NullPointerException DG 8.3 at org.infinispan.server.hotrod.KeyValueVersionConverter.convert

Issue

DG 8.3 facing a NPE as below in KeyValueVersionConverter.convert:

19:50:57,311 ERROR (jgroups-75,example-infinispan-1-16090) [org.infinispan.server.hotrod.BaseRequestProcessor] ISPN005003: Exception reported org.infinispan.commons.CacheException: java.lang.NullPointerException
    at org.infinispan.interceptors.impl.InvocationContextInterceptor.rethrowException(InvocationContextInterceptor.java:135)
    at org.infinispan.interceptors.impl.InvocationContextInterceptor.lambda$new$0(InvocationContextInterceptor.java:61)
    at org.infinispan.interceptors.InvocationExceptionFunction.apply(InvocationExceptionFunction.java:25)
    at org.infinispan.interceptors.impl.QueueAsyncInvocationStage.invokeQueuedHandlers(QueueAsyncInvocationStage.java:124)
    at org.infinispan.interceptors.impl.QueueAsyncInvocationStage.accept(QueueAsyncInvocationStage.java:87)
    at org.infinispan.interceptors.impl.QueueAsyncInvocationStage.accept(QueueAsyncInvocationStage.java:33)
    at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859)
    at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837)
    at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
    at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2073)
    at org.infinispan.remoting.transport.AbstractRequest.complete(AbstractRequest.java:67)
    at org.infinispan.remoting.transport.impl.MultiTargetRequest.onResponse(MultiTargetRequest.java:105)
    at org.infinispan.remoting.transport.impl.RequestRepository.addResponse(RequestRepository.java:51)
    at org.infinispan.remoting.transport.jgroups.JGroupsTransport.processResponse(JGroupsTransport.java:1481)
    at org.infinispan.remoting.transport.jgroups.JGroupsTransport.processMessage(JGroupsTransport.java:1383)
    at org.infinispan.remoting.transport.jgroups.JGroupsTransport.access$300(JGroupsTransport.java:138)
    at org.infinispan.remoting.transport.jgroups.JGroupsTransport$ChannelCallbacks.up(JGroupsTransport.java:1524)
    at org.jgroups.JChannel.up(JChannel.java:780)
    at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:913)
    at org.jgroups.protocols.FRAG3.up(FRAG3.java:165)
    at org.jgroups.protocols.FlowControl.up(FlowControl.java:347)
    at org.jgroups.protocols.FlowControl.up(FlowControl.java:347)
    at org.jgroups.protocols.pbcast.GMS.up(GMS.java:876)
    at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:254)
    at org.jgroups.protocols.UNICAST3.deliverMessage(UNICAST3.java:1048)
    at org.jgroups.protocols.UNICAST3.addMessage(UNICAST3.java:771)
    at org.jgroups.protocols.UNICAST3.handleDataReceived(UNICAST3.java:752)
    at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:405)
    at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:592)
    at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:132)
    at org.jgroups.protocols.FailureDetection.up(FailureDetection.java:186)
    at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:254)
    at org.jgroups.protocols.MERGE3.up(MERGE3.java:281)
    at org.jgroups.protocols.Discovery.up(Discovery.java:300)
    at org.jgroups.protocols.TP.passMessageUp(TP.java:1400)
    at org.jgroups.util.SubmitToThreadPool$SingleMessageHandler.run(SubmitToThreadPool.java:98)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.lang.NullPointerException
    at org.infinispan.server.hotrod.KeyValueVersionConverter.convert(KeyValueVersionConverter.java:39)  <------------------ converter
    at org.infinispan.server.hotrod.KeyValueVersionConverter.convert(KeyValueVersionConverter.java:17)
    at org.infinispan.notifications.cachelistener.CacheNotifierImpl$BaseCacheEntryListenerInvocation.convertValue(CacheNotifierImpl.java:1943)
    at org.infinispan.notifications.cachelistener.CacheNotifierImpl$BaseCacheEntryListenerInvocation.invokeNoChecks(CacheNotifierImpl.java:1800)
    at org.infinispan.notifications.cachelistener.CacheNotifierImpl$BaseCacheEntryListenerInvocation.invoke(CacheNotifierImpl.java:1784)
    at org.infinispan.notifications.cachelistener.CacheNotifierImpl.doNotifyRemoved(CacheNotifierImpl.java:512)
    at org.infinispan.notifications.cachelistener.CacheNotifierImpl.notifyCacheEntryRemoved(CacheNotifierImpl.java:488)