NullPointerException on starting CacheStore

boss.infinispan.clustered.default: Failed to start service
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1936) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_31]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_31]
	at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_31]
Caused by: org.infinispan.commons.CacheException: Unable to invoke method public void org.infinispan.persistence.manager.PersistenceManagerImpl.start() on object of type PersistenceManagerImpl
	at org.infinispan.commons.util.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:171)
	at org.infinispan.factories.AbstractComponentRegistry$PrioritizedMethod.invoke(AbstractComponentRegistry.java:869)
	at org.infinispan.factories.AbstractComponentRegistry.invokeStartMethods(AbstractComponentRegistry.java:638)
	at org.infinispan.factories.AbstractComponentRegistry.internalStart(AbstractComponentRegistry.java:627)
	at org.infinispan.factories.AbstractComponentRegistry.start(AbstractComponentRegistry.java:530)
	at org.infinispan.factories.ComponentRegistry.start(ComponentRegistry.java:218)
	at org.infinispan.CacheImpl.start(CacheImpl.java:779)
	at org.infinispan.manager.DefaultCacheManager.wireAndStartCache(DefaultCacheManager.java:587)
	at org.infinispan.manager.DefaultCacheManager.createCache(DefaultCacheManager.java:542)
	at org.infinispan.manager.DefaultCacheManager.getCache(DefaultCacheManager.java:420)
	at org.infinispan.manager.DefaultCacheManager.getCache(DefaultCacheManager.java:434)
	at org.jboss.as.clustering.infinispan.DefaultEmbeddedCacheManager.getCache(DefaultEmbeddedCacheManager.java:89)
	at org.jboss.as.clustering.infinispan.DefaultEmbeddedCacheManager.getCache(DefaultEmbeddedCacheManager.java:80)
	at org.infinispan.server.infinispan.SecurityActions$4.run(SecurityActions.java:104)
	at org.infinispan.server.infinispan.SecurityActions$4.run(SecurityActions.java:101)
	at org.infinispan.security.Security.doPrivileged(Security.java:76)
	at org.infinispan.server.infinispan.SecurityActions.doPrivileged(SecurityActions.java:48)
	at org.infinispan.server.infinispan.SecurityActions.startCache(SecurityActions.java:109)
	at org.jboss.as.clustering.infinispan.subsystem.CacheService.start(CacheService.java:85)
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1980) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1913) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
	... 3 more
Caused by: org.infinispan.commons.CacheException: Unable to start cache loaders
	at org.infinispan.persistence.manager.PersistenceManagerImpl.start(PersistenceManagerImpl.java:156)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_31]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_31]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_31]
	at java.lang.reflect.Method.invoke(Method.java:483) [rt.jar:1.8.0_31]
	at org.infinispan.commons.util.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:168)
	... 23 more
Caused by: java.lang.NullPointerException
	at org.infinispan.persistence.factory.CacheStoreFactoryRegistry.processStoreConfiguration(CacheStoreFactoryRegistry.java:48)
	at org.infinispan.persistence.manager.PersistenceManagerImpl.createLoadersAndWriters(PersistenceManagerImpl.java:529)
	at org.infinispan.persistence.manager.PersistenceManagerImpl.start(PersistenceManagerImpl.java:114)
	... 28 more