One more local suggestion came in that might be the real problem:

http://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can#w_dns-prefetching

I never thought about this as a browser issue related to DNS, but there it is. This is easy to check out. I use Firefox exclusively and only use other browsers to check my scripting. I'll change the FF default on DNS prefetching to see if this solves the problem.

Thanks again...

Otis



--
Otis Rothenberger
otis@chemagic.com
http://chemagic..com




On Jun 28, 2012, at 1:03 PM, Otis Rothenberger wrote:

All-

Thanks for the replies both off and on list. It sure sounds like this is a local problem with my ISP. A local chemist suggested something that sounds like a likely guilty party - DNS server. He suggested that I change from the ISP defaults to a college, university, or open DNS.

I'll get appropriate addresses and give this a try. The main importance of your feedback is that it shows that this is not a Resolver issue. It has to be a local issue. Thanks again for the feedback.

Markus, thanks for looking into this.

Otis



On Jun 28, 2012, at 10:07 AM, Otis Rothenberger wrote:

Jeff,

I'm reading the Resolver files as http, and I'm not messing with the headers. It never bothered me because the load works, but maybe that's part of the problem. Markus?

Otis




On Jun 28, 2012, at 8:32 AM, Jeff Hansen wrote:

Both links worked for me (fast, by the way) although they were formatted differently.  The first had spaces and line breaks.  The second didn't.


***********************************************
Jeff Hansen
Department of Chemistry and Biochemistry
DePauw University
602 S. College Ave.
Greencastle, IN 46135
jhansen@depauw.edu
***********************************************


On Jun 27, 2012, at 10:18 PM, Otis Rothenberger wrote:

All,

For quite some time, I have been having a small problem with the NIH/CADD Chemical Identifier Resolver. Specifically, on my first attempt to connect, I frequently timeout without making connection. Once I make my first connection by attempting 1 or more reloads, I'm OK for that working session. To be a bit more specific, this is a first attempt of the day issue and a first attempt after about an hour of inactivity issue.

To help me determine if this is a local issue, I'd really appreciate some help. Are there list users willing to hit the links below as your FIRST hits of your work day? Hit them wait an hour or more and hit them again. I really appreciate any reports:

http://cactus.nci.nih.gov/chemical/structure?string=C[C@@H]%28Cl%29CC&representation=file&get3d=True

http://chemistry.illinoisstate.edu/osrothen/web_molecules/nih.aspx?smi2sdf=C[C@@H]%28Cl%29CC

Jim (cc'd with this note), would you forward this note to the ISU chemistry faculty list?

Thanks in advance for any help. You'll either get the sdf of (R)-2-chlorobutane or you'll timeout.

Otis

--
Otis Rothenberger
otis@chemagic.com
http://chemagic.com







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