Temporarily failed download ... 5.27 ... can't resolve hostname

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Jim Synoski

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Message 623522 - Posted: 20 Aug 2007, 19:24:00 UTC

For the last week and a half or so, I've been getting the following message on the 2 machines I have at work.

SETI@home|[file_xfer] Temporarily failed download of setiathome_5.27_windows_intelx86.exe: can't resolve hostname

Just did a Reset Project, and a number of files were successfully downloaded EXCEPT for the 5.27 exe file

Any thoughts

Jim
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Message 623535 - Posted: 20 Aug 2007, 19:41:47 UTC - in response to Message 623522.  

For the last week and a half or so, I've been getting the following message on the 2 machines I have at work.

SETI@home|[file_xfer] Temporarily failed download of setiathome_5.27_windows_intelx86.exe: can't resolve hostname

Just did a Reset Project, and a number of files were successfully downloaded EXCEPT for the 5.27 exe file



I just installed an older machine and am having the same problem.

WyerByter
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Message 623541 - Posted: 20 Aug 2007, 19:49:17 UTC - in response to Message 623535.  

I read somewhere on these boards that this can be a firewall blocking executable downloads. I'm not sure if that turned out to be the case, but it might be worth looking into.

"Living by the wisdom of computer science doesn't sound so bad after all. And unlike most advice, it's backed up by proofs." -- Algorithms to live by: The computer science of human decisions.
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Message 623663 - Posted: 20 Aug 2007, 23:10:37 UTC

Jim Synoski and WyerByter,

There is a way around it, however, you sacrafice having the graphics. You can download an optimized app found in the thread New Optimized Apps Links -- READ ONLY THREAD. These optimized applications run a little bit faster than the stock 5.27 app, there is instructions on how to install it. If you both feel like checking it out, please do. If you need any help, also ask, there are lots and lots of great folks out here that are willing to help out. :-)

Jeremy
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Message 623983 - Posted: 21 Aug 2007, 15:23:48 UTC - in response to Message 623522.  

For the last week and a half or so, I've been getting the following message on the 2 machines I have at work.

SETI@home|[file_xfer] Temporarily failed download of setiathome_5.27_windows_intelx86.exe: can't resolve hostname

Just did a Reset Project, and a number of files were successfully downloaded EXCEPT for the 5.27 exe file

Any thoughts

Jim


If you be bored do this:

Download file http://koti.mbnet.fi/~amon/files/setiathome/setiathome_5.27_windows_intelx86_files.zip

Unzip missing files one by one to C:\\Program Files\\BOINC\\projects\\setiathome.berkeley.edu

Select missing file from BOINC and click retry
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Stephane Yelle

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Message 624323 - Posted: 22 Aug 2007, 13:08:41 UTC

I am having the same problem since I completely reinstalled Boinc (5.10.13) on August 10. My other projects (Einstein@Home , uFluids and LHC@home) successfully downloaded their files.
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Jim Synoski

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Message 628327 - Posted: 28 Aug 2007, 13:17:30 UTC

It took a few tries, but eventually the downloaded zip worked on both machines. Thanks.

Jim Synoski
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Message 630371 - Posted: 31 Aug 2007, 20:02:58 UTC - in response to Message 623983.  

For the last week and a half or so, I've been getting the following message on the 2 machines I have at work.

SETI@home|[file_xfer] Temporarily failed download of setiathome_5.27_windows_intelx86.exe: can't resolve hostname

Just did a Reset Project, and a number of files were successfully downloaded EXCEPT for the 5.27 exe file

Any thoughts

Jim


If you be bored do this:

Download file http://koti.mbnet.fi/~amon/files/setiathome/setiathome_5.27_windows_intelx86_files.zip

Unzip missing files one by one to C:\\Program Files\\BOINC\\projects\\setiathome.berkeley.edu

Select missing file from BOINC and click retry


Any chance of getting this uploaded again? I keep getting messages that the zipfile is corrupted. I did this on 2 different computers.

