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From "Dave Smith" <>
Subject Re: Can't locate custom tag library
Date Sat, 04 Nov 2000 17:06:43 GMT

"Network not reachable" means your code is attempting
to do something still thinking it is on your home box. This
is not really a tomcat issue.

The right approach is to build a testing fixture and 
test on the dev box or else build code that does not
have network-specific dependencies. 

BTW I am sympathetic. I had the same deal trying
to get FTP to work through a locked down firewall. 
Everything cool on my dev system, but deployment 

The lesson here is to test critical code in realistic 
situations before continuing the development process.
You can find some very useful information about the
"code a little, test a little" pattern at the junit site:


  ----- Original Message ----- 
  From: Bob Law 
  Sent: Tuesday, January 02, 2001 1:25 AM
  Subject: Can't locate custom tag library

  I've been developing an application using tomcat and apache for a few months, and things
are working great.  I have encountered a problem when I move my code to a machine behind a
firewall.  When I initially installed it, things worked fine, but the last few weeks they
haven't worked at all.  When I try to load a page that uses a custom tag, I am told that it
is unable to open the custom tag library.  I also am told that the network is not reachable.
 Everything is on the same box.  I know that the company's network is extremely tight (it
is a bank) and they frequently change the settings.  Is there any way to have tomcat read
the file on the local machine?  It all works on my machine at home, just not on the machines
at work.  I am running Linux.

  Bob Law

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