ChromeDriver (v2.9.248307) on port 34979 [warn] kq_init: detected broken kqueue; not using.: Undefined error: 0 Mar 12, 2018 7:06:13 AM org.openqa.selenium.remote.ProtocolHandshake createSession INFO: Detected dialect: OSS FAILED: test1 org.openqa.selenium.WebDriverException: java.net.ConnectException: Failed to connect to localhost/0:0:0:0:0:0:0:1:34979 Build info: version: '3.10.0', revision: '176b4a9', time: '2018-03-02T19:03:16.397Z' System info: host: 'sandeep-MacBook-Pro.local', ip: '192.168.0.100', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.13.3', java.version: '1.8.0_101' Driver info: driver.version: RemoteWebDriver at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:92) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:601) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:658) at org.openqa.selenium.remote.RemoteWebDriver$RemoteWebDriverOptions$RemoteWindow.maximize(RemoteWebDriver.java:892) at com.pareek.framework.tests.Temp.test1(Temp.java:22) 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:124) at org.testng.internal.Invoker.invokeMethod(Invoker.java:580) at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:716) at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:988) 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.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:114) at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251) at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77) Caused by: java.net.ConnectException: Failed to connect to localhost/0:0:0:0:0:0:0:1:34979 at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.java:240) at okhttp3.internal.connection.RealConnection.connect(RealConnection.java:158) at okhttp3.internal.connection.StreamAllocation.findConnection(StreamAllocation.java:256) at okhttp3.internal.connection.StreamAllocation.findHealthyConnection(StreamAllocation.java:134) at okhttp3.internal.connection.StreamAllocation.newStream(StreamAllocation.java:113) at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:42) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:93) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:125) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:200) at okhttp3.RealCall.execute(RealCall.java:77) at org.openqa.selenium.remote.internal.OkHttpClient.execute(OkHttpClient.java:101) at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:157) at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83) ... 29 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at okhttp3.internal.platform.Platform.connectSocket(Platform.java:125) at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.java:238) ... 49 more

===============================================

Default test

> Tests run: 1, Failures: 1, Skips: 0

=============================================== Default suite

Total tests run: 1, Failures: 1, Skips: 0

Edit: If I remove comment out driver.manage().window().maximize(); function, the exception log is as below:

[RemoteTestNG] detected TestNG version 6.14.2 Starting ChromeDriver (v2.9.248307) on port 22528 [warn] kq_init: detected broken kqueue; not using.: Undefined error: 0 Mar 12, 2018 7:29:29 AM org.openqa.selenium.remote.ProtocolHandshake createSession INFO: Detected dialect: OSS FAILED: test1 org.openqa.selenium.WebDriverException: unknown error: Runtime.executionContextCreated has invalid 'context': {"auxData":{"frameId":"8045B2382F1BD52FB2B8744951B53B43","isDefault":true},"id":1,"name":"","origin":"://"} (Session info: chrome=65.0.3325.146) (Driver info: chromedriver=2.9.248307,platform=Mac OS X 10.13.3 x86_64) (WARNING: The server did not provide any stacktrace information) Command duration or timeout: 0 milliseconds Build info: version: '3.10.0', revision: '176b4a9', time: '2018-03-02T19:03:16.397Z' System info: host: 'sandeep-MacBook-Pro.local', ip: '192.168.0.100', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.13.3', java.version: '1.8.0_101' Driver info: org.openqa.selenium.chrome.ChromeDriver Capabilities {acceptSslCerts: true, applicationCacheEnabled: false, browserConnectionEnabled: false, browserName: chrome, chrome: {userDataDir: /var/folders/3t/p4sy21xx2cb...}, cssSelectorsEnabled: true, databaseEnabled: false, handlesAlerts: true, javascriptEnabled: true, locationContextEnabled: true, nativeEvents: true, platform: MAC, platformName: MAC, rotatable: false, takesHeapSnapshot: true, takesScreenshot: true, version: 65.0.3325.146, webStorageEnabled: true} Session ID: 2301d210d1a4f56bab558a8111d856c4 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:214) at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:166) at org.openqa.selenium.remote.http.JsonHttpResponseCodec.reconstructValue(JsonHttpResponseCodec.java:40) at org.openqa.selenium.remote.http.AbstractHttpResponseCodec.decode(AbstractHttpResponseCodec.java:80) at org.openqa.selenium.remote.http.AbstractHttpResponseCodec.decode(AbstractHttpResponseCodec.java:44) at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:160) at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:601) at org.openqa.selenium.remote.RemoteWebDriver.get(RemoteWebDriver.java:325) at com.pareek.framework.tests.Temp.test1(Temp.java:24) 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:124) at org.testng.internal.Invoker.invokeMethod(Invoker.java:580) at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:716) at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:988) 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.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:114) at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251) at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)

===============================================

Default test

> Tests run: 1, Failures: 1, Skips: 0

=============================================== Default suite

Total tests run: 1, Failures: 1, Skips: 0

Additional Info: I have tried to do a regression by using older version of chromedriver, older version of TestNG, older version of selenium, but none seems to be working.

Thanks in advance.

Answer 1

The error says it all :

[RemoteTestNG] detected TestNG version 6.14.2 Starting ChromeDriver (v2.9.248307) on port 34979 
[warn] kq_init: detected broken kqueue; not using.: Undefined error: 0 Mar 12, 2018 7:06:13 AM 
org.openqa.selenium.remote.ProtocolHandshake createSession 
INFO: Detected dialect: OSS FAILED: test1
org.openqa.selenium.WebDriverException: java.net.ConnectException: Failed to connect to localhost/0:0:0:0:0:0:0:1:34979 
Build info: version: '3.10.0', revision: '176b4a9', time: '2018-03-02T19:03:16.397Z' 
System info: host: 'sandeep-MacBook-Pro.local', ip: '192.168.0.100', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.13.3', java.version: '1.8.0_101'

Your main issue is the version compatibility between the binaries you are using as follows :

• You are using chromedriver=v2.9
• Release Notes of chromedriver=2.9 clearly mentions the following :

Supports Chrome v31-34

• Your Chrome Browser version is unknown to us. (assuming Chrome Browser is updated to v65.x level)
• Your Selenium Client version is 3.10.0.
• Your JDK version is 1.8.0_101 which is pretty ancient.

So there is a clear mismatch between the JDK v8u101 , Selenium Client v3.10.0 , ChromeDriver version (v2.9) and the current Chrome Browser version (v65.0)

Solution

• Upgrade JDK to recent levels JDK 8u162.
• Keep Selenium to current levels Version 3.10.0.
• Upgrade ChromeDriver to stable ChromeDriver v2.36 level.
• Keep Chrome version at Chrome v65.x levels. (as per ChromeDriver v2.36 release notes)
• Clean your Project Workspace through your IDE and Rebuild your project with required dependencies only.
• Use CCleaner tool to wipe off all the OS chores before and after the execution of your test Suite.
• If your base Chrome version is too old, then uninstall it through Revo Uninstaller and install a recent GA and released version of Chrome.
• Execute your @Test.