I'm having doubts that mod_jk is actually loading. You say httpd.conf contains this line:
LoadModule jk_module modules/mod_jk.so
Unless you have a 'modules' directory under your ServerRoot that line
should probably be /usr/local/lib/apache/mod_jk.so or something
similar.
Try this command and see what it turns up:
find /usr -name mod_jk.so
Use the full path in the LoadModule directive and force httpd to reload
its config.
On Mon, 2011-12-19 at 22:26 +0100, André Warnier wrote:
> I'll continue to top-post, since you do.
> (Note that this is not the most logical way to have a conversation; it is
> easier when
> questions and responses follow a logical top-down order).
>
> Summary :
> - your Apache httpd configuration looks OK
> - your Tomcat AJP Connector looks OK
> - you can connect with a browser to the HTTP port of Tomcat, and with the URI
> "/", you get
> the Tomcat homepage
> - you can ping the Tomcat server from the Apache httpd server
> - from the Apache httpd server, you can telnet to port 8009 of the Tomcat
> server
> - if you remove the "JkMount" directive from the Apache httpd configuration,
> you get the
> expected Apache httpd page
> - if you insert the JkMount directive, you get a message saying that Tomcat
> cannot be reached
> ...
> Obviously, something is wrong in the above list. If, from the command-line
> on the Apache
> httpd host, you can establish a TCP connection to the Tomcat host on port
> 8009 using
> telnet, then there is no immediate reason why mod_jk should not be able to do
> the same.
>
> Unless mod_jk is trying to connect to some other host than the one running
> Tomcat.
>
> The thing which causes a bit of doubt there, is that in your
> workers.properties file, you
> use the hostname "server2.ourlab.com" for Tomcat, while in all your other
> checks and
> messages, you use the hostname "tomcatappserver".
> Is this just a matter of typing and censoring, or are these really two
> different names ?
> Or are they really two different hosts ?
> That they /should/ be the same host, does not necessarily mean that they
> /are/.
>
> Can you confirm that using the /same/ hostname in your workers.properties
> file and in your
> ping and telnet tests, everything goes as you have described it so far ?
>
> Note that you can also use the JkLogFile and JkLogLevel directives, to get
> more explicit
> error messages from mod_jk. But seen the above, it would probably just tell
> you that it
> cannot connect to "server2".
>
>
> Troy-McKoy, Vickie wrote:
> > Yes. From the apache host, I pinged and telneted the tomcat host.
> >
> > # ping tomcatappserver
> > PING tomcatappserver (nn.n.nn.nnn) 56(84) bytes of data.
> > 64 bytes from tomcatappserver (nn.n.nn.nnn): icmp_seq=1 ttl=64 time=0.140
> > ms
> >
> >
> > # telnet tomcatappserver 8009
> > Trying nn.n.nn.nnn...
> > Connected to tomcatappserver (nn.n.nn.nnn).
> > Escape character is '^]'.
> > Connection closed by foreign host.
> >
> > When I attempt to connect to the tomcatappserver via the
> apachewebserver, in firefox browser I get: "Unable to connect".
> "Firefox can't establish a connection to the serer at
> tomcatappserver:8009."
> >
> > I just noticed if I put in the browser, the tomcatappserver url with
> the default port, I get the Apache Tomcat/7.0.14 page. But, if I put
> in the apachewebserver url with the default port, I get this
> message:
> >
> > Service Temporarily Unavailable
> > The server is temporarily unable to service your request due to
> maintenance downtime or capacity problems. Please try again later.
> >
> --------------------------------------------------------------------------------
>
> > Apache/2.0.64 (Unix) mod_jk/1.2.32 Server at xxxxx Port 80
> >
> >
> > When I remove the JkMount and JkWorkersFile from httpd.conf, I get
> the default Apache web server page.
> >
> >
> >
> >
> > -----Original Message-----
> > From: Tim Watts [mailto:t...@cliftonfarm.org]
> > Sent: Monday, December 19, 2011 2:20 PM
> > To: Tomcat Users List
> > Subject: RE: AJP 1.3 Connector
> >
> > On Mon, 2011-12-19 at 13:42 -0500, Troy-McKoy, Vickie wrote:
> >> Thanks for your response.
