"Problems unmarshalling remote command from byte buffer: java.io.InvalidClassException: ...; Module load failed" in JBoss EAP

Issue

... WARN ... [org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher] ... Problems unmarshalling remote command from byte buffer: java.io.InvalidClassException: com.myorg.MyClassKey; Module load failed
        at org.jboss.marshalling.ModularClassResolver.resolveClass(ModularClassResolver.java:133) [jboss-marshalling.jar:1.4.10.SP3-redhat-1]
        at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:948)
        at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1255)
        ...
        at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41) [jboss-marshalling.jar:1.4.10.SP3-redhat-1]
        at org.infinispan.marshall.jboss.AbstractJBossMarshaller.objectFromObjectStream(AbstractJBossMarshaller.java:163) [infinispan-core.jar:5.2.23.Final-redhat-1]
        at org.infinispan.marshall.VersionAwareMarshaller.objectFromByteBuffer(VersionAwareMarshaller.java:121) [infinispan-core.jar:5.2.23.Final-redhat-1]
        at org.infinispan.marshall.AbstractDelegatingMarshaller.objectFromByteBuffer(AbstractDelegatingMarshaller.java:104) [infinispan-core.jar:5.2.23.Final-redhat-1]
        at org.infinispan.remoting.transport.jgroups.MarshallerAdapter.objectFromBuffer(MarshallerAdapter.java:50) [infinispan-core.jar:5.2.23.Final-redhat-1]
        ...
        at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1831) [jgroups.jar:3.2.18.Final-redhat-1]
        at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1804) [jgroups.jar:3.2.18.Final-redhat-1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_172]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_172]
        at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_172]
Caused by: org.jboss.modules.ModuleNotFoundException: deployment.myapp.war:main
        at org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:241) [jboss-modules-1.3.10.Final-redhat-1.jar:1.3.10.Final-redhat-1]
        at org.jboss.marshalling.ModularClassResolver.resolveClass(ModularClassResolver.java:120) [jboss-marshalling.jar:1.4.10.SP3-redhat-1]
        ... 61 more
Caused by: an exception which occurred:
        in field key
        in object of type org.hibernate.cache.spi.CacheKey