> So I'm using the 2016 1.2.40 version.
Think you have to build mod_jk to use the latest and greatest, this is what
I have in my notes (also from the website docs):
mod_jk.so build
yum install httpd-devel
download tomcat-connectors-x.x.xx-src.tar.gz
extract and cd into the native folder
cd /opt/apache-tomcat/tomcat-connectors-x.x.xx-src/native
./configure --with-apxs=/usr/bin/apxs
make
copy file ./apache-2.0/mod_jk.so to /etc/httpd/modules
make clean
(I only have a pretty much standard workers.properties so can't help much.)
On Sun, 21 Oct 2018 at 02:01, Jerry Malcolm <[email protected]> wrote:
> Thanks for the responses to my earlier post about websockets/JSPs.
> Http/2 is definitely the right answer for my issue there.
>
> HTTP/2 solved the problem with the throttling the multiple parallel
> requests with the browser connection limits. But now opening that
> throttle has now exposed a different problem at the server. Quick
> refresh.... I have an app that does not have many concurrent users at
> this time. However it does periodically have a very large number of
> concurrent requests (AJAX/REST) from a single client.
>
> I now realize that with the browser limiting concurrent requests in
> HTTP/1.1, mod_jk was not getting overwhelmed. But now that the
> floodgates have opened with HTTP/2, I realize that I have some serious
> configuration problems with mod_jk. The requests are clogging up in
> mod_jk, timing out, and logging errors something like "cannot get
> endpoint for worker". It then takes about 5 minutes for the clog to
> clear out before mod_jk is functional again for the other virtual hosts
> I'm hosting.
>
> Specifics... I'm using Apache 2.4.33, Tomcat 9.0. I tried to download
> the latest mod_jk.so. The latest mod_jk for httpd on the binaries
> download site is from 2016. All the versions for the past 2 years are
> iis only... I assume that's ok??? So I'm using the 2016 1.2.40 version.
>
> My question is.... how do I increase the number of 'endpoints' that
> mod_jk has access to? Is that a TC configuration or workers.properties
> setting? I want to make sure mod_jk has enough resources/endpoints to
> pass (i.e.not 'block') all the requests it receives. Once mod_jk is
> passing everything, I realize the flood might hit TC, and I may be back
> asking about increasing TC resources. But for now, I just want to get
> mod_jk opened up.
>
> Thanks again.
>
> Jerry
>
>
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