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From "Ben Stringer" <...@burbong.com>
Subject Re: mod_jk 1.2.37 never send ping rq
Date Thu, 07 Mar 2013 00:07:14 GMT
> hi all
>
> i setup apache <--> mod_jk <--> tomcat the firsttime with firewall. what
i
> saw was a not working page. after search and read the mod_jk docs
> i see and found the reason. the firewall drop the jk connection. i try to
> set properties like keep_alive and ping but i never see with wireshark any
> package do exact the job, what i read from the doc (might i missunderstand
> something) --> send after some time a ping.
> i expect this on the ajp connection. i watch the complete traffic between
> apache and tomcat
>
> my config is stright forward:
>
> worker.list=jkstatus, tc
>
> worker.jkstatus.type=status
>
> worker.tc.type=lb
> worker.tc.balance_workers=1
>
> worker.1.type=ajp13
> worker.1.host=192.168.13.50
> worker.1.port=8009
> worker.1.socket_keepalive=1
> worker.1.ping_mode=A
> worker.1.ping_timeout=10000
> worker.1.connection_ping_interval=9000
> worker.1.connection_pool_size=1
>
> worker.2.type=ajp13
> worker.2.host=192.168.13.51
> worker.2.port=8009
> worker.2.socket_keepalive=1
> worker.2.ping_mode=A
> worker.2.ping_timeout=10000
> worker.2.connection_ping_interval=9000
> worker.2.connection_pool_size=1
>
> i play with the values but i never see something periodical at the network
> side.
>
> my system:
>
> redhat 6.4 / 64bit, apache 2.2.15 and mod_jk 1.2.37 --> tomcat latest
>
> any help / comment is wellcome
>
> thanks dietmar
>

Hi Dietmar,

It sounds to me that socket_keepalive is what you are after.

In your properties file above, you have set it to "1", but it should be
set to "True".

Cheers, Ben


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