Tomcat 5 is not generating IOException when connection closes

[Paulo Pizarro]

I have a servlet with a persistent connection open to a client 
(browser), and when the browser is closed or the user hits the stop 
button, the connection is closed, but the servlet isn't throwing the 
IOException when it should do it.
(i guess)

As i could notice, after about 8k of data being written to the client 
after the connection has been closed, the serlet gets the IOException.

I think that perhaps tomcat is buffering the data and only when this 
buffer is full the IOException is thrown, even when we make a explicit 
call to out.flush().
The strange thing is that when the connection is open, the client 
receives data in real time, with no buffering or very little buffering.

Has anyone ever had this problem? I tried to call the method 
response.setBufferSize(0), but it didn't work.

Below is the piece of code that writes the data to the ServletOutputStream.

ServletOutputStream out = response.getOutputStream();

public void send(String s) throws IOException {
                      out.write(s.getBytes(), 0, s.length());
                      out.flush();
}
thanks in advance,
Paulo


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