Unexpected return type from space.read()

Hello,

I am a newbie at Jini/JS and now experimenting with them (as of 2.1).
Successfully wrote a Jini service, that can be seen in Browser (phuh, took
some time resolve some codebase issue). This service writes into a space
(the one started by Jini starter kit), the entry written can be seen among
the Javaspace05 instance's entries. So far...
Now, as I try to read it back I get the following:

java.rmi.ServerError: Error in server thread; nested exception is:
 java.lang.AssertionError: Unexpected return type from space.read()
 at
net.jini.jeri.BasicInvocationDispatcher.dispatch(BasicInvocationDispatcher.java:647)
 at com.sun.jini.jeri.internal.runtime.ObjectTable$6.run(ObjectTable.java:597)
 at net.jini.export.ServerContext.doWithServerContext(ServerContext.java:103)
 at
com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch0(ObjectTable.java:595)
 at
com.sun.jini.jeri.internal.runtime.ObjectTable$Target.access$700(ObjectTable.java:212)
 at com.sun.jini.jeri.internal.runtime.ObjectTable$5.run(ObjectTable.java:568)
 at java.security.AccessController.doPrivileged(Native Method)
 at
com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch(ObjectTable.java:565)
 at
com.sun.jini.jeri.internal.runtime.ObjectTable$Target.dispatch(ObjectTable.java:540)
 at
com.sun.jini.jeri.internal.runtime.ObjectTable$RD.dispatch(ObjectTable.java:778)
 at
net.jini.jeri.connection.ServerConnectionManager$Dispatcher.dispatch(ServerConnectionManager.java:148)
 at com.sun.jini.jeri.internal.mux.MuxServer$2.run(MuxServer.java:244)
 at java.security.AccessController.doPrivileged(Native Method)
 at com.sun.jini.jeri.internal.mux.MuxServer$1.run(MuxServer.java:241)
 at com.sun.jini.thread.ThreadPool$Worker.run(ThreadPool.java:136)
 at java.lang.Thread.run(Thread.java:595)
 at
com.sun.jini.jeri.internal.runtime.Util.__________EXCEPTION_RECEIVED_FROM_SERVER__________(Util.java:108)
 at
com.sun.jini.jeri.internal.runtime.Util.exceptionReceivedFromServer(Util.java:101)
 at
net.jini.jeri.BasicInvocationHandler.unmarshalThrow(BasicInvocationHandler.java:1303)
 at
net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHandler.java:832)
 at
net.jini.jeri.BasicInvocationHandler.invokeRemoteMethod(BasicInvocationHandler.java:659)
 at net.jini.jeri.BasicInvocationHandler.invoke(BasicInvocationHandler.java:528)
 at $Proxy1.takeOut(Unknown Source)
 at
kuti.client.CreditApplicationClient.discovered(CreditApplicationClient.java:76)
 at net.jini.discovery.LookupDiscovery$1.run(LookupDiscovery.java:977)


The code fragment doing this has nothing special:
        DealEntry d = new DealEntry(n);
        try {
            Entry en = space.read(d, null, 10000L);
        }
        catch(Exception e) {...}

Further strange thing is that despite catch presence it doesn't show up at
server side, but on client side does.

I've no idea what I do wrong and  could'nt find any hint on the web.

Thanks for your help!

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