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From Henri Gomez <>
Subject Re: failover-problem and session mixup: jakarta-tomcat-connectors/mod_jk: jk_ajp_common.c
Date Wed, 11 Feb 2004 09:57:36 GMT
Alexander Schwartz a écrit :

> Am Di, den 10.02.2004 schrieb Henri Gomez um 15:52:
>>To fix this serious bug we should modify the current service API.
>>We should store the POSTED datas in the jk_ws_service_t area and
>>not in ajp_operation_t, as such the first worker will feed the POST
>>datas in an area which will be available to the second one.
>>Aternate idea are of course more than welcome;
> As I understand it mod_jk is "stable", almost "deprecated", and mod_jk2
> is "the future". Therefore I suggest: 
>    * no API change in mod_jk
>    * mark the operation as unrecoverable when an error occurs after
>      the headers have been sent to the tomcat, that is only fixing
>      bugs and trying not to do big changes 
>    * concentrate your efforts on mod_jk2 and give people a reason to 
>      upgrade :)
> Marking the operation as unrecoverable might also solve the other
> (lb-)problem: when you shut down the first tomcat after it has already
> sent some data to the client mod_jk forwards the request to the second
> tomcat and appends the response of the second tomcat to the response of
> the first tomcat. I'll deliver a sample jk.log soon. 

Ok, I commited changes in CVS which should fix problem in POST recovery.

Thanks to take a look at it

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