Re: Serialization problem

From:
Thomas Fritsch <i.dont.like.spam@invalid.com>
Newsgroups:
comp.lang.java.help
Date:
Mon, 26 Feb 2007 14:18:58 GMT
Message-ID:
<newscache$mfq2ej$9z8$1@news.ops.de>
TonyB schrieb:

I'm writing an object to a file using serialisation. I based it on an
example from the net

    public void writeMyObject(){
        FileOutputStream fos = null;
        ObjectOutputStream out = null;
        try
        {
            fos = new FileOutputStream("test.dat");
            out = new ObjectOutputStream(fos);
            out.writeObject(myObject);
            out.close();
            System.out.println("Object Persisted");
        }
        catch(IOException ex)
        {
            ex.printStackTrace();

What output did you get here? Post the complete printed stack trace!

        }

myObject class has implements Serializable in its declaration.
What happens is I get a IOException when executing
out.writeObject(myObject);
What may cause this ?, and are there any further tests I can do to find out
the problem ?

Without the information contained the exception trace (see above) I can
only guess, but i don't want to.

Btw the file is created, but not closed properly.


--
Thomas

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