NullPointerException in Infinispan EvictionManagerImpl when statistics are enabled

Issue

After enabling statistics through attribute "statistics-enabled" within the infinispan subsystem on all cache-container and local-cache inside server configuration file.

Following WARNING log for NullPointerException is showing in server log when updating Eviction statistics :

WARNING [com.github.benmanes.caffeine.cache.BoundedLocalCache] (default task-2) Exception thrown by removal listener: java.lang.NullPointerException
    at org.infinispan.eviction.impl.EvictionManagerImpl.updateEvictionStatistics(EvictionManagerImpl.java:45)
    at org.infinispan.eviction.impl.EvictionManagerImpl.onEntryEviction(EvictionManagerImpl.java:39)
    at org.infinispan.container.impl.AbstractInternalDataContainer$DefaultEvictionListener.onEntryEviction(AbstractInternalDataContainer.java:521)
    at org.infinispan.container.impl.AbstractInternalDataContainer.lambda$applyListener$5(AbstractInternalDataContainer.java:484)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.lambda$notifyRemoval$1(BoundedLocalCache.java:286)
    at org.infinispan.util.concurrent.WithinThreadExecutor.execute(WithinThreadExecutor.java:20)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.notifyRemoval(BoundedLocalCache.java:292)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.evictEntry(BoundedLocalCache.java:821)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.evictFromMain(BoundedLocalCache.java:633)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.evictEntries(BoundedLocalCache.java:504)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.maintenance(BoundedLocalCache.java:1137)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.performCleanUp(BoundedLocalCache.java:1108)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache$PerformCleanupTask.run(BoundedLocalCache.java:2979)
    at org.infinispan.util.concurrent.WithinThreadExecutor.execute(WithinThreadExecutor.java:20)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.scheduleDrainBuffers(BoundedLocalCache.java:1080)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.scheduleAfterWrite(BoundedLocalCache.java:1047)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.afterWrite(BoundedLocalCache.java:1017)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.remap(BoundedLocalCache.java:2272)
    at com.github.benmanes.caffeine.cache.BoundedLocalCache.compute(BoundedLocalCache.java:2146)
    at com.github.benmanes.caffeine.cache.LocalCache.compute(LocalCache.java:100)
        ...