Issue

The error below appears repeatedly in the server.log

... ISPN000136: Execution error: org.infinispan.CacheException: java.lang.RuntimeException: Failure to marshal argument(s)
        at org.infinispan.util.Util.rewrapAsCacheException(Util.java:542)
        at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.invokeRemoteCommand(CommandAwareRpcDispatcher.java:186)
...
org.infinispan.marshall.NotSerializableException: org.springframework.format.support.DefaultFormattingConversionService
Caused by: an exception which occurred:
        in field conversionService
        in object java.util.HashMap@903c0b56
        in object org.jboss.as.clustering.SimpleMarshalledValue@903c0b56
        in object org.infinispan.atomic.PutOperation@7817603
        in object java.util.LinkedList@44ca7f4f
        in object org.infinispan.atomic.AtomicHashMapDelta@5d132f97
        in object org.infinispan.commands.write.PutKeyValueCommand@ca93b4ff
        in object org.infinispan.commands.tx.PrepareCommand@267f0efd