Capabilities error after using selenium grid and Webdriver manager -


i have been using [webdriver manager][1] local executions, has been outstanding, right i'm trying use selenium grid , use same approach i'm getting errors related capabilities.

the hub , node localhost, these details of implementation:

i'm starting hub line:

    start cmd /k java -jar selenium-server-standalone-3.5.0.jar -role hub -port 4443

i'm starting node line

    start cmd /k java -jar selenium-server-standalone-3.5.0.jar -port 5556 -role node -hub http://localhost:4443/grid/register

this configuration i'm using browsers, problem chrome, haven't tested other ones yet.

public webdriver cbt(string browser,  string methodname) throws exception{         webdriver driver;         desiredcapabilities caps;          //check if parameter passed testng 'firefox'         if(browser.equalsignorecase("firefox"))         {             caps = desiredcapabilities.firefox();             caps.setcapability("platform", "windows 10");             caps.setcapability("version", "53.0");             caps.setcapability("name", methodname);          }          //check if parameter passed 'chrome'          else if(browser.equalsignorecase("chrome"))         {              caps = desiredcapabilities.chrome();          }          else if(browser.equalsignorecase("ie")){              caps = desiredcapabilities.edge();             caps.setcapability("platform", "windows 10");             caps.setcapability("version", "14.14393");             caps.setcapability("name", methodname);           }          else{              //if no browser passed throw exception              throw new exception("browser not correct");          }         string hub = "http://localhost:4443/wd/hub";         driver = new remotewebdriver(new url(hub), caps);         return driver;     }

these errors i'm getting 

     org.openqa.selenium.sessionnotcreatedexception: unable create new remote session. desired capabilities = capabilities [{browsername=chrome, version=, platform=any}], required capabilities = capabilities [{}]      build info: version: '3.3.1', revision: '5234b325d5', time: '2017-03-10 09:10:29 +0000'     system info: host: 'neymar', ip: '169.254.112.118', os.name: 'windows 8.1', os.arch: 'amd64', os.version: '6.3', java.version: '1.8.0_45'     driver info: driver.version: remotewebdriver         @ org.openqa.selenium.remote.protocolhandshake.createsession(protocolhandshake.java:126)         @ org.openqa.selenium.remote.httpcommandexecutor.execute(httpcommandexecutor.java:141)         @ org.openqa.selenium.remote.remotewebdriver.execute(remotewebdriver.java:604)         @ org.openqa.selenium.remote.remotewebdriver.startsession(remotewebdriver.java:244)         @ org.openqa.selenium.remote.remotewebdriver.<init>(remotewebdriver.java:131)         @ org.openqa.selenium.remote.remotewebdriver.<init>(remotewebdriver.java:158)         @ com.gnow.gnow.utils.commonconfiguration.cbt(commonconfiguration.java:213)         @ com.gnow.gnow.test.test.setup(test.java:69)         @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)         @ sun.reflect.nativemethodaccessorimpl.invoke(unknown source)         @ sun.reflect.delegatingmethodaccessorimpl.invoke(unknown source)         @ java.lang.reflect.method.invoke(unknown source)         @ org.testng.internal.methodinvocationhelper.invokemethod(methodinvocationhelper.java:104)         @ org.testng.internal.invoker.invokeconfigurationmethod(invoker.java:515)         @ org.testng.internal.invoker.invokeconfigurations(invoker.java:217)         @ org.testng.internal.invoker.invokemethod(invoker.java:590)         @ org.testng.internal.invoker.invoketestmethod(invoker.java:851)         @ org.testng.internal.invoker.invoketestmethods(invoker.java:1177)         @ org.testng.internal.testmethodworker.invoketestmethods(testmethodworker.java:129)         @ org.testng.internal.testmethodworker.run(testmethodworker.java:112)         @ org.testng.testrunner.privaterun(testrunner.java:756)         @ org.testng.testrunner.run(testrunner.java:610)         @ org.testng.suiterunner.runtest(suiterunner.java:387)         @ org.testng.suiterunner.runsequentially(suiterunner.java:382)         @ org.testng.suiterunner.privaterun(suiterunner.java:340)         @ org.testng.suiterunner.run(suiterunner.java:289)         @ org.testng.suiterunnerworker.runsuite(suiterunnerworker.java:52)         @ org.testng.suiterunnerworker.run(suiterunnerworker.java:86)         @ org.testng.testng.runsuitessequentially(testng.java:1293)         @ org.testng.testng.runsuiteslocally(testng.java:1218)         @ org.testng.testng.runsuites(testng.java:1133)         @ org.testng.testng.run(testng.java:1104)         @ org.testng.remote.abstractremotetestng.run(abstractremotetestng.java:132)         @ org.testng.remote.remotetestng.initandrun(remotetestng.java:230)         @ org.testng.remote.remotetestng.main(remotetestng.java:76)

thanks in advance

  [1]: https://github.com/bonigarcia/webdrivermanager

first thing suggest upgrade selenium version selenium 3.5.1

there bug in selenium 3.3.1 wherein actual error wouldn't passed on end-user, , stacktrace seems suggest it's perhaps due bug why aren't able see real problem. bug fixed in 3.4.0

once upgrade selenium 3.5.1 in client side, should see problem.

since mentioned chrome, guessing perhaps due fact chromedriver not available in path.

you might want take @ this tutorial wrote on grid, tells set of things required grid , running. have included lot of other information grid in there.


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