Re: Inconsistent path to files

[Tim Funk]

Never use java.io.File to do file reading in a webapp. Since the file you 
wish to read is in your webapp (good!) - you can use 
ServletContext.getResource(..) or ServletContext.getResourceAsStream(..).

Of course if you need to upload files - then you'll need to rely on the 
tmpdir as defined in the spec.
(Section 3.7:
  java.io.File dir = (java.io.File)
     servletContext.getAttribute("javax.servlet.context.tempdir");)

Or you'll need a configuration parameter that an admin may set. (And you read 
in via JNDI)

-Tim
Julie McCabe wrote:
Hello,
My setup is Tomcat 4.1.27, Java 1.4.2_02, Red Hat Linux 9.0.
I have a JSP located in the webapps directory I would like it to read a file 
in the WEB-INF directory using a custom tag, eg,

File f = new File("WEB-INF/fileToRead.txt");
depending on which directory I start tomcat from the file will be located on 
not - if I start tomcat from the $CATALINA_HOME directory it will work but if 
I start tomcat from $CATALINA_HOME/webapps/webApp directory it will not pick 
up the file because the location is wrong!  I thought the code in the JSP 
should work regardless of which directory tomcat is started from.

In addition, I have noticed the behaviour of the 

<input type="file" is incorrect too
In the JSP with this tag, I am able to browse to the correct file but when the 
upload is attempted I get a FileNotFoundException because it is looking for 
$CATALINA_HOME/fileToUpload.txt - it ignores the path selected.

I am guessing this is a classpath problem or an environment variable that is 
set when tomcat is started - I would appreciate any ideas on this.

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