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From Jess Holle <je...@ptc.com>
Subject Re: JK and AJP protocol enhancements
Date Sun, 09 Jul 2006 14:03:54 GMT
Mladen Turk wrote:
> You see how desperate I am when writing this on Sunday :)
>
> Anyhow, we are pretty close to the new JK release that I
> hope will be the most usable and stable whatsoever.
>
> The things we agreed so many times before, but having
> obviously too little resources to actually create are
> the 1.3 branch (aka JK3) and the AJP protocol stuff.
>
> Now there is the problem with that. Henri even created
> a AJP1.4 protocol enhancements with all that login,
> discovery etc... (never implement but thats another story).
> Although we got close to the AJP 1.4 protocol conclusion
> last year, nowadays all that looks strange to me.
> All those things might be implemented, but IMHO only
> as a AJP1.5 protocol.
>
> What we desperately need right now are 3 things:
> 1. Allowing to have +8K headers
> 2. Allowing to have +0x9999 single header limit
> 3. Mechanism to tell the Tomcat to gracefully close
>    the connection.
>
> Now, the number 3 is very easy. A simple message
> like we have for SHUTDOW, but instead shutting down
> the entire Tomcat instance, closing down the socket/channel.
>
> OTOH first two are little bit tricky :)
> I have some ideas:
> 1. Larger headers can be treated as we handle the POST data.
>    If there are more headers then 8K, then a servlet container
>    should send GIVE_ME_MORE_HEADERS message.
> 2. If the single header is larger then 39321 bytes, then it
>    should be send as POST data, with servlet container requesting
>    8K packets. Those headers would be treated as multiple POST
>    sequences, after the initial header(s) packet(s) have been
>    read and before the actual POST data is read.
>
> Any comments?
Only that item (1) is a short-term must for some...

--
Jess Holle

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