Can't deploy an EJB to a 7.0 server migrated from 6.4

git clone git@github.com:jboss-developer/jboss-eap-quickstarts.git
cd jboss-eap-quickstarts/
git checkout -b 6.4.x origin/6.4.x
cd ejb-remote/server-side/
mvn clean package -s ../../settings.xml
cd target
unzip .../jboss-eap-6.4.0.zip
unzip .../jboss-eap-7.0.0.ER3.zip
cp jboss-eap-6.4/standalone/configuration/standalone.xml jboss-eap-7.0/standalone/configuration/test.xml
./jboss-eap-7.0/bin/standalone.sh -c test.xml --admin-only

# on a separate console
./jboss-eap-7.0/bin/jboss-cli.sh -c --controller=localhost:9999
/subsystem=threads:remove
/extension=org.jboss.as.threads:remove
/subsystem=web:migrate
shutdown

# on the original console
cp jboss-ejb-remote-server-side.jar jboss-eap-7.0/standalone/deployments/
./jboss-eap-7.0/bin/standalone.sh -c test.xml

15:22:24,909 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-3) MSC000001: Failed to start service jboss.deployment.unit."jboss-ejb-remote-server-side.jar".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.unit."jboss-ejb-remote-server-side.jar".POST_MODULE: WFLYSRV0153: Failed to process phase POST_MODULE of deployment "jboss-ejb-remote-server-side.jar"
	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:154) [wildfly-server-2.0.4.Final-redhat-1.jar:2.0.4.Final-redhat-1]
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948) [jboss-msc-1.2.6.Final-redhat-1.jar:1.2.6.Final-redhat-1]
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881) [jboss-msc-1.2.6.Final-redhat-1.jar:1.2.6.Final-redhat-1]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_66]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_66]
	at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_66]
Caused by: javax.validation.ValidationException: Unable to create a Configuration, because no Bean Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath.
	at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:271)
	at org.hibernate.validator.internal.cdi.ValidationExtension.<init>(ValidationExtension.java:109)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [rt.jar:1.8.0_66]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) [rt.jar:1.8.0_66]
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [rt.jar:1.8.0_66]
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422) [rt.jar:1.8.0_66]
	at java.lang.Class.newInstance(Class.java:442) [rt.jar:1.8.0_66]
	at org.jboss.as.weld.deployment.WeldPortableExtensions.tryRegisterExtension(WeldPortableExtensions.java:53)
	at org.jboss.as.weld.deployment.processors.WeldPortableExtensionProcessor.loadAttachments(WeldPortableExtensionProcessor.java:121)
	at org.jboss.as.weld.deployment.processors.WeldPortableExtensionProcessor.deploy(WeldPortableExtensionProcessor.java:81)
	at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:147) [wildfly-server-2.0.4.Final-redhat-1.jar:2.0.4.Final-redhat-1]
	... 5 more

15:22:24,918 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" => "jboss-ejb-remote-server-side.jar")]) - failure description: {"WFLYCTL0080: Failed services" => {"jboss.deployment.unit.\"jboss-ejb-remote-server-side.jar\".POST_MODULE" => "org.jboss.msc.service.StartException in service jboss.deployment.unit.\"jboss-ejb-remote-server-side.jar\".POST_MODULE: WFLYSRV0153: Failed to process phase POST_MODULE of deployment \"jboss-ejb-remote-server-side.jar\"
    Caused by: javax.validation.ValidationException: Unable to create a Configuration, because no Bean Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath."}}