...
Caused by: java.lang.NullPointerException: null
at org.infinispan.remoting.rpc.RpcManagerImpl.setTopologyId(RpcManagerImpl.java:300) ~[infinispan-core-8.1.0.Final.jar:8.1.0.Final]
at org.infinispan.remoting.rpc.RpcManagerImpl.invokeRemotelyAsync(RpcManagerImpl.java:136) ~[infinispan-core-8.1.0.Final.jar:8.1.0.Final]
at org.infinispan.remoting.rpc.RpcManagerImpl.invokeRemotely(RpcManagerImpl.java:203) ~[infinispan-core-8.1.0.Final.jar:8.1.0.Final]
at org.infinispan.interceptors.InvalidationInterceptor.invalidateAcrossCluster(InvalidationInterceptor.java:249) ~[infinispan-core-8.1.0.Final.jar:8.1.0.Final]
at org.infinispan.interceptors.InvalidationInterceptor.visitCommitCommand(InvalidationInterceptor.java:138) ~[infinispan-core-8.1.0.Final.jar:8.1.0.Final]
...