It might be worth your while having a look at JSX as an alternative to standard
Java serialization. JSX serializes Java objects to XML which, being plain text,
may be easier to manage.
I haven't done any serious work with JSX yet but it seems to work well in the
trials I've done.

Check out

Have Fun,
John L.

Quoting Stuart Barlow <[EMAIL PROTECTED]>:

> I am attempting to serialize objects into Postgresql using the
> JDBC driver. I am attempting to do this the standard way
> using Object and Byte streams.
> To store the object to the database in a text (blob) field I use the
> following code to turn my object into a byte[].
>              // create the serialized object and store in the database
>              EncryptionInfo serObj = new EncryptionInfo(32, 32);
>              ByteArrayOutputStream bos = new ByteArrayOutputStream();
>              ObjectOutputStream p = new ObjectOutputStream(bos);
>                  p.writeObject(serObj);
>                  p.flush();
>              byte[] data = bos.toByteArray();
> This seems to go into the database with no errors.
> However when I retieeve the data using the following code...
> ByteArrayInputStream bis = new ByteArrayInputStream(data);
>          ObjectInputStream p = new ObjectInputStream(bis);
>          EncryptionInfo ei = (EncryptionInfo)p.readObject();
> I get the following error...
> InputStream does not contain a serialized object
> Thanks.
> Stuart Barlow.
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