Re: Help: UnmarshalException running Jini

You should probably post this to the JavaSpaces mailing list.

Need to see what's in your entry.  You have something in there that is
not serializing correctly.

BAR

-----Original Message-----
From: daphantomica [mailto:[email protected]] 
Sent: Thursday, April 10, 2008 10:26 PM
To: [email protected]
Subject: Help: UnmarshalException running Jini

 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);

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(BasicInvocat
ionHand
ler.java:825)
at
net.jini.jeri.BasicInvocationHandler.invokeRemoteMethod(BasicInvocationH
andler.
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.j
ava:286
5)
Caused by: java.io.EOFException
at
java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStrea
m.java:
2554)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1297)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:480)
at
com.sun.jini.landlord.LandlordLease.readObject(LandlordLease.java:208)
at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.ja
va:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753
)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at com.sun.jini.jeri.internal.runtime.Util.unmarshalValue(Util.java:217)
at
net.jini.jeri.BasicInvocationHandler.unmarshalReturn(BasicInvocationHand
ler.jav
a:1220)
at
net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocat
ionHand
ler.java:803)
... 5 more
java.rmi.UnmarshalException: exception unmarshalling response; nested
exception is:
java.io.EOFException
at
net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocat
ionHand
ler.java:825)
at
net.jini.jeri.BasicInvocationHandler.invokeRemoteMethod(BasicInvocationH
andler.
java:637)
at
net.jini.jeri.BasicInvocationHandler.invoke(BasicInvocationHandler.java:
507)
at com.sun.jini.outrigger.$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(ObjectInputStrea
m.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(DelegatingMethodAccessor
Impl.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(BasicInvocationHand
ler.jav
a:1220)
at
net.jini.jeri.BasicInvocationHandler.invokeRemoteMethodOnce(BasicInvocat
ionHand
ler.java:803)
... 5 more
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