01:06:36,722 ERROR [org.infinispan.interceptors.InvocationContextInterceptor] (http-/127.0.0.1:8080-2) ISPN000136: Execution error: java.lang.IllegalStateException: Entries cannot have null versions!
at org.infinispan.container.entries.ClusteredRepeatableReadEntry.performWriteSkewCheck(ClusteredRepeatableReadEntry.java:59) [infinispan-core-5.2.1.Final.jar:5.2.1.Final]
at org.infinispan.transaction.WriteSkewHelper.performWriteSkewCheckAndReturnNewVersions(WriteSkewHelper.java:89) [infinispan-core-5.2.1.Final.jar:5.2.1.Final]
at org.infinispan.interceptors.locking.ClusteringDependentLogic$DistributionLogic.createNewVersionsAndCheckForWriteSkews(ClusteringDependentLogic.java:291) [infinispan-core-5.2.1.Final.jar:5.2.1.Final]
at org.infinispan.interceptors.VersionedEntryWrappingInterceptor.visitPrepareCommand(VersionedEntryWrappingInterceptor.java:65) [infinispan-core-5.2.1.Final.jar:5.2.1.Final]
just before VersionedEntryWrappingInterceptor.