Apache - mod_jk - tomcat site filesystem question

hi all
we finished today to set up apache+mod_jk+tomcat togheter
we done it because in this way apache will serve static pages and tomcat jsp + servlet right?
now, a (maybe stupid) question:
how to make apache serve static pages and tomcat jsp & servlets? shall we divide our site into two directories (one, with static pages and the other with servlet and jsp) or there is a way to map our site under tomcat and apache in order to avoid such a division?
thanx a lot
sandro

thanx a lot for your answer
but i need another suggestion:
lets imagine i have my little site with this directory sistem:
directory "mysite"
here a lot of *.htm files and a directory named "dinamic" containing all the dinamic content (*.jsp and the WEB-INF/classes/*.class files)
now my question is:
can I leave this structure intact or shall i divide the *.htm files from the dinamic content?
what do the standard tell?
thanx a lot
sandro

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I'm trying to get Apache and Tomcat to communicate via mod_jk. I have had this working fine in the past on servers running 10.4 through 10.6.
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Has anyone got mod_jk working under Mountain Lion? Is there a better forum for this question...
cheers

OK, it seems that mod_jk isn't getting loaded by Apache and I can't figure out why. No error messages or anything?

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My question is a little bit off topic.
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usually u generate a keystore for client, and mention that in ur SSL connector of tomcat
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Apache/SSL Tomcat config weirdness...

I thought I read a post related to this recently, but I can't find it (the forum search is flaky lately), so I'm making my own post...
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I wouldn't say most... you've been pretty busy yourself...
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Apache + 2 Tomcats session replication problem.

Greetings everyone.
Before stating the problem, let me explain how my environment is set.
I have two machines. One (PC1) running Apache (HTTP server 2.0.58)
and one instance of Tomcat (5.0.28) and another machine (PC2) with
another instance of Tomcat(5.0.28).
The Apache server
It is configured to handle static content, to redirect dynamic content to a
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The workers.properties file is configured to have sticky_session = True
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The workers.properties file is configured to have
sticky_session_force = True so if the Tomcat the SESSION_ID was
assigned is not available, the server answers with a 500 error.
The Tomcat servers
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Both have the Cluster tag from the server.xml file uncommented
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replication between Tomcats.
The workers.properties file
workers.apache_log=C:/Apache2/logs
workers.tomcat_home=C:/Tomcat5
workers.java_home=C:/j2sdk1.4.2_13
ps=/
#Defining workers -----------------------------
worker.list=balancer,jkstatus
#Defining balancer ---------------------------
worker.balancer.type=lb
worker.balancer.balance_workers=tel1, tel2
worker.balancer.sticky_session=True
worker.balancer.sticky_session_force=True
worker.balancer.method=B
worker.balancer.lock=O
#Defining status -----------------------------
worker.jkstatus.type=status
worker.jkstatus.css=/jk_status/StatusCSS.css
#Workers properties ---------------------------
worker.tel1.type=ajp13
worker.tel1.port=8009
worker.tel1.host=127.0.0.1
worker.tel1.lbfactor=1
worker.tel1.socket_keepalive=False
worker.tel1.socket_timeout=30
worker.tel1.retries=20
worker.tel1.connection_pool_timeout = 20
#worker.tel1.redirect=tel2
worker.tel1.disabled=False
worker.tel2.type=ajp13
worker.tel2.port=8009
worker.tel2.host=199.147.52.181
worker.tel2.lbfactor=1
worker.tel2.socket_keepalive=False
worker.tel2.socket_timeout=30
worker.tel2.retries=20
worker.tel2.connection_pool_timeout = 20
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worker.tel2.disabled=False
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I open a browser in the jk-status page to see how the Tomcat instances are
working, and both are working fine: Stat -> OK, now as the
loadbalancing factor is 1 on both Tomcats, an even alternating session
distribution is set.
While this browser is open to keep an eye on the status, I open a new
browser (B1)to connect to my Web Application, Apache answers
correctly and gives me a SESSION_ID for Tomcat instance 1 [both
instances are OK], if I make a simple refresh, my SESSION_ID is still the
same so I'm assigned to Tomcat instance 1 but this time I get an
ERROR 503 - Service unavailable but looking at the status of the
Tomcat instances both instances are still OK, no-one is down. And it
stays throwing this error for as many refreshes i do.
Now, I open a new browser (B2)and do the same process as before,
as expected, Apache now gives me a SESSION_ID for Tomcat instance 2,
repeating the same refreshing process, the error is thrown again, but still at
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Without closing these windows, I make a new refresh try on B1 and
even though the jk-status says both Tomcat instances are OK, the error
is still thrown. I open a third one (B3), and Apache again, correctly
gives me a new SESSION_ID for Tomcat instance 1 and answers
correctly on the first call. But once again if i repeat the refreshing process, the
error is thrown again.
Note: Using a different resolution to always keep and eye on the
instances status and using a refresh rate of 1 second for status, both
servers always were OK.
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to the same tomcat, Apache confuses and thinks it is not available, when
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I've been trying different configurations with both Apache and Tomcat,
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- @alphazygma

