Re: [OT] Serializing HttpSession Object

[Craig McClanahan]

Johan Wasserman - CPX Mngd Services wrote:

I need to serialize the session and save it to a blob in MySql (i use
Hibernate).
I have tried, for example;
...
ByteArrayOutputSream baos = new ByteArrayOutputstream();
ObjectOutputStream oos = new ObjectOutputStream(boas);
oos.writeObject(session);  //<-- it fails here, nothing in the logs
byte[] sessionAsBytes = baos.toByteArray();
...
I need this to give the user the option to restore a previous session
(where they where before they last logged out, with all the session
variables required to restore to that point).
Thanks, Johan.

 

You are likely to fail at serializing the HttpSession object itself, 
because the container makes no guarantees that the implementation class 
will be Serializable.  What you might want to consider is just saving 
and restoring the session attributes themselves.

Craig

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