On 27 Oct 2009, at 15:11, James Lin wrote:
Hi all,
I am still having the mysterious error of "Internal Error 500"
message returned from stringWithContentsOfURL.
I am using stringWithContentsOfURL to call a php script that add an
entry to MySQL database.
My ISP claims that they have removed all security restrictions on my
php script.
Aside from continue to press my ISP's tech support, I have to look
for alternatives...
Is there an alternative to stringWithContentsOfURL in Cocoa that I
can try?
According to the Mac OS X docs, stringWithContentsOfURL: is deprecated.
http://developer.apple.com/mac/library/documentation/Cocoa/Reference/Foundation/Classes/NSString_Class/DeprecationAppendix/AppendixADeprecatedAPI.html#jumpTo_2
Not that the alternatives that the docs suggest will help you much
because the server appears to be returning HTTP 500 error which means
something is going wrong in your PHP script.
I would speculate that Cocoa sends a GET request to the server, so the
first thing I would try is to send a get request using telnet e.g. if
your URL is http://example.com/path/to/script.php?
aparm=a&anotherparm=y, you need to open a terminal and run telnet:
telnet example.com 80
GET /path/to/script.php?aparm=a&anotherparm=y HTTP/1.1
Host: example.com
(press the CR key twice after the Host: line).
You'll either get a 200 response and your expected content or a 500
response. If you get 200, then the Cocoa method must be adding some
other stuff to the HTTP request and you'll need to try tcpdump to
sniff the TCP traffic. The following seems to give useful info:
sudo tcpdump -i en1 -A port 80
(en1 is the bsd device for my wireless lan, use ifconfig to get the
device for your network, it's probably en0 or en1)
If you get a 500 response, either your URL has invalid characters in
it (which your browser is dealing with, hence why it works from a
browser) or your PHP script can't deal with a bare URL with no cookies.
Thank you in advance...
James
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