Whew... that was quite an answer... definitely is going to help him a lot. Yeah any n00b by now should know how to use google, but that's not the point in this forums, here we are to help each other. and wether you like it or not many of us deploy applications to tomcat and stumble on this. So dont try to be cool posting this kind of answers like google this or google that if you dont have an answer please dont comment you will appear to be more noobish than you aparently are.
Well enough talking.
I found the following useful: (it comes in the server.xml of the tomcat configuration)

Enabling that entry on both machines should be enough.
Aparently the problem is not with apache. is with tomcat since it can't retain the session apache gives.
more information in the Tomcat help at:
http://tomcat.apache.org/tomcat-5.0-doc/balancer-howto.html#Using%20Apache%202%20with%20mod_proxy%20and%20mod_rewrite

Integrating Apache with Tomcat?

Anyone have a guide to integrating Apache with Tomcat using mod_jk?
I followed some guides online, but they all seem really dated with some obscure references. This seems like it should be on the top of the list....

Hi Alan.
I've discovered the exact same problem.... 0.0.0.0 instead of 127.0.0.1
You've obviously not had any replys here, but di you end up working it out on your own?

Apache with Tomcat and dispatcher class.

I have a MVC design set up with a controller and dispatcher class. I am trynig to forward the results to a specific JSP. If I run the design completely within Tomcat, then everything works great. I have a tomcat site set up called /jsp. My servlet is within the jsp site. So if I do http://localhost:8080/jsp/mypage.jsp it will bring up the page fine. I then submit to and action of /myservlet?action=test. The servlet/dispatcher classes process and forward the request to "/jsp/mypage_result.jsp". All is fine and dandy.
However, when I try to run this through Apache first let the MOD_JK2 send the JSP/servlet requests to Tomcat the dispatcher doesn't work. I alway get the ERROR 404 page within tomcat (see note 1 below). Even if I use a "./mypage_result.jsp", because the pages are in the same directory, I still the get the error. Can anyone help?
What I think is happening is that when I make the inital request of http://localhost/jsp/mypage.jsp the request gets sent to Tomcat from Apache. Tomcat processes the jsp page and displays the result to the client. The user submits the data to the servlet (through Apache which pushes it to Tomcat). The servlet/dispatcher code runs and then gets ready to forward the request on. Where I get confused or I am completely guessing is that when the forward method gets called. Does it forward the request on as a HTTP request or as a request within Tomcat? I would guess it is an http request and the request comes in through Apache which (depending on the worker2.properties file) will or will not forward the request to Tomcat. This is where the problem happens. On this forward in the dispatcher class.
Please help.
NOTE 1:
HTTP Status 404 - /mypage_result.jsp
type Status report
message /mypage_result.jsp
description The requested resource (/mypage_result.jsp) is not available.
Apache Tomcat/4.1.24

After reading the documentation for the getRequestDispatcher method it seems that the file you are forwarding to must be in the same context. Well if it is in the same context within Tomcat, does it mean it is the same when I am trying to use Apache?
Anyone out there go this to work?
Thank you in advance for reading my post.

Right problem with apache and tomcat

Bonjour;
I use a user login "apache" to stop/start Apache and tomcat. Because never launching apache et tomcat as root.
But I have the following problem with apache (file error.log) :
[Tue May 6 17:26:22 2003] [error] Connection "warpConnection" cannot connect
[Tue May 6 17:26:22 2003] [error] Cannot open connection "warpConnection"
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# httpd

Which is better for servers, Apache or Tomcat?

Which is better for servers, Apache or Tomcat?

For some reason that link I gave you isn't working right now, but it was today, weird. I would get Tomcat simple because sun uses it in its examples and recommends it. Here's sun's link then, it's probably more useful anyway. http://java.sun.com/products/jsp/

Apache 2, Tomcat 4 and Oracle's XSQLServlet not working together

Hi
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Last edited by fredbezies (2011-10-05 14:58:07)

Apache - mod_jk - tomcat site filesystem question

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