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I am getting the following error

org.springframework.orm.hibernate3.HibernateSystemException: could not deserialize; nested exception is org.hibernate.type.SerializationException: could not deserialize

All my classes implements serializable. Acutally I am fetching one list from DB and using it's value to fetch another result.

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  • Can you post the full stacktrace? That will help us to determine the issue more easily. Commented Oct 28, 2010 at 5:29

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Got Solution :

In one of my POJO there was field whose dataType was Serializabel(as it was nvarchar in DB) so change it to byte[] and problem was solved.

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could you explain more detail?
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Serialization is not only implementing Serializable. There are many other things you have to be aware of. Without a stack trace or some code, we really can't find out what's going wrong. Here are some pointers:

Also, as always:

Read Effective Java by Joshua Bloch, it contains a whole chapter on Serialization.

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All of the links you provided are broken. Could you please provide another one where I can go and read what the solution is?
@WowBow One link was broken, but it just took one quick Google to get the correct link. The others work, and my answer was posted one and a half years ago.

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