Error.java

```
org.openqa.selenium.WebDriverException: java.io.EOFException: End of input at line 1 column 1cannot extract a capabilities from the request: 
Command duration or timeout: 754 milliseconds

	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.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.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: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 SimpleGridTest.simpleGridTest(SimpleGridTest.java:19)
	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:108)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:661)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:869)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1193)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:126)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
	at org.testng.TestRunner.privateRun(TestRunner.java:744)
	at org.testng.TestRunner.run(TestRunner.java:602)
	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.IDEARemoteTestNG.run(IDEARemoteTestNG.java:72)
	at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:123)
Caused by: org.openqa.selenium.WebDriverException: java.io.EOFException: End of input at line 1 column 1cannot extract a capabilities from the request: 
Build info: version: ‘3.9.1’, revision: ‘63f7b50’, time: ‘2018-02-07T22:25:02.294Z’
System info: host: ‘Diegos-MacBook-Pro.local’, ip: ‘192.168.1.13’, os.name: ‘Mac OS X’, os.arch: ‘x86_64’, os.version: ‘10.13.3’, java.version: ‘1.8.0_152’
Driver info: driver.version: unknown
	at net.element34.launchers.HubLauncher.lambda$connectByeBuddy$5(HubLauncher.java:217)
	at org.openqa.grid.web.servlet.handler.WebDriverRequest.extractDesiredCapability(WebDriverRequest.java:76)
	at org.openqa.grid.web.servlet.handler.SeleniumBasedRequest.<init>(SeleniumBasedRequest.java:102)
	at org.openqa.grid.web.servlet.handler.WebDriverRequest.<init>(WebDriverRequest.java:36)
	at org.openqa.grid.web.servlet.handler.WebDriverRequestFactory.createFromRequest(WebDriverRequestFactory.java:30)
	at org.openqa.grid.web.servlet.handler.SeleniumBasedRequest.createFromRequest(SeleniumBasedRequest.java:73)
	at org.openqa.grid.web.servlet.DriverServlet.process(DriverServlet.java:81)
	at org.openqa.grid.web.servlet.DriverServlet.doGet(DriverServlet.java:61)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:841)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:535)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.Server.handle(Server.java:564)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:317)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:672)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:590)
	at java.lang.Thread.run(Thread.java:748)
  ```