Thanks

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Josef W. Segur
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Message 630392 - Posted: 31 Aug 2007, 21:13:09 UTC - in response to Message 630371.  

For the last week and a half or so, I've been getting the following message on the 2 machines I have at work.

SETI@home|[file_xfer] Temporarily failed download of setiathome_5.27_windows_intelx86.exe: can't resolve hostname

Just did a Reset Project, and a number of files were successfully downloaded EXCEPT for the 5.27 exe file

Any thoughts

Jim


If you be bored do this:

Download file http://koti.mbnet.fi/~amon/files/setiathome/setiathome_5.27_windows_intelx86_files.zip

Unzip missing files one by one to C:\\Program Files\\BOINC\\projects\\setiathome.berkeley.edu

Select missing file from BOINC and click retry


Any chance of getting this uploaded again? I keep getting messages that the zipfile is corrupted. I did this on 2 different computers.

Thanks


I just downloaded it and got a good file. Checked integrity with 2 different unzip applications, compared the extracted files to those previously downloaded from the project.

In case it's an issue with some server between you and that source, I've put a copy of the file at http://users.westelcom.com/jsegur/SAHenh/setiathome_5.27_windows_intelx86_files.zip. Maybe that will work better for you.
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Message 630526 - Posted: 1 Sep 2007, 0:19:39 UTC

Thanks, I will try it tomorrow when I can get back to that computer.
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Message 631231 - Posted: 1 Sep 2007, 18:23:49 UTC

Thanks Josef, that did it. :)
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Message 632163 - Posted: 2 Sep 2007, 17:21:09 UTC - in response to Message 630392.  

Is this file still present on your server? I have clicked the link several times, but keep getting "cannot display the web page" error...

Erik

In case it's an issue with some server between you and that source, I've put a copy of the file at http://users.westelcom.com/jsegur/SAHenh/setiathome_5.27_windows_intelx86_files.zip. Maybe that will work better for you.
                                                                  Joe

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Message 632171 - Posted: 2 Sep 2007, 17:29:52 UTC - in response to Message 632163.  

Is this file still present on your server? I have clicked the link several times, but keep getting "cannot display the web page" error...

Erik

Yes it is - it's just downloaded fine here (UK).
In case it's an issue with some server between you and that source, I've put a copy of the file at http://users.westelcom.com/jsegur/SAHenh/setiathome_5.27_windows_intelx86_files.zip. Maybe that will work better for you.
                                                                  Joe
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Message 632176 - Posted: 2 Sep 2007, 17:35:57 UTC - in response to Message 632171.  

OK, thanks; that means it's getting blocked here...

Yes it is - it's just downloaded fine here (UK).


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Josef W. Segur
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Message 632279 - Posted: 2 Sep 2007, 19:59:25 UTC - in response to Message 632176.  

OK, thanks; that means it's getting blocked here...

Maybe a right-click and whatever option your browser offers to save the file would be better. That's just a guess from the "cannot display the web page" error.
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Jerry Lohr

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Message 633179 - Posted: 4 Sep 2007, 2:06:24 UTC

OK, so I get
9/3/2007 6:46:52 PM|SETI@home|[file_xfer] Started download of file setiathome_5.27_windows_intelx86.exe
9/3/2007 6:47:12 PM|SETI@home|[file_xfer] Temporarily failed download of setiathome_5.27_windows_intelx86.exe: can't resolve hostname

I flush DNS cache, do a few pings, etc., find nothing wrong here.

Go to the xml file and see where it's looking for the file:

http://boinc2.ssl.berkeley.edu/sah/download_fanout/setiathome_5.27_windows_intelx86.exe

paste that in a browser and see it redirected to:

http://boinc2.ssl.berkeley.edu.nyud.net/sah/download_fanout/coral/setiathome_5.27_windows_intelx86.exe

which does not resolve. Surprise, surprise, surprise!

