Re: Help: UnmarshalException running Jini

Sorry about that, these are two separate calls. I think I'm running Jini2.0.
Please check out an earlier reply to Gregg with a question on OutofMemory
error to see if you have any experience and expertise on it. Thx.



John McClain - Sun Microsystems, Inc. wrote:
> 
> daphantomica wrote:
>>  Hi,
>> 
>> I'm using Jini for a large scale simulation research and when writing and
>> taking Entries, I keep bumping into this EOFException error. I'm using
>> functions with null Transactions which looks like such:
>> space.write(tripTask, null, Lease.FOREVER);
>> TaskEntry thistask = (TaskEntry)space.takeIfExists(tmplt_tsk, null,
>> JavaSpace.NO_WAIT);
> 
> I am a bit confused by this stack trace, is it from one call into the 
> space or two? If two can you tease them apart for me? What version of 
> Outrigger are you using?
> 
>> Any help would be deeply appreciated!
>> 
>> 
>> Thanks,
>> Samson
>> 
>> 
>> java.rmi.UnmarshalException: exception unmarshalling response; nested
>> exception is:
>> java.io.EOFException
>> at
>> net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHand
>> ler.java:825)
>> at
>> net.jini.jeri.BasicInvocationHandler.invokeRemoteMethod(BasicInvocationHandler.
>> java:637)
>> at
>> net.jini.jeri.BasicInvocationHandler.invoke(BasicInvocationHandler.java:507)
>> at com.sun.jini.outrigger.$Proxy1.write(Unknown Source)
>> at com.sun.jini.outrigger.SpaceProxy.write(SpaceProxy.java:298)
>> at
>> transnet.transnetmodel$THD_TripExecution_CreateTasks.run(transnetmodel.java:286
>> 5)
>> Caused by: java.io.EOFException
>> at
>> java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:
>> 2554)
>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1297)
>> at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
>> at
>> java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:480)
>> at com.sun.jini.landlord.LandlordLease.readObject(LandlordLease.java:208)
>> at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
>> at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.ja
>> va:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
>> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)
>> at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
>> at com.sun.jini.jeri.internal.runtime.Util.unmarshalValue(Util.java:217)
>> at
>> net.jini.jeri.BasicInvocationHandler.unmarshalReturn(BasicInvocationHandler.jav
>> a:1220)
>> at
>> net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHand
>> ler.java:803)
>> ... 5 more
>> java.rmi.UnmarshalException: exception unmarshalling response; nested
>> exception is:
>> java.io.EOFException
>> at
>> net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHand
>> ler.java:825)
>> at
>> net.jini.jeri.BasicInvocationHandler.invokeRemoteMethod(BasicInvocationHandler.
>> java:637)
>> at
>> net.jini.jeri.BasicInvocationHandler.invoke(BasicInvocationHandler.java:507)
>> at com.sun.jini.outrigger.$Proxy1.takeIfExists(Unknown Source)
>> at com.sun.jini.outrigger.SpaceProxy.takeIfExists(SpaceProxy.java:459)
>> at
>> transnet.transnetmodel$THD_TripExecution_ExeTasks.run(transnetmodel.java:2892)
>> Caused by: java.io.EOFException
>> at
>> java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:
>> 2554)
>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1297)
>> at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
>> at
>> java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:480)
>> at com.sun.jini.outrigger.EntryRep.readObject(EntryRep.java:746)
>> at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
>> at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.ja
>> va:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
>> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)
>> at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
>> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
>> at com.sun.jini.jeri.internal.runtime.Util.unmarshalValue(Util.java:217)
>> at
>> net.jini.jeri.BasicInvocationHandler.unmarshalReturn(BasicInvocationHandler.jav
>> a:1220)
>> at
>> net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocationHand
>> ler.java:803)
>> ... 5 more
> 
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