Missing default extension for ExplodedImporter

ShrinkWrap.create(ExplodedImporter.class).importDirectory("src/main/webapp").as(JavaArchive.class)

java.lang.RuntimeException: Could not invoke deployment method: public static org.jboss.shrinkwrap.api.spec.WebArchive org.jboss.tools.example.html5.test.WebDriverTest.deploy()
	at org.jboss.arquillian.container.test.impl.client.deployment.AnnotationDeploymentScenarioGenerator.invoke(AnnotationDeploymentScenarioGenerator.java:160)
	at org.jboss.arquillian.container.test.impl.client.deployment.AnnotationDeploymentScenarioGenerator.generateDeployment(AnnotationDeploymentScenarioGenerator.java:94)
	at org.jboss.arquillian.container.test.impl.client.deployment.AnnotationDeploymentScenarioGenerator.generate(AnnotationDeploymentScenarioGenerator.java:57)
	at org.jboss.arquillian.container.test.impl.client.deployment.DeploymentGenerator.generateDeployment(DeploymentGenerator.java:79)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
	at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:134)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:114)
	at org.jboss.arquillian.core.impl.EventImpl.fire(EventImpl.java:67)
	at org.jboss.arquillian.container.test.impl.client.ContainerEventController.execute(ContainerEventController.java:100)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
	at org.jboss.arquillian.core.impl.EventContextImpl.invokeObservers(EventContextImpl.java:99)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:81)
	at org.jboss.arquillian.test.impl.TestContextHandler.createClassContext(TestContextHandler.java:75)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
	at org.jboss.arquillian.test.impl.TestContextHandler.createSuiteContext(TestContextHandler.java:60)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.arquillian.core.impl.ObserverImpl.invoke(ObserverImpl.java:90)
	at org.jboss.arquillian.core.impl.EventContextImpl.proceed(EventContextImpl.java:88)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:134)
	at org.jboss.arquillian.core.impl.ManagerImpl.fire(ManagerImpl.java:114)
	at org.jboss.arquillian.test.impl.EventTestRunnerAdaptor.beforeClass(EventTestRunnerAdaptor.java:80)
	at org.jboss.arquillian.junit.Arquillian$2.evaluate(Arquillian.java:182)
	at org.jboss.arquillian.junit.Arquillian.multiExecute(Arquillian.java:314)
	at org.jboss.arquillian.junit.Arquillian.access$100(Arquillian.java:46)
	at org.jboss.arquillian.junit.Arquillian$3.evaluate(Arquillian.java:199)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at org.jboss.arquillian.junit.Arquillian.run(Arquillian.java:147)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.arquillian.container.test.impl.client.deployment.AnnotationDeploymentScenarioGenerator.invoke(AnnotationDeploymentScenarioGenerator.java:156)
	... 50 more
Caused by: java.lang.RuntimeException: No property value found for key extension
	at org.jboss.shrinkwrap.impl.base.ExtensionWrapper.getProperty(ExtensionWrapper.java:61)
	at org.jboss.shrinkwrap.impl.base.ServiceExtensionLoader.getExtensionFromExtensionMapping(ServiceExtensionLoader.java:178)
	at org.jboss.shrinkwrap.api.ArchiveFactory.create(ArchiveFactory.java:105)
	at org.jboss.shrinkwrap.api.ShrinkWrap.create(ShrinkWrap.java:157)
	at org.jboss.tools.example.html5.test.WebDriverTest.deploy(WebDriverTest.java:39)
	... 55 more