Exactly. Since we are supposed to write an application that's running
without extracting the war, Steves approach was my first try, but it's not
working that way :(

Also, symlinks are a good way in posix systems, but then the app is not
platform independent anymore.

The approach of a reader servlet sounds good, but how can I implement this
to include the files into a jsp then?

In other words, if "/App/Reader" is my reader servlet, can I include an
image into jsp with <img src="/App/Reader?file=image.jpg" />?


2008/12/14 Yuval Perlov <yu...@r-u-on.com>

> The problem with this approach is that when you upgrade the war file the
> files will be deleted.
> I believe It is better to save the files outside the web app and deliver
> them either with a symbolic link from within your war file or using a reader
> servlet.
>
> Yuval Perlov
> www.r-u-on.com
>
>
>
> On Dec 14, 2008, at 7:17 PM, Steve Ochani wrote:
>
>  Send reply to:  Tomcat Users List <users@tomcat.apache.org>
>> Date sent:      Sun, 14 Dec 2008 12:56:17 +0100
>> From:   Robert Drescher <robert.dresc...@gmail.com>
>> To:     users@tomcat.apache.org
>> Subject:        File system resource for static content
>>
>>  Hello users,
>>> I'm trying to find the best practice way for implementing the
>>> following: I want a servlet to perform file uploads and to store the
>>> files in the local filesystem. This part is not that hard to do as i'm
>>> currently writing into the javax.servlet.context.tempdir.
>>>
>>> The problem is that i need to store the files in a directory, that
>>> will be accessible from the web. My tutor at university gave me the
>>> hint that this is best done with a resource which points to a local
>>> directory and that's mapped to the webapp.
>>>
>>> So I imagine that http://localhost:8080/WebTest/Upload is my servlet
>>> mapping and that http://localhost:8080/WebTest/files/ points to this
>>> resource.
>>>
>>>
>> I do something very similar using apache commons upload project.
>>
>> I have a separate files directory in my webapp directory and I use the
>> following code to
>> initialize a path to save my uploaded files:
>>
>> ServletContext sc = getServletContext();
>> String path = sc.getRealPath("/files");
>>
>> I can then access a file in the that files directory via
>>
>> http://server:8080/appname/files/filename
>>
>>
>> -Steve O.
>>
>>
>>
>>
>>  But all my research in the documentation did not bring any success. I
>>> know that i can specify resources in the context.xml, but not how I
>>> specify the path on the local system or how to do the mapping... If
>>> anyone already did this and can provide me with configuration
>>> examples, I'd very much appreciate it.
>>>
>>> I am using Tomcat 5.5 on Linux (not the pre-packaged), the application
>>> is deployed as war, my context.xml is located in META-INF
>>> ------------------------------------------------------------ <?xml
>>> version="1.0" encoding="UTF-8"?> <Context privileged="true"
>>>        antiResourceLocking="false"
>>>        antiJARLocking="false"
>>>        path="WebTest"
>>> />
>>> -------------------------------------------------------------
>>>
>>> My web.xml is the following:
>>> -------------------------------------------------------------
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <web-app version="2.4"
>>>   xmlns="http://java.sun.com/xml/ns/j2ee";
>>>   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>>>   xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
>>>   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
>>> <description>Test Internetapplikationen</description>
>>>
>>>  <servlet>
>>>   <description>Controller Servlet</description>
>>>   <display-name>Controller Servlet</display-name>
>>>   <servlet-name>Controller</servlet-name>
>>>   <servlet-class>org.agility.webtest.control.Controller</servlet-cla
>>>   ss>
>>>  </servlet>
>>>
>>>  <servlet-mapping>
>>>   <servlet-name>Controller</servlet-name>
>>>   <url-pattern>/Controller</url-pattern>
>>>  </servlet-mapping>
>>>  <welcome-file-list>
>>>   <welcome-file>Login.jsp</welcome-file>
>>>  </welcome-file-list>
>>> </web-app>
>>> ------------------------------------------------------------------
>>>
>>> Thank you very much for your help
>>> Robert
>>>
>>>
>>
>>
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