Cannot deploy CDAGenerator 2.1.1 in ovh2

Deploying CDAGenerator 2.1.1 in ovh2 (with Gazelle X Validator Rule Editor) throws the following exception (and crashes jboss)

11:34:29,526 INFO [org.apache.cxf.service.factory.ReflectionServiceFactoryBean] (MSC service thread 1-2) Creating Service {http://ws.mb.validator.gazelle.ihe.net}ModelBasedValidationWSService from class net.ihe.gazelle.cda.validator.ws.CDAValidatorWS
11:34:29,565 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-2) MSC00001: Failed to start service jboss.deployment.subunit."CDAGenerator.ear"."CDAGenerator-ejb.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."CDAGenerator.ear"."CDAGenerator-ejb.jar".INSTALL: JBAS018733: Failed to process phase INSTALL of subdeployment "CDAGenerator-ejb.jar" of deployment "CDAGenerator.ear"
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:127) [jboss-as-server-7.2.0.Final.jar:7.2.0.Final]
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.4.GA.jar:1.0.4.GA]
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.4.GA.jar:1.0.4.GA]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_80]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_80]
    at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_80]
Caused by: javax.xml.ws.WebServiceException: java.lang.reflect.UndeclaredThrowableException
    at org.apache.cxf.jaxws.EndpointImpl.doPublish(EndpointImpl.java:368)
    at org.jboss.wsf.stack.cxf.deployment.EndpointImpl.doPublish(EndpointImpl.java:67)
    at org.apache.cxf.jaxws.EndpointImpl.publish(EndpointImpl.java:250)
    at org.apache.cxf.jaxws.EndpointImpl.publish(EndpointImpl.java:536)
    at org.jboss.wsf.stack.cxf.configuration.NonSpringBusHolder.configure(NonSpringBusHolder.java:116)
    at org.jboss.wsf.stack.cxf.deployment.aspect.BusDeploymentAspect.startDeploymentBus(BusDeploymentAspect.java:128)
    at org.jboss.wsf.stack.cxf.deployment.aspect.BusDeploymentAspect.start(BusDeploymentAspect.java:67)
    at org.jboss.as.webservices.deployers.AspectDeploymentProcessor.deploy(AspectDeploymentProcessor.java:74)
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:120) [jboss-as-server-7.2.0.Final.jar:7.2.0.Final]
    ... 5 more
Caused by: java.lang.reflect.UndeclaredThrowableException
    at com.sun.proxy.$Proxy49.visitLabel(Unknown Source)
    at org.apache.cxf.jaxws.WrapperClassGenerator.createWrapperClass(WrapperClassGenerator.java:223)
    at org.apache.cxf.jaxws.WrapperClassGenerator.generate(WrapperClassGenerator.java:137)
    at org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.generatedWrapperBeanClass(JaxWsServiceFactoryBean.java:669)
    at org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.getExtraClass(JaxWsServiceFactoryBean.java:638)
    at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromClass(ReflectionServiceFactoryBean.java:472)
    at org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.buildServiceFromClass(JaxWsServiceFactoryBean.java:690)
    at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:540)
    at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:252)
    at org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.create(JaxWsServiceFactoryBean.java:205)
    at org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:101)
    at org.apache.cxf.frontend.ServerFactoryBean.create(ServerFactoryBean.java:159)
    at org.apache.cxf.jaxws.JaxWsServerFactoryBean.create(JaxWsServerFactoryBean.java:211)
    at org.apache.cxf.jaxws.EndpointImpl.getServer(EndpointImpl.java:453)
    at org.apache.cxf.jaxws.EndpointImpl.doPublish(EndpointImpl.java:333)
    ... 13 more
Caused by: java.lang.NoSuchMethodException: org.objectweb.asm.MethodWriter.visitLabel(org.objectweb.asm.Label)
    at java.lang.Class.getMethod(Class.java:1678) [rt.jar:1.7.0_80]
    at org.apache.cxf.common.util.ReflectionInvokationHandler.invoke(ReflectionInvokationHandler.java:52)
    ... 28 more