> >>
> >> When I ping server2, I get valid responses coming back. When I
> telnet
> >> to server2 on port 8009, I am also able to connect.
> >>
> >
> > Did you do the telnet test from a shell on the apache host? Did you
> use the exact name *as configured* (i.e. server2.ourlab.com)?
> >
> > What's the exact error message you're getting and which component
> (browser, apache) is reporting it?
> >
> >
> >> -----Original Message-----
> >> From: André Warnier [mailto:a...@ice-sa.com]
> >> Sent: Saturday, December 17, 2011 7:14 AM
> >> To: Tomcat Users List
> >> Subject: Re: AJP 1.3 Connector
> >>
> >> Vickie Troy-McKoy wrote:
> >>> Hi,
> >>>
> >>> I'm in need of a little help. I'm trying to get my tomcat and
> >> apache web server instances communicating; they are running on two
> >> different physical servers. When I attempt a test of the application
> >> url, it basically says that a connection cannot be established. I am
> >> running the following:
> >>>
> >>> RHEL Release 5.6 (x86_64)
> >>> Apache Tomcat 7.0.14
> >>> Apache/2.0.64
> >>> mod_jk/1.2.32
> >>>
> >>> On the 1st physical server, the apache webserver instance resides:
> >>>
> >>> httpd.conf contains the following:
> >>>
> >>> LoadModule jk_module modules/mod_jk.so # JkWorkersFile
> >>> conf/workers.properties JkMount /* server2
> >>>
> >>> workers.properties contain the following:
> >>>
> >>> worker.list=server2
> >>> worker.server2.port=8009
> >>> worker.server2.host=server2.ourlab.com
> >>> worker.server2.type=ajp13
> >>> worker.server2.lbfactor=1
> >>> worker.server2.socket_keepalive=1
> >>>
> >>>
> >>>
> >>> On the 2nd physical server, the apache-tomcat instance resides:
> >>>
> >>> server.xml contains the following:
> >>>
> >>> <!-- Define an AJP 1.3 Connector on port 8009 -->
> >>> <Connector port="8009" enableLookups="false" protocol="AJP/1.3"
> >>> redirectPort="8443" />
> >>>
> >>> <Connector port="8443" maxHttpHeaderSize="8192" protocol="HTTP/1.1"
> >> SSLEnabled="true"
> >>> [and various other settings]
> >>>
> >>>
> >>>
> >>> I am missing something. Can someone please provide help? Thank
> >> you...
> >>>
> >> Hi.
> >> Your configuration looks fine.
> >> The problem then should be with the network.
> >> Try the following :
> >> From the Apache httpd server (command-line),
> >>
> >> 1) enter :
> >> ping server2.ourlab.com
> >>
> >> If you get regular messages showing that the ping packets are being
> answered, it's fine.
> >> If you get error messages, then you have a basic network problem
> accessing server2.ourlab.com from your Apache host.
> >>
> >> (faked) example of a "good" answer :
> >> PING server2.ourlab.com (192.168.20.1) 56(84) bytes of data.
> >> 64 bytes from server2.ourlab.com (192.168.20.1): icmp_seq=1 ttl=64
> >> time=0.326 ms
> >> 64 bytes from server2.ourlab.com (192.168.20.1): icmp_seq=2 ttl=64
> >> time=0.158 ms
> >> 64 bytes from server2.ourlab.com (192.168.20.1): icmp_seq=3 ttl=64
> >> time=0.156 ms
> >>
> >> Example of a bad answer :
> >> - unknown host
> >> - network is not reachable
> >> etc..
> >>
> >> 2) If the above is fine, then :
> >> enter :
> >> telnet server2.ourlab.com 8009
> >>
> >> It should at least connect (and may drop the connection right
> away),
> >> but the point is : is it connecting ? If it is, you will get an
> answer
> >> similar to this :
> >> Trying 192.168.20.1...
> >> Connected to colin-int.
> >> Escape character is '^]'.
> >>
> >> xxx
> >> Connection closed by foreign host.
> >>
> >>
> >>
> >>
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