Caused by: java.lang.NullPointerException: null
	at org.ehcache.shadow.org.terracotta.offheapstore.disk.storage.FileBackedStorageEngine.findChunk(FileBackedStorageEngine.java:363) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.disk.storage.FileBackedStorageEngine.readKeyBuffer(FileBackedStorageEngine.java:264) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.storage.PortabilityBasedStorageEngine.readKey(PortabilityBasedStorageEngine.java:119) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.OffHeapHashMap$DirectEntry.<init>(OffHeapHashMap.java:1562) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.OffHeapHashMap$EntryIterator.create(OffHeapHashMap.java:1540) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.impl.internal.store.disk.factories.EhcachePersistentSegmentFactory$EhcachePersistentSegment$EntrySet$1.create(EhcachePersistentSegmentFactory.java:133) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.impl.internal.store.disk.factories.EhcachePersistentSegmentFactory$EhcachePersistentSegment$EntrySet$1.create(EhcachePersistentSegmentFactory.java:130) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.OffHeapHashMap$HashIterator.<init>(OffHeapHashMap.java:1400) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.OffHeapHashMap$EntryIterator.<init>(OffHeapHashMap.java:1535) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.AbstractLockedOffHeapHashMap$LockedEntryIterator.<init>(AbstractLockedOffHeapHashMap.java:385) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.impl.internal.store.disk.factories.EhcachePersistentSegmentFactory$EhcachePersistentSegment$EntrySet$1.<init>(EhcachePersistentSegmentFactory.java:130) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.impl.internal.store.disk.factories.EhcachePersistentSegmentFactory$EhcachePersistentSegment$EntrySet.iterator(EhcachePersistentSegmentFactory.java:130) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap$AggregateEntrySet$1.getNextIterator(AbstractConcurrentOffHeapMap.java:454) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap$AggregateIterator.<init>(AbstractConcurrentOffHeapMap.java:520) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap$AggregateEntrySet$1.<init>(AbstractConcurrentOffHeapMap.java:450) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.shadow.org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap$AggregateEntrySet.iterator(AbstractConcurrentOffHeapMap.java:450) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.impl.internal.store.offheap.AbstractOffHeapStore$1.<init>(AbstractOffHeapStore.java:501) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.impl.internal.store.offheap.AbstractOffHeapStore.iterator(AbstractOffHeapStore.java:500) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.impl.internal.store.tiering.TieredStore.iterator(TieredStore.java:234) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.core.SpecIterator.<init>(SpecIterator.java:39) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.core.EhcacheBase$Jsr107CacheBase.specIterator(EhcacheBase.java:645) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.jsr107.Eh107Cache.iterator_aroundBody54(Eh107Cache.java:503) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.ehcache.jsr107.Eh107Cache$AjcClosure55.run(Eh107Cache.java:1) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:167) ~[aspectjrt-1.9.6.jar:na]
	at pse.cache.CacheListenerAspect.around(CacheListenerAspect.java:38) ~[main/:na]
	at org.ehcache.jsr107.Eh107Cache.iterator(Eh107Cache.java:501) ~[ehcache-3.9.5.jar:3.9.5 ad079c948c87e261c36fd97fc51b65d927bbfde8]
	at pse.cache.CacheConfiguration.validateCache(CacheConfiguration.java:92) ~[main/:na]
	at pse.cache.CacheConfiguration.createCache(CacheConfiguration.java:85) ~[main/:na]
	at org.hibernate.cache.jcache.internal.JCacheRegionFactory.getOrCreateCache(JCacheRegionFactory.java:99) ~[hibernate-jcache-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.cache.jcache.internal.JCacheRegionFactory.createDomainDataStorageAccess(JCacheRegionFactory.java:83) ~[hibernate-jcache-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.cache.jcache.internal.JCacheRegionFactory.buildDomainDataRegion(JCacheRegionFactory.java:72) ~[hibernate-jcache-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.cache.internal.EnabledCaching.prime(EnabledCaching.java:113) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.metamodel.internal.MetamodelImpl.primeSecondLevelCacheRegions(MetamodelImpl.java:331) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.metamodel.internal.MetamodelImpl.initialize(MetamodelImpl.java:160) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:303) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:468) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1259) ~[hibernate-core-5.4.32.Final.jar:5.4.32.Final]
	at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) ~[spring-orm-5.3.10.jar:5.3.10]
	at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365) ~[spring-orm-5.3.10.jar:5.3.10]
	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) ~[spring-orm-5.3.10.jar:5.3.10]
	... 107 common frames omitted

    private static org.ehcache.config.CacheConfiguration<Object, Object> DEFAULT_CACHE_CONFIGURATION =
            CacheConfigurationBuilder.newCacheConfigurationBuilder(
                    Object.class, Object.class,
                    ResourcePoolsBuilder.newResourcePoolsBuilder()
                            .heap( 10000, EntryUnit.ENTRIES )
                            .disk( 100, MemoryUnit.MB, true )
                            .build() )
                    .build();

    protected Cache<Object, Object> createCache( String regionName ) {
        Cache<Object, Object> cache = getCacheManager().createCache( regionName, Eh107Configuration.fromEhcacheCacheConfiguration( DEFAULT_CACHE_CONFIGURATION ) );
        validateCache( cache );
        return new FailSafeCacheWrapper( cache );
    }

public static void validateCache( Cache<?, ?> cache ) {
        try {
            Iterator<? extends Entry<?, ?>> it = cache.iterator();
            if (it.hasNext()) {
                Entry<?, ?> entry = it.next();
                Object key = entry.getKey();
                Object value = entry.getValue();
            }
        } catch (SerializerException ex) {
            //obsolete in case class serialization changed
            log.warn( String.format( "Found obsolete cache data: %s", cache.getName() ), ex );
            cache.clear();
        }
    }