John Moore schrieb:
Caldarale, Charles R wrote:
From: John Moore [mailto:[EMAIL PROTECTED] Subject: Re: Tomcat to
Apache connection dies
Ok, I assume you mean the APR connector is the mod_jk.so which is on
the Apache side only.. ?
No - the APR connector is a replacement for the pure Java HTTP/AJP ones
on the Tomcat side.
Ok, now I'm confused...
Please be patient, but in all the years past I would compile a connector
for mod_jk.so that is placed in the ../apache/modules directory then I
would add the following to the server.xml,
Server container
<Listener className="org.apache.jk.config.ApacheConfig"
modJk="/usr/local/apache/modules/mod_jk.so" />
Host container
<Listener className="org.apache.jk.config.ApacheConfig"
append="true"
forwardAll="false"
modJk="/usr/local/apache/modules/mod_jk.so" />
... and I would be up and running.. (and would touch nothing else..)
So.. given that, what "connector" am I using ??
Thank you for your patience..
We use the term connector on both sides. On the httpd side it's an httpd
module, e.g. mod_jk. On the Tomcat side it's one of several choices one
can decide on.
What makes the things confusing is, that you can generate a mod_jk
configuration by using a Listener configuration on the Tomcat side. This
Listener does not mean, that Tomcat uses mod_jk, but it tells Tomcat to
generate a configuration for mod_jk. Once you've got a workinbg
configuration, you can remove those Listeners. They are not really
needed for a working connection between httpd and Tomcat.
On the Tomcat side, there are two different sets of choices for
connectors: protocol and implementation. For the protocol you can either
chosse http/https if you want to connect directly with the browser or
via an http reverse proxy. Or you choose the AJP13 protocol if you want
to connect via mod_jk or mod_proxy_ajp.
For both protocols, there exist different connector implementations on
the Tomcat side:
- Coyote (pure java, default, one thread per connection)
- APR connector, also called tcnative (native, i.e. C based, needs to be
compiled additionally, contains support for openssl, able to separate
idle connections from threads)
- NIO (Tomcat 6) (pure java, also able to separate idle connections from
threads, supports Comet)
Regards,
Rainer
httpd/mod_jk
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