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POSelenium Grid 2 using RemoteWebDriver throwing spurious exception
 

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  1. POSelenium Grid 2 using RemoteWebDriver throwing spurious exception
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    <p>I've got a Play! Framework application (based on v1.2.3) using the WebDrive module (based on v0.2) to run the Selenium tests in a browser through WebDriver. I've customised this module to allow me to fire up a RemoteWebDriver to run the tests on another machine.</p> <p>If I connect this RemoteWebDriver directly to a standalone Selenium server (using v2.14) then everything works fine.</p> <p>If I set up a Grid configuration with a hub server and a node server that registers with the hub, and then point the RemoteWebDriver at the hub, I get this exception:</p> <pre><code>Exception in thread "main" org.openqa.selenium.WebDriverException: Could not start Selenium session: org%2Eopenqa%2Egrid%2Ecommon%2Eexception%2EGridException%3A+Error+forwarding+the+new+session+cannot+find+%3A+%7BbrowserName%3D%2Achrome%7D; duration or timeout: 59 milliseconds Build info: version: '2.14.0', revision: 'unknown', time: '2011-11-29 13:13:16' System info: os.name: 'Linux', os.arch: 'amd64', os.version: '2.6.32-34-generic', java.version: '1.6.0_26' Driver info: driver.version: RemoteWebDriver 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:147) at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:113) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:400) at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:115) at org.openqa.selenium.remote.RemoteWebDriver.&lt;init&gt;(RemoteWebDriver.java:76) at play.modules.webdrive.WebDriverRunner.runRemote(WebDriverRunner.java:204) at play.modules.webdrive.WebDriverRunner.runDecider(WebDriverRunner.java:64) at play.modules.webdrive.WebDriverRunner.main(WebDriverRunner.java:56) Caused by: java.lang.RuntimeException: Could not start Selenium session: org%2Eopenqa%2Egrid%2Ecommon%2Eexception%2EGridException%3A+Error+forwarding+the+new+session+cannot+find+%3A+%7BbrowserName%3D%2Achrome%7D at com.thoughtworks.selenium.DefaultSelenium.start(DefaultSelenium.java:123) at org.openqa.selenium.internal.selenesedriver.NewSession.apply(NewSession.java:34) at org.openqa.selenium.internal.selenesedriver.NewSession.apply(NewSession.java:30) at org.openqa.selenium.SeleneseCommandExecutor.execute(SeleneseCommandExecutor.java:132) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:382) ... 5 more </code></pre> <p>I am specifying in my capabilities that I want a "firefox" driver, not a "* chrome" one. I've seen that "*<em>browser name</em>" is the older style Selenium RC definition, but I'm not using that anywhere, only the RemoteWebDriver style definition.</p> <p>Here's the relevant part of the code:</p> <pre><code>DesiredCapabilities capabilities = new DesiredCapabilities(); // capabilities.setBrowserName("firefox"); capabilities = DesiredCapabilities.firefox(); System.out.println("&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;&lt;&gt;" + capabilities.getBrowserName()); CommandExecutor executor = new SeleneseCommandExecutor(new URL(System.getProperty("webdrive.remoteUrl")), new URL(appUrlBase + "/@tests/init"), capabilities); WebDriver webDriver = new RemoteWebDriver(executor, capabilities); System.out.println("~ Starting tests remotely with " + capabilities.getBrowserName()); runTests(seleniumTests, webDriver); </code></pre> <p>and it falls over on the line where I create the new RemoteWebDriver. I've tried both methods of setting the browser and the sysout confirms that it is in there correctly. I never get to see the second sysout.</p> <p>What am I doing wrong? :)</p>
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    1. COIs firefox installed on the client node?
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    2. COTry removing the setBrowserName.
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