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ObjectOutputStream.writeObject() behaves oddly

Posted on 2008-06-25
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Last Modified: 2008-06-25
The following code fragment:


        byte[] data = new byte[BUFFER_SIZE];
        byte[] end = null;
...
...
            while ((read = in.read(data, 0, BUFFER_SIZE)) != -1) {
                if (read == BUFFER_SIZE) {
                    out.writeObject(data);
                } else {
                    end = new byte[read];
                    System.arraycopy(data, 0, end, 0, read);
                    out.writeObject(end);
                }
            }

Reads segments of a file (in InputStream object)
and sends them to the OutputStream of a socket (out ObjectOutputStream object).

The problem is that the line:

out.writeObject(data);

always sends the content of data array read in the first iteration. This array is updated in every iteration but writeObject() method ignores these updates and writes the old value.

Does anybody have any explanation for this behavior or possible solution?

Thanks.
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Question by:UrosVidojevic
2 Comments
 
LVL 92

Accepted Solution

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objects earned 500 total points
ID: 21870890
thats because it is cached, call reset() to clear it.

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Author Comment

by:UrosVidojevic
ID: 21870915
Thanks, it works now.
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