[OpenLayers-Users] CGI and Tomcat

Wed Sep 9 17:02:27 EDT 2009

Hello,
Are you sure this is all you did to get the proxy.cgi script working with Tomcat?  I followed these steps for Tomcat 6 (didn't have to rename the .jar) without success.  I was able to use the proxy.cgi without trouble in Apache Server 2.0, but I get the following error after switching to Tomcat:

"Some unexpected error occurred. Error text was: <urlopen error (11001, 'getaddrinfo failed')>"

I created a test.cgi to print "Hello World" and placed it in the same directory as proxy.cgi, "<TOMCAT HOME>\webapps\OlApp\WEB-INF\cgi\".  The url "http://localhost:8081/OlApp/cgi-bin/test.cgi" printed "Hello World" as expected, so I believe the CGI is set up correctly in Tomcat.  I then added urlopen() to make the test.cgi script look like:

#!c:/Program Files/Python25/python.exe -u

import urllib2
import cgi
import sys, os

fs = cgi.FieldStorage()
url = fs.getvalue('url', "http://www.openlayers.org")
try:
    y = urllib2.urlopen(url)
    y.close()

    print "test"
    print "Content-Type: text/plain"
    print
    print "Hello World"
except Exception, E:
    print "Status: 500 Unexpected Error"
    print "Content-Type: text/plain"
    print 
    print "Some unexpected error occurred. Error text was:", E

I get the same "<urlopen error (11001, 'getaddrinfo failed')>" message.  My environment is Tomcat 6, Apache 2, Win XP, Python 2.5, and Geoserver is running on another server on the intranet.  I have my local firewall turned off.  Proxy support is enabled, and working, in Apache 2.0.  I've learned quite about proxys while researching this issue, but still have not solved it.  Any direction or solution is greatly appreciated.

-Josh

-----Original Message-----
From: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org] On Behalf Of Juan Arévalo
Sent: Sunday, August 16, 2009 4:13 PM
To: users at openlayers.org
Subject: Re: [OpenLayers-Users] CGI and Tomcat

Hi!

I have finally managed to display my WFS example in the map! It is not so
obvious to set up the proxy host in Tomcat! I would like to share with you
all the steps  I followed, in case that someone need it:

1.- I modified the file: "web.xml" C:\Archivos de programa\Apache Software
Foundation\Tomcat 5.5\conf\web.xml. I uncomented the following lines of
code: 

    <servlet> 
         <servlet-name>cgi</servlet-name> 

<servlet-class>org.apache.catalina.servlets.CGIServlet</servlet-class> 
        <init-param> 
              <param-name>debug</param-name> 
              <param-value>0</param-value> 
        </init-param> 
        <init-param> 
              <param-name>cgiPathPrefix</param-name> 
              <param-value>WEB-INF/cgi</param-value> 
        </init-param> 
        <load-on-startup>5</load-on-startup> 
    </servlet> 

    <servlet-mapping> 
          <servlet-name>cgi</servlet-name> 
          <url-pattern>/cgi-bin/*</url-pattern> 
    </servlet-mapping> 

You have also to add this piece of code:

      <param-name>executable</param-name>
        <param-value>c:\python25\python.exe</param-value> 
       </init-param>

<init-param>
<param-name>passShellEnvironment</param-name>
<param-value>true</param-value>
</init-param>

2.- I renamed the file servlets-cgi.renametojar to servlets-cgi.jar under
the folder: C:\Archivos de programa\Apache Software Foundation\Tomcat
5.5\server\lib 

3.- I downloaded the "proxy.cgi" file from Openlayers:
http://trac.openlayers.org/browser/trunk/openlayers/examples/proxy.cgi and
copy the file in a folder called "cgi-bin" that I created under my
directory: "C:\Archivos de programa\Apache Software Foundation\Tomcat
5.5\webapps\client\WEB-INF\cgi\proxy.cgi" 

4.- In the proxy.cgi file I included my machine in the allowed hosts: 

allowedHosts = ['demo.mapfish.org', 'localhost:5000', 'localhost',
'127.0.0.1'] 

5.- I included this piece of code in my map: 

OpenLayers.ProxyHost = "/client/cgi-bin/proxy.cgi?url=";
6.- I also included in our client folder the context.xml file:

C:\Archivos de programa\Apache Software Foundation\Tomcat
5.5\webapps\client\META-INF\context.xml

Make sure that the privileged is set to: "true":

<Context privileged="true" antiResourceLocking="false"
antiJARLocking="false" />

7.- Restart Tomcat. 

