public class ClusteredCacheTest extends MultipleCacheManagersTest {

public void testFunctionalMap() throws Exception {
      prepareTestData();

      FunctionalMapImpl functionalMap = FunctionalMapImpl.create(this.cache2.getAdvancedCache());
      FunctionalMap.ReadWriteMap<String, String> readWriteMap = ReadWriteMapImpl.create(functionalMap);

      readWriteMap.eval("k", view -> {
         view.set("v");
         return null;
      }).join();

      assertEquals("v", cache2.get("k"));
   }
}

17:27:22,296 ERROR (remote-thread-ClusteredCacheTest-NodeA-p2-t6) [InvocationContextInterceptor] ISPN000136: Error executing command ReadWriteKeyCommand, writing keys [k]
java.lang.ClassCastException: java.lang.String cannot be cast to org.infinispan.commons.marshall.WrappedBytes
	at org.infinispan.container.offheap.OffHeapDataContainer.put(OffHeapDataContainer.java:38)
	at org.infinispan.container.entries.ReadCommittedEntry.commit(ReadCommittedEntry.java:134)
	at org.infinispan.statetransfer.CommitManager.commitEntry(CommitManager.java:141)
	at org.infinispan.statetransfer.CommitManager.commit(CommitManager.java:101)
	at org.infinispan.interceptors.locking.ClusteringDependentLogic$ReplicationLogic.commitSingleEntry(ClusteringDependentLogic.java:435)
	at org.infinispan.interceptors.locking.ClusteringDependentLogic$AbstractClusteringDependentLogic.commitEntry(ClusteringDependentLogic.java:183)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.commitContextEntry(EntryWrappingInterceptor.java:604)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.commitEntryIfNeeded(EntryWrappingInterceptor.java:825)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.commitContextEntries(EntryWrappingInterceptor.java:581)17:27:22,310 ERROR (jgroups-4,ClusteredCacheTest-NodeB-5393) [InvocationContextInterceptor] ISPN000136: Error executing command ReadWriteKeyCommand, writing keys [k]
org.infinispan.remoting.RemoteException: ISPN000217: Received exception from ClusteredCacheTest-NodeA-49952, see cause for remote stack trace
	at org.infinispan.remoting.transport.AbstractTransport.checkResponse(AbstractTransport.java:44)
	at org.infinispan.remoting.transport.jgroups.JGroupsTransport.checkRsp(JGroupsTransport.java:920)
	at org.infinispan.remoting.transport.jgroups.JGroupsTransport.lambda$invokeRemotelyAsync$4(JGroupsTransport.java:689)
	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
	at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962)
	at org.infinispan.remoting.transport.jgroups.RspListFuture.requestDone(RspListFuture.java:53)
	at org.infinispan.remoting.transport.jgroups.RspListFuture.accept(RspListFuture.java:48)
java.util.concurrent.CompletionException: org.infinispan.remoting.RemoteException: ISPN000217: Received exception from ClusteredCacheTest-NodeA-49952, see cause for remote stack trace

