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Message:

You can't serialize object size > 64K

Posted by venu on February 12, 2002 at 12:16 AM

> import java.io.*;

> class test implements java.io.Serializable
> {
> public String x = null;
> public int i = 0;

> public test(String y, int x)
> {
> this.x = y;
> this.i = x;
> }
> }

> public class FileIO {

> public FileIO() {
> }
> public static void main(String[] args) {

> try
> {
> // writing to the file
> FileOutputStream fo = new FileOutputStream("x.dat");
> ObjectOutputStream oo = new ObjectOutputStream(fo);

> test x = new test("Senthoor",5);
> oo.writeObject(x);
> oo.flush();
> oo.close();
> fo.close();

>
> // writing again to the file
> fo = new FileOutputStream("x.dat", true);
> oo = new ObjectOutputStream(fo);

> test y = new test("Luxman",10);
> oo.writeObject(y);
> oo.flush();
> oo.close();
> fo.close();

>
> //reading from the file

> FileInputStream fi = new FileInputStream("x.dat");
> ObjectInputStream oi = new ObjectInputStream(fi);
> oi.readObject();
> test z = (test)oi.readObject();
> System.out.println("String : " + z.x);
> System.out.print("int : " + z.i);
> fi.close();
> }
> catch(Exception e)
> {
> System.out.println("ERROR : " + e.toString());
> }
> }
> }

> Whats wrong with this code... I am getting Type code out of range, is -84 when I execute this code. I can write objects for the first time and close the stream and read them back. However when I open the file in append mode and add some more objects and try to read them I am getting Type code out of range, is -84... Please help me...

> Senthoor

Check with this link
If JVM version prior to 1.3 trying to serialize More than 64K.
It will throw an exception.
The following link talks about this.
http://java.sun.com/j2se/1.3/docs/guide/serialization/relnotes.html