Mark,
I tried just writing to the PrintWriter. I do not see the chunking in the
response. Can you spot any obvious mistake here?
private HttpServletResponse connection; // Set in
constructor
PrintWriter writer = connection.getWriter();
for (int j = 0; j < pendingEvents.length; j++) {
String eventString =
converter.convert(pendingEvents[j]);
eventString = eventString + "\r\n";
writer.print(eventString);
writer.flush();
}
Thanks,
Sudeep
-----Original Message-----
From: Mark Thomas [mailto:[email protected]]
Sent: Monday, July 25, 2011 12:37 PM
To: Tomcat Users List
Subject: Re: Comet: How to send *Chunked* response
On 25/07/2011 19:23, Sudeep Pradhan wrote:
> Hi,
>
> I am using CometProcessor to stream event notifications from server to
> client. The events are generated at random. I want to send the notification
> with Transfer Encoding as chunked so that I can use Apache's
> ChunkedInputStream to parse the output.
>
> I get the PrintWriter from the ServletResponse using the getWriter() and I
> write the event notification on this writer. I want this to be in chunk
> format of length-payload. Currently I do the following:
>
> PrintWriter writer = connection.getWriter();
> for (int j = 0; j < pendingEvents.length; j++) {
> String eventString =
> converter.convert(pendingEvents[j]);
> eventString.concat("\r\n");
> final String length =
> Integer.toHexString(eventString.length());
> writer.print("\r\n" + length + "\r\n");
> writer.print(eventString);
> //logger.info("Writing:" + eventString);
> }
>
> But this generates a Bad Chunk size exception on client.
Just write and flush the content. Tomcat will handle the chunking for you.
Mark
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