Building remotely on jjr_win_vdi in workspace D:\Users\jrodgers\Development\Selenium\Builder
Starting to run selenium builder command
Starting test run.
Initialising driver.
FATAL: Remote call on jjr_win_vdi failed
java.io.IOException: Remote call on jjr_win_vdi failed
	at hudson.remoting.Channel.call(Channel.java:723)
	at hudson.plugins.selenium_builder.SeleniumBuilderBuilder.perform(SeleniumBuilderBuilder.java:51)
	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:804)
	at hudson.model.Build$BuildExecution.build(Build.java:199)
	at hudson.model.Build$BuildExecution.doRun(Build.java:160)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:586)
	at hudson.model.Run.execute(Run.java:1597)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:247)
Caused by: java.lang.NoClassDefFoundError: org/openqa/selenium/remote/SessionNotFoundException
	at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:188)
	at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:183)
	at com.sebuilder.interpreter.webdriverfactory.Firefox.make(Firefox.java:47)
	at com.sebuilder.interpreter.TestRun.next(TestRun.java:77)
	at com.sebuilder.interpreter.TestRun.finish(TestRun.java:127)
	at com.sebuilder.interpreter.Script.run(Script.java:68)
	at com.saucelabs.ci.SeleniumBuilderManager.executeSeleniumBuilder(SeleniumBuilderManager.java:84)
	at hudson.plugins.selenium_builder.SeleniumBuilderBuilder$SeleniumBuilderInvoker.call(SeleniumBuilderBuilder.java:95)
	at hudson.plugins.selenium_builder.SeleniumBuilderBuilder$SeleniumBuilderInvoker.call(SeleniumBuilderBuilder.java:80)
	at hudson.remoting.UserRequest.perform(UserRequest.java:118)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:326)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at hudson.remoting.Engine$1$1.run(Engine.java:63)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.openqa.selenium.remote.SessionNotFoundException
	at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
	at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1315)
	at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1068)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at hudson.remoting.RemoteClassLoader$ClassLoaderProxy.fetch4(RemoteClassLoader.java:721)
	at hudson.remoting.RemoteClassLoader$ClassLoaderProxy.fetch3(RemoteClassLoader.java:763)
	at sun.reflect.GeneratedMethodAccessor207.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:299)
	at hudson.remoting.Request$2.run(Request.java:326)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:679)