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Questions tagged [optionaldataexception]

10 questions
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Java OptionalDataException using ObjectInputStream.readObject()

The object class I am writing to disk is defined as follows: public class EntityTableLink implements Index>, Serializable { private Map>>> idx; public EntityTableLink() { …
Martin Pekár
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Java Exception java.io.OptionalDataException

I getting the following exception when deserializing an Object: java.io.OptionalDataException java.io.ObjectInputStream.readObject0(Unknown Source) java.io.ObjectInputStream.readObject(Unknown Source) java.util.HashSet.readObject(Unknown…
Georges Lteif
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OptionalDataException Java

I am making a voice chat program and I got the OptionalDataException error and I never had this problem with the code before I added voice. The voice communication is handles by a different socket so I don't see the problem. Code: public…
Marcus Mardis
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Using readObject to get byte[][] giving OptionalDataException

I have a slight problem reading some files I have made. I am making a game and have decided to make my own file type for the maps. I have made a special application to make these map files. Once I instantiate a map I can choose to call…
707090
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Java OptionalDataException when sending data from client to server

I am writing a program in Java that sends data from client to server. I'm getting an OptionalDataException while sending a file from client to server. I've tried checking the order of inputstream and outputstream but couldn't get it right. I don't…
Nafiu Rahman
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Storm topology stops emitting after StormServerHandler Netty error caused by OptionalDataException

We have a storm cluster running with 3 nodes and multiple topologies. We use apache-storm-1.2.2 with java 1.8.0_162 Currently we have the problem that a random topology stops emitting at random times after an error occurs and the Netty server is…
Daniel Storch
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I am getting OptionalDataException in the following Program. why this error is coming

I am trying to encrypt password before serialization I am getting OptionalDataException in the following code. I read many article like "read non transient variable before , EOF in program, read in same way as you write in file etc .. …
user3431530
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ObjectInputStream readobject doesnt work OptionalDataException

when I use readObject I get OptionalDataException (An attempt was made to read an object when the next element in the stream is primitive data), how do I fix this? Page is Serializable. writeObject works. public Map>…
user3537725
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Java OptionalDataException when only serializing objects (no primitive data types anywhere)

I'm dealing with a strange OptionalDataException that I can't figure out. I have objects coming in, which are saved to disk by a class that write them by decorating an OutputObjectStream and calling its writeUnshared method. Periodically, every…
Tom
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Android: OptionalDataException upon ObjectInputStream.readObject()

Situation : From my Android server, I'm sending a simple String OBJECT to the client. I use ObjectOutputStream at the server, and ObjectInputStream at the client. Server code: mOutput.flush(); mOutput.reset(); …
Abhishek
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