Re: MVC or Model2 with Tomcat

André Warnier Sun, 04 Dec 2011 14:30:40 -0800

Blaxton wrote:




________________________________
 From: Pid * <p...@pidster.com>

To: Tomcat Users List <users@tomcat.apache.org>Sent: Sunday, December 4, 2011 11:10:08 PM

Subject: Re: MVC or Model2 with Tomcat

On 4 Dec 2011, at 16:17, Blaxton <blaxx...@yahoo.com> wrote:




________________________________
From: André Warnier <a...@ice-sa.com>
To: Tomcat Users List <users@tomcat.apache.org>
Sent: Sunday, December 4, 2011 6:51:58 PM
Subject: Re: MVC or Model2 with Tomcat

Blaxton wrote:

I have created ROOT directory and placed index.jsp in ROOT directory
the same as your example:
/path/to/appbase/ROOT/index.jsp    -> myhost.com/index.jsp

but that didn't work.

I followed following instructions but those didn't work either.

http://www.jguru.com/faq/view.jsp?EID=91006

http://wiki.apache.org/tomcat/HowTo#How_do_I_make_my_web_application_be_the_Tomcat_default_application.3F

is there any thing else I should do to work this out?

I wrote that second faq, but I don't see what it has to do with your problem.

You haven't answered Pid's question :

Why do you need to do that to implement MVC?

Nor his second question :

Without more information about your config, e.g. workers.properties it's
impossible to tell why this didn't work.

And please, do not top-post.  It is very hard to follow a discussion when you 
have to jump up and down in the mesage to understand what each phrase relates 
to.

Also, thank you for providing the versions of Apache httpd and Tomcat up-front.
But "mod_jk version 2", that does not exist.

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My bad, the subject should have been "serving .jsp files from apache document 
root"
I just want to access my website as follow:
www.mydomain.com/index.jsp

the same as the solustion you wrote, but that solustion didn't work for me.
maybe because in that solution you were talking about
CATALINA_BASE/webapps/ROOT directory
and I created CATALINA_BASE/webapps/myapplication/ROOT directory.

can we have ROOT directory for each application ?
like:

CATALINA_BASE/webapps/ROOT
CATALINA_BASE/webapps/firstapp/ROOT
CATALINA_BASE/webapps/secondapp/ROOT


No, you can't. None of the docs day you can.

ROOT is the special name for the default application, which serves
resources from / and handles all requests which are not handled by
other applications.

Putting ROOT inside other apps just results in publishing that whole
dir as /appname/ROOT.

If you don't provide other details of your config, no-one here will be
able to help, without a really, really lucky guess.


p

anyway, here is the out put of the package query on my FreeBSD box:
ap22-mo_jk-ap2-1.2.30_1 Apache2 JK module for connecting to Tomcat using AJP1X


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Its a virtual host with following lines have been added to main httpd.conf:
LoadModule jk_module          libexec/apache22/mod_jk.so
JkWorkersFile /usr/local/etc/apache22/workers.properties
JkShmFile     /var/log/mod_jk.shm
JkLogFile     /var/log/mod_jk.log

JkLogLevel debugJkLogStampFormat "[%a %b %d %H:%M:%S %Y] "


and following JkMount directives for each virtual host:
JkMount  /appexmp1/*     appexmp1
JkMount  /appexmp1/*.jsp appexmp1

and following is the worker file for two of the sites:
worker.list=appexmp2,appexmp1
worker.appexmp2.type=ajp13
worker.appexmp2.host=localhost
worker.appexmp2.port=8009
worker.appexmp1.type=ajp13
worker.appexmp1.host=localhost
worker.appexmp1.port=8109


Created separate directories in CATALINA_BASE/webapps/
for each application so , it contain following directories:
CATALINA_BASE/webapps/ROOT
CATALINA_BASE/webapps/appexmp1
CATALINA_BASE/webapps/appexmp2

context file for each application resides inCATALINA_BASE/conf/Catalina/localhost for example:

CATALINA_BASE/conf/Catalina/localhost/appexmp1.xml
CATALINA_BASE/conf/Catalina/localhost/appexmp2.xml

cat  CATALINA_BASE/conf/Catalina/localhost/appexmp1.xml
<Context path="/appexmp1" docBase="appexmp1" debug="0" reloadable="true" 
crossContext="true">
</Context>

and web.xml file as follow:
cat CATALINA_BASE/webapps/appexmp1/WEB-INF/web.xml
<web-app xmlns="http://java.sun.com/xml/ns/javaee"; version="2.5">
<servlet>
    <servlet-name>App1</servlet-name>
    <servlet-class>com.appexmp1.App1</servlet-class>
  </servlet>

  <servlet-mapping>
    <servlet-name>App1</servlet-name>
    <url-pattern>/APP1</url-pattern>
  </servlet-mapping>

  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>

</web-app>


I already can access mydomain.com/App1/index.jsp and every thing works fine
but want to be able to serve .jsp files as follow:
mydomain.com/index.jsp
for each of my virtual hosts.

I hope I have provided enough information.

No. :-)

What we are still missing, is how you have defined the DocumentRoot in each of your Apachehttpd VirtualHost's. And also any Alias directive which mentions "App1".

Because with your above setup, calling "mydomain.com/App1/index.jsp" can only work, if youhave allowed Apache httpd to access your Tomcat applications directory directly. Whichyou should not do.


Here is a reason why you should not do this :
Try the following URL :
mydomain.com/App1/WEB-INF/web.xml
What do you see ?
Do you want users to see that ?




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