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From Henri Gomez <>
Subject Re: mod_jk does not detect a hung Tomcat
Date Thu, 25 Sep 2003 07:24:26 GMT
David Rees a écrit :

> Henri Gomez said:
>>>This won't work  with the pre-fork MPM, since each Apache child will
>>>its own idea of the timing.  The only way that it could tell that a
>>>failed is to try the request and fail :).
>>>>The idea needs to be flushed out some more. But we should be able to
>>>>enough data about how a worker is performing to make some simple
>>Well the code is ready, native (jk), java (tc 3.3 + jtc) and I've
>>updated documentations.
>>Added PING/PONG support in ajp13, and make use of select() to
>>determine if there is something to read.
>>I attached a copy of jk_ajp_common.c for review but I'd like to commit
>>the code before HEAD diverge. Since the new functionnalities are off
>>by default it shouldn't hurt ;)
> You work fast, Henri.  ;-)

The blocking read() need to be fixed for years :)

> If you want, I can test it out tomorrow.  If you can give me patches for
> Tomcat 4.1.27 and mod_jk, I'll see if I can get it compiled and run some
> quick tests.

If nobody object I'll commit it today, just wait jtc commiters to give
a confirmation since jk 1.2.5 should be released before.

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