This has been going on for a while. Can anybody actually fix the redirect so it will point to the actual file location?
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Message 633183 - Posted: 4 Sep 2007, 2:20:05 UTC
Last modified: 4 Sep 2007, 2:21:31 UTC

I've looked at this extensively, and the problem is not a DNS resolution or redirect problem. The problem is the server is dropping your initial connection request.

In fact I just this second used the first url you gave and successfully DL'ed a copy of the executable.

Alinator
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Jerry Lohr

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Message 633223 - Posted: 4 Sep 2007, 3:29:46 UTC - in response to Message 633183.  

I've looked at this extensively, and the problem is not a DNS resolution or redirect problem. The problem is the server is dropping your initial connection request.

In fact I just this second used the first url you gave and successfully DL'ed a copy of the executable.

Alinator


You're right about it not being a DNS problem. A dropped connection request doesn't generate a "can't resolve hostname" error, though.

Note that the redirect changes the path, adding /coral in the middle, not just munging the host. The fact that a URL works for you and not for others can be a result of how the network is configured. Load balancing is one of the things that can do redirects that depend on the source of a request. There are other ways to do it. There are people reporting the error at the head of this thread. It is distinct from the other connection failures. There is no connection reset, just a DNS lookup failure on a non-existent host. Somewhere in the network setup, probably inside UCB, there is a redirect that sends some requests off into never-never land. I rather suspect that since the URL gets munged right after something that says download_fanout, that there is a problem in a redirect table named download_fanout. At least that's where I'd start looking if something like this was happening on my network.


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Message 633233 - Posted: 4 Sep 2007, 4:08:11 UTC
Last modified: 4 Sep 2007, 4:09:37 UTC

Agreed, I see your point now. Interestingly enough both urls are working right at the moment. Perhaps we were seeing different manifestations of the same problem before? In this case the ipconfig /dnsflush trick may help.

When I was investigating earlier I had cases where I made the initial connection to the DL server, but the DL still died after a longer delay. I was attributing it to a dropped connection but on the SSL network itself, and the difference was one was showing as the infamous '21 Second' deaf ear timeout, and the other would come with an http; system connect or other error. Since I was looking at the network analyzer output for the most part, I probably wasn't paying enough attention to what the browser was trying to tell me and missed the fact it was being redirected to lala land.

Alinator
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Message 633272 - Posted: 4 Sep 2007, 8:28:54 UTC - in response to Message 633233.  

Agreed, I see your point now. Interestingly enough both urls are working right at the moment. Perhaps we were seeing different manifestations of the same problem before? In this case the ipconfig /dnsflush trick may help.

When I was investigating earlier I had cases where I made the initial connection to the DL server, but the DL still died after a longer delay. I was attributing it to a dropped connection but on the SSL network itself, and the difference was one was showing as the infamous '21 Second' deaf ear timeout, and the other would come with an http; system connect or other error. Since I was looking at the network analyzer output for the most part, I probably wasn't paying enough attention to what the browser was trying to tell me and missed the fact it was being redirected to lala land.

Alinator


Well, after looking at it again, there is one thing that I had not considered. The redirect might be valid, but my DNS provider is having trouble with the host in the URL. And yes, that seems to be a real possibility, particularly since you say you can reach both URLs. Whois.internic.net says boinc2.ssl.berkeley.edu.nyud.net resolves, but Earthlink's name servers don't know it exists.

Called Earthlink tech support, spoke to a tech who ran me through

netsh interface ip delete arpcache
netsh winsock reset catalog
reboot
clear all the stuff in IE> Tools> Internet Options> General> Delete...

All to no effect. The tech could not resolve the nyud.net hostname, either.
Explained that the host resolves in whois, but not through Earthlink. Tech opened a ticket. I'll check it in the morning.
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Message boards : Number crunching : Temporarily failed download ... 5.27 ... can't resolve hostname


 
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