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Blair,
I can get to slashdot website from my internet Browser and I
think the reason is, and I could be completely wrong
here, that the firewall allows access from the IP address
starting with 169. series whereas our AS400 ip address
start with 192. series.
rgds,
Rajesh Anand
Email:Rajesh_anand@xxxxxx
-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx
[mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Blair Wyman
Sent: 06 January 2005 18:56
To: Java Programming on and around the iSeries / AS400
Subject: RE: Java Error
Hmmm....
Lemme ask a couple of questions:
Do you have to 'authenticate' to get through your firewall? (i.e.
provide
a userid/pwd at some dialog box or something?)
An easy way to check, I think, would be to try getting the slashdot.xml
file using a 'standard' browser behind this same firewall.
If so, and if that's what is keeping you from penetrating the firewall,
the
website reference I included does have an extra bit of sample code for
providing values for additional proxy properties:
System.setProperty("http.proxyUser", "xxx");
System.setProperty("http.proxyPassword", "xxx");
...though a bit of extra research suggests this solution isn't exactly
robust.
The tips JavaWorld tips 46 and 47 look promising -- both talk about
using
the Java Authenticator class introduced in JDK 1.2 (intended for this
purpose, apparently).
http://www.javaworld.com/javaworld/javatips/jw-javatip46.html
http://www.javaworld.com/javaworld/javatips/jw-javatip47.html
Have fun!
-blair
___ _ Blair Wyman IBM Rochester
( /_) / _ ' _ (507)253-2891 blairw@xxxxxxxxxx
__/__)_/_<_/_/_/_' Opinions expressed may not be those of IBM
"Anand, Rajesh"
<Rajesh_Anand@ml.
com>
To
Sent by: "Java Programming on and around
the
java400-l-bounces iSeries / AS400"
@midrange.com <java400-l@xxxxxxxxxxxx>
cc
01/05/2005 09:49
Subject
AM RE: Java Error
Please respond to
Java Programming
on and around the
iSeries / AS400
Hi Blair,
I tried that but, unfortunately, got the same error.
However, I'm now convinced it's the firewall that's
preventing
access to the web.
Remember when I removed the file name from the URL and I
said
the pgm managed to connect to the website.
Well, I was wrong after inspecting the contents of what I
got
back, it appears to be some stuff from the proxy server
and not from the slashdot website as I originally thought.
I've asked our firewall experts to allow our dev box to
access
this site and hopefully this will work.
I'll be most definitely keep everyone informed of the
progress.
In the meantime keep your thinking cap on so I can try
other
ideas.
Rgds,
Rajesh Anand
Email:Rajesh_anand@xxxxxx
-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx
[mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Blair Wyman
Sent: 05 January 2005 15:35
To: Java Programming on and around the iSeries / AS400
Subject: RE: Java Error
Hi, Rajesh.
OK, I think I've got it figured out now, but I could sure be wrong
(again).
I started another bunch of guessing, which I thought about leaving in
this
note
for entertainment, but my vanity prevailed and I cut it out. :-)
I really think the problem is simply that you are not specifying the URL
in the form that the slashdot site expects or allows.
You have "www." at the front of the URL, when slashdot does not appear
to allow it.
Evidence:
When, in my browser window, I try to visit this precise URL:
http://www.slashdot.org/slashdot.xml
...I get a message about 'Access is denied.' (Try it!)
But, when I try visiting the site WITHOUT the 'www.' in the URL:
http://slashdot.org/slashdot.xml
...I get a page full of XML stuff about 'dc' (digital certificates?)
and <channel>s and <item>s and all kinds of gorp I don't understand.
So, try taking off the "www." and see what happens?
Good luck! HTH.
-blair
P.S. (Interestingly, if you add a backslash to the end of your URL,
even including the 'www.' -- "http://www.slashdot.org/slashdot.xml\\";
(double backslash is required in Java String -- thanks C) -- the
data I get back is very different, including links to top news, etc.
___ _ Blair Wyman IBM Rochester
( /_) / _ ' _ (507)253-2891 blairw@xxxxxxxxxx
__/__)_/_<_/_/_/_' Opinions expressed may not be those of IBM
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