	at java.util.concurrent.CompletableFuture.reportJoin(CompletableFuture.java:375)
	at java.util.concurrent.CompletableFuture.join(CompletableFuture.java:1934)
	at org.infinispan.query.blackbox.ClusteredCacheTest.testFunctionalMap(ClusteredCacheTest.java:886)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
	at org.testng.TestRunner.privateRun(TestRunner.java:767)
	at org.testng.TestRunner.run(TestRunner.java:617)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:348)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:343)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:305)
	at org.testng.SuiteRunner.run(SuiteRunner.java:254)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
	at org.testng.TestNG.run(TestNG.java:1057)
	at org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:72)
	at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:127)
Caused by: org.infinispan.remoting.RemoteException: ISPN000217: Received exception from ClusteredCacheTest-NodeA-49952, see cause for remote stack trace
	at org.infinispan.remoting.transport.AbstractTransport.checkResponse(AbstractTransport.java:44)
	at org.infinispan.remoting.transport.jgroups.JGroupsTransport.checkRsp(JGroupsTransport.java:920)
	at org.infinispan.remoting.transport.jgroups.JGroupsTransport.lambda$invokeRemotelyAsync$4(JGroupsTransport.java:689)
	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
	at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962)
	at org.infinispan.remoting.transport.jgroups.RspListFuture.requestDone(RspListFuture.java:53)
	at org.infinispan.remoting.transport.jgroups.RspListFuture.accept(RspListFuture.java:48)
	at org.infinispan.remoting.transport.jgroups.RspListFuture.accept(RspListFuture.java:19)
	at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
	at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
	at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962)
	at org.jgroups.blocks.GroupRequest.receiveResponse(GroupRequest.java:106)
	at org.infinispan.remoting.transport.jgroups.CustomRequestCorrelator.handleResponse(CustomRequestCorrelator.java:50)
	at org.jgroups.blocks.RequestCorrelator.dispatch(RequestCorrelator.java:363)
	at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:307)
	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:579)
	at org.jgroups.JChannel.up(JChannel.java:816)
	at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:893)
	at org.jgroups.protocols.RSVP.up(RSVP.java:163)
	at org.jgroups.protocols.FlowControl.up(FlowControl.java:345)
	at org.jgroups.protocols.tom.TOA.up(TOA.java:112)
	at org.jgroups.protocols.pbcast.GMS.up(GMS.java:867)
	at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:240)
	at org.jgroups.protocols.UNICAST3.deliverMessage(UNICAST3.java:1059)
	at org.jgroups.protocols.UNICAST3.handleDataReceived(UNICAST3.java:785)
	at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:438)
	at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:598)
	at org.jgroups.protocols.Discovery.up(Discovery.java:262)
	at org.jgroups.protocols.TP.passMessageUp(TP.java:1204)
	at org.jgroups.util.SubmitToThreadPool$SingleMessageHandler.run(SubmitToThreadPool.java:87)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to org.infinispan.commons.marshall.WrappedBytes
	at org.infinispan.container.offheap.OffHeapDataContainer.put(OffHeapDataContainer.java:38)
	at org.infinispan.container.entries.ReadCommittedEntry.commit(ReadCommittedEntry.java:134)
	at org.infinispan.statetransfer.CommitManager.commitEntry(CommitManager.java:141)
	at org.infinispan.statetransfer.CommitManager.commit(CommitManager.java:101)
	at org.infinispan.interceptors.locking.ClusteringDependentLogic$ReplicationLogic.commitSingleEntry(ClusteringDependentLogic.java:435)
	at org.infinispan.interceptors.locking.ClusteringDependentLogic$AbstractClusteringDependentLogic.commitEntry(ClusteringDependentLogic.java:183)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.commitContextEntry(EntryWrappingInterceptor.java:604)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.commitEntryIfNeeded(EntryWrappingInterceptor.java:825)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.commitContextEntries(EntryWrappingInterceptor.java:581)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.applyChanges(EntryWrappingInterceptor.java:637)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.lambda$setSkipRemoteGetsAndInvokeNextForDataCommand$8(EntryWrappingInterceptor.java:693)
	at org.infinispan.interceptors.BaseAsyncInterceptor.invokeNextThenAccept(BaseAsyncInterceptor.java:109)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.setSkipRemoteGetsAndInvokeNextForDataCommand(EntryWrappingInterceptor.java:690)
	at org.infinispan.interceptors.impl.EntryWrappingInterceptor.visitReadWriteKeyCommand(EntryWrappingInterceptor.java:497)
	at org.infinispan.commands.functional.ReadWriteKeyCommand.acceptVisitor(ReadWriteKeyCommand.java:104)
	at org.infinispan.interceptors.BaseAsyncInterceptor.invokeNext(BaseAsyncInterceptor.java:58)
	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitNonTxDataWriteCommand(AbstractLockingInterceptor.java:127)
	at org.infinispan.interceptors.locking.NonTransactionalLockingInterceptor.visitDataWriteCommand(NonTransactionalLockingInterceptor.java:38)
	at org.infinispan.interceptors.locking.AbstractLockingInterceptor.visitReadWriteKeyCommand(AbstractLockingInterceptor.java:200)
	at org.infinispan.commands.functional.ReadWriteKeyCommand.acceptVisitor(ReadWriteKeyCommand.java:104)
	at org.infinispan.interceptors.BaseAsyncInterceptor.invokeNext(BaseAsyncInterceptor.java:58)
	at org.infinispan.statetransfer.StateTransferInterceptor.handleNonTxWriteCommand(StateTransferInterceptor.java:326)
	at org.infinispan.statetransfer.StateTransferInterceptor.handleWriteCommand(StateTransferInterceptor.java:264)
	at org.infinispan.statetransfer.StateTransferInterceptor.visitReadWriteKeyCommand(StateTransferInterceptor.java:174)
	at org.infinispan.commands.functional.ReadWriteKeyCommand.acceptVisitor(ReadWriteKeyCommand.java:104)
	at org.infinispan.interceptors.BaseAsyncInterceptor.invokeNext(BaseAsyncInterceptor.java:58)
	at org.infinispan.interceptors.DDAsyncInterceptor.handleDefault(DDAsyncInterceptor.java:55)
	at org.infinispan.interceptors.DDAsyncInterceptor.visitReadWriteKeyCommand(DDAsyncInterceptor.java:214)
	at org.infinispan.commands.functional.ReadWriteKeyCommand.acceptVisitor(ReadWriteKeyCommand.java:104)
	at org.infinispan.interceptors.BaseAsyncInterceptor.invokeNextAndExceptionally(BaseAsyncInterceptor.java:127)
	at org.infinispan.interceptors.impl.InvocationContextInterceptor.visitCommand(InvocationContextInterceptor.java:97)
	at org.infinispan.interceptors.BaseAsyncInterceptor.invokeNext(BaseAsyncInterceptor.java:60)
	at org.infinispan.interceptors.DDAsyncInterceptor.handleDefault(DDAsyncInterceptor.java:55)
	at org.infinispan.interceptors.DDAsyncInterceptor.visitReadWriteKeyCommand(DDAsyncInterceptor.java:214)
	at org.infinispan.commands.functional.ReadWriteKeyCommand.acceptVisitor(ReadWriteKeyCommand.java:104)
	at org.infinispan.interceptors.DDAsyncInterceptor.visitCommand(DDAsyncInterceptor.java:51)
	at org.infinispan.interceptors.impl.AsyncInterceptorChainImpl.invokeAsync(AsyncInterceptorChainImpl.java:234)
	at org.infinispan.commands.remote.BaseRpcInvokingCommand.processVisitableCommandAsync(BaseRpcInvokingCommand.java:63)
	at org.infinispan.commands.remote.SingleRpcCommand.invokeAsync(SingleRpcCommand.java:57)
	at org.infinispan.remoting.inboundhandler.BasePerCacheInboundInvocationHandler.invokeCommand(BasePerCacheInboundInvocationHandler.java:101)
	at org.infinispan.remoting.inboundhandler.BaseBlockingRunnable.invoke(BaseBlockingRunnable.java:99)
	at org.infinispan.remoting.inboundhandler.BaseBlockingRunnable.runAsync(BaseBlockingRunnable.java:71)
	at org.infinispan.remoting.inboundhandler.BaseBlockingRunnable.run(BaseBlockingRunnable.java:40)
	... 3 more