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Posted to users@tomcat.apache.org by darinpope <da...@planetpope.com> on 2008/04/09 17:49:12 UTC

Re: AJP connector question

It's an (un)documented attribute called "packetSize" for the AJP connector:

https://issues.apache.org/bugzilla/show_bug.cgi?id=44541

The packetSize attribute is only good for 5.5.20+ and 6.0.2+.

However, I'm having issues with this myself. I've set my max_packet_size in
the worker and the packetSize in the AJP connector to the same values, but
when I look at the mod_jk.log, it appears that it is still using 8192:

received from ajp13 pos=0 len=8188 max=32768

If anyone has an answer to this issue, I'd appreciate an answer.

Darin

obalas wrote:
> 
> Hello, everybody,
> Can anyone help me out with this problem, i need to increase the header
> size for the AJP connector to at least 16K, and I noticed from the
> documentation that, unlike the standard connector on port 8080, the AJP
> connector does not recognize the maxHttpHeaderSize attribute. 
> Does anybody know a workaround solution for this?
> 
> Thanks in advance,
> Ovi
> 

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Re: AJP connector question

Posted by Rainer Jung <ra...@kippdata.de>.
darinpope schrieb:
> It's an (un)documented attribute called "packetSize" for the AJP connector:
> 
> https://issues.apache.org/bugzilla/show_bug.cgi?id=44541
> 
> The packetSize attribute is only good for 5.5.20+ and 6.0.2+.
> 
> However, I'm having issues with this myself. I've set my max_packet_size in
> the worker and the packetSize in the AJP connector to the same values, but
> when I look at the mod_jk.log, it appears that it is still using 8192:
> 
> received from ajp13 pos=0 len=8188 max=32768
> 
> If anyone has an answer to this issue, I'd appreciate an answer.
> 
> Darin
> 
> obalas wrote:
>> Hello, everybody,
>> Can anyone help me out with this problem, i need to increase the header
>> size for the AJP connector to at least 16K, and I noticed from the
>> documentation that, unlike the standard connector on port 8080, the AJP
>> connector does not recognize the maxHttpHeaderSize attribute. 
>> Does anybody know a workaround solution for this?
>>
>> Thanks in advance,
>> Ovi

The posted message comes from an AJP packet send by Tomcat back to 
mod_jk. The original motivation for increasing the AJP packet size was 
handling long HTTP headers (like when the client uses an SSL 
certificate, this was mostly broken with the default (KB size). It seems 
that Tomcat doesn't use the bigger size in its response packets, which I 
think is fine, because we don't expect a huge performance benefit from 
bigger packets/buffers (maybe even a negative result).

Regards,

Rainer

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Re: AJP connector question

Posted by darinpope <da...@planetpope.com>.
Tomcat 5.5.25
mod_jk 1.2.25
-- 
View this message in context: http://www.nabble.com/AJP-connector-question-tp16587397p16592150.html
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Re: AJP connector question

Posted by Rainer Jung <ra...@kippdata.de>.
darinpope schrieb:
> It's an (un)documented attribute called "packetSize" for the AJP connector:
> 
> https://issues.apache.org/bugzilla/show_bug.cgi?id=44541
> 
> The packetSize attribute is only good for 5.5.20+ and 6.0.2+.
> 
> However, I'm having issues with this myself. I've set my max_packet_size in
> the worker and the packetSize in the AJP connector to the same values, but
> when I look at the mod_jk.log, it appears that it is still using 8192:
> 
> received from ajp13 pos=0 len=8188 max=32768
> 
> If anyone has an answer to this issue, I'd appreciate an answer.

Darin: which versions of mod_jk and Tomcat are we talking about?

> Darin
> 
> obalas wrote:
>> Hello, everybody,
>> Can anyone help me out with this problem, i need to increase the header
>> size for the AJP connector to at least 16K, and I noticed from the
>> documentation that, unlike the standard connector on port 8080, the AJP
>> connector does not recognize the maxHttpHeaderSize attribute. 
>> Does anybody know a workaround solution for this?
>>
>> Thanks in advance,
>> Ovi
>>
> 

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