Some clustered tests are failing with this error message:

Failed to start cluster/http/jboss-web-test-service.xml
org.jboss.cache.pojo.PojoCacheException: Failed to start cluster/http/jboss-web-test-service.xml
at org.jboss.cache.pojo.impl.PojoCacheImpl.<init>(PojoCacheImpl.java:63)
at org.jboss.cache.pojo.PojoCacheFactory.createCache(PojoCacheFactory.java:42)
at org.jboss.test.cluster.testutil.SessionTestUtil.getConfiguration(SessionTestUtil.java:147)
at org.jboss.test.cluster.testutil.SessionTestUtil.createCache(SessionTestUtil.java:136)
at org.jboss.test.cluster.testutil.CacheConfigTestSetup.setUp(CacheConfigTestSetup.java:84)
at junit.extensions.TestSetup$1.protect(TestSetup.java:20)
at junit.extensions.TestSetup.run(TestSetup.java:25)
Caused by: org.jboss.cache.config.ConfigurationException: Unable to build interceptor chain
at org.jboss.cache.factories.InterceptorChainFactory.construct(InterceptorChainFactory.java:229)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:318)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.DefaultCacheFactory.bootstrap(DefaultCacheFactory.java:155)
at org.jboss.cache.DefaultCacheFactory.createAndWire(DefaultCacheFactory.java:141)
at org.jboss.cache.DefaultCacheFactory.createCache(DefaultCacheFactory.java:120)
at org.jboss.cache.DefaultCacheFactory.createCache(DefaultCacheFactory.java:93)
at org.jboss.cache.pojo.impl.PojoCacheImpl.<init>(PojoCacheImpl.java:58)
Caused by: java.lang.TypeNotPresentException: Type net.jcip.annotations.ThreadSafe not present
at com.ibm.oti.reflect.AnnotationHelper.getAnnotation(AnnotationHelper.java:38)
at com.ibm.oti.reflect.AnnotationHelper.getDeclaredAnnotations(AnnotationHelper.java:50)
at java.lang.Class.getDeclaredAnnotations(Class.java:1620)
at java.lang.Class.getAnnotations(Class.java:1581)
at java.lang.Class.getAnnotation(Class.java:1561)
at java.lang.Class.isAnnotationPresent(Class.java:1648)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:252)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.ComponentRegistry.getOrCreateComponent(ComponentRegistry.java:325)
at org.jboss.cache.factories.ComponentRegistry.invokeInjectionMethod(ComponentRegistry.java:279)
at org.jboss.cache.factories.ComponentRegistry$Component.injectDependencies(ComponentRegistry.java:981)
at org.jboss.cache.factories.ComponentRegistry.registerComponent(ComponentRegistry.java:255)
at org.jboss.cache.factories.InterceptorChainFactory.createInterceptor(InterceptorChainFactory.java:60)
at org.jboss.cache.factories.InterceptorChainFactory.buildInterceptorChain(InterceptorChainFactory.java:75)
at org.jboss.cache.factories.InterceptorChainFactory.construct(InterceptorChainFactory.java:225)
Caused by: java.lang.ClassNotFoundException: net.jcip.annotations.ThreadSafe
at java.lang.Class.forName(Class.java:163)
at com.ibm.oti.reflect.AnnotationHelper.getAnnotation(AnnotationHelper.java:33)

This is the list of the tests failing because of this:
org.jboss.test.cluster.defaultcfg.simpleweb.test.AttributeBasedMaxUnreplicatedIntervalTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.BuddyReplicationFailoverUnitTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.BuddyReplicationToPassivatedSessionUnitTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.ClusteredSessionNotificationPolicyTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.FieldBasedMaxUnreplicatedIntervalTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.JBossCacheManagerConfigurationUnitTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.ReplicationToPassivatedSessionUnitTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.SessionBasedMaxUnreplicatedIntervalTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.SessionCountUnitTestCase
org.jboss.test.cluster.defaultcfg.simpleweb.test.SessionExpirationUnitTestCase

In total it causes 29 failures.