Juan 

Juan Arévalo wrote:
> 
> Hi list,
> 
> I am still having some difficulties to set up the proxy host in Tomcat.
> Here are the steps I followed:
> 
> 1.- I modified the file: "web.xml" C:\Archivos de programa\Apache Software
> Foundation\Tomcat 5.5\conf\web.xml. I uncomented the following lines of
> code:
> 
>     <servlet>
>          <servlet-name>cgi</servlet-name>
>        
> <servlet-class>org.apache.catalina.servlets.CGIServlet</servlet-class>
>         <init-param>
>               <param-name>debug</param-name>
>               <param-value>0</param-value>
>         </init-param>
>         <init-param>
>               <param-name>cgiPathPrefix</param-name>
>               <param-value>WEB-INF/cgi</param-value>
>         </init-param>
>         <load-on-startup>5</load-on-startup>
>     </servlet>
> 
>     <servlet-mapping>
>           <servlet-name>cgi</servlet-name>
>           <url-pattern>/cgi-bin/*</url-pattern>
>     </servlet-mapping> 
> 
> 2.- I renamed the file servlets-cgi.renametojar to servlets-cgi.jar under
> the folder: C:\Archivos de programa\Apache Software Foundation\Tomcat
> 5.5\server\lib
> 
> 3.- I downloaded the "proxy.cgi" file from Openlayers:
> http://trac.openlayers.org/browser/trunk/openlayers/examples/proxy.cgi and
> copy the file in a folder called "cgi-bin" that I created under my
> directory: "Tomcat 5.5\webapps\MapFish-1.1\client\cgi-bin\proxy.cgi"
> 
> 4.- In the proxy.cgi file I included my machine in the allowed hosts:
> 
> allowedHosts = ['demo.mapfish.org', 'localhost:5000', 'localhost',
> '127.0.0.1'] and I also added this line:
> 
> #!c:/python25/python.exe -u (I already had installed python in my PC)
> 
> 5.- I included this piece of code in my map: 
> 
> OpenLayers.ProxyHost = "/cgi-bin/proxy.cgi?url=";
> 
> 
> 6.- I restarted my Tomcat.
> 
> I do not see the openlayers.org website when I typed:
> http://127.0.0.1:8080/MapFish-1.1/client/cgi-bin/proxy.cgi, I got the 404
> error.
> 
> Does anyone knows what I missing?
> 
> 
> Thanks again Eric and Michogar!
> 
> Juan 
> 
> 
> 
> Eric Lemoine-2-2 wrote:
>> 
>> On Thursday, August 6, 2009, Juan Arévalo <arevaco90 at yahoo.es> wrote:
>>>
>>> Hi all,
>>>
>>> I am making some progress setting up a WFS-T, it seems that my code
>>> works
>>> since I donÂ´t get any error, but the layer doesn't display in the map.
>>> I
>>> have read that this problem can be solved by setting the Proxy Host,
>>> however
>>> I was not able to set it up. I am using: Tomcat 5.5, Geoserver 1.5.3 and
>>> OpenLayers 2.8 and MapFish 1.1.(I couldnÂ´t only find the steps for
>>> Apache
>>> but not for Tomcat)
>>>
>>> Does anyone have any ideas on how to solve it?
>> 
>> Hi. If your Tomcat instance serves both the HTML page and the WFS then
>> you don't need a proxy.
>> 
>> 
>> -- 
>> Eric Lemoine
>> 
>> Camptocamp France SAS
>> Savoie Technolac, BP 352
>> 73377 Le Bourget du Lac, Cedex
>> 
>> Tel : 00 33 4 79 44 44 96
>> Mail : eric.lemoine at camptocamp.com
>> http://www.camptocamp.com
>> _______________________________________________
>> Users mailing list
>> Users at openlayers.org
>> http://openlayers.org/mailman/listinfo/users
>> 
>> 
> 
> 

-- 
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