Network Exception

[Sigbjorn Finne]

Just to be clear -- this is with ghc-6.4.1 as distributed
via the GHC web pages and not some local build..?

I can't explain this -- the example code you give will have
successfully started up WinSock (version 1.1) prior to
calling getHostName, so that error condition doesn't
make much sense.

Given the two networking issues you've already come
across, I wouldn't discount the option that this might
be due to a local problem with your networking setup
(WinSock proxy config..?)

--sigbjorn

----- Original Message ----- 
From: "Arias" <arias at elleondeoro.com>
To: "Sigbjorn Finne" <sof at galois.com>
Cc: <glasgow-haskell-bugs at haskell.org>
Sent: Friday, October 14, 2005 14:01
Subject: Re: Network Exception


> Thanks for the reply.
>
> I don't know if the problem is the same, but when I try to run this code:
>
> main = withSocketsDo $ do
>   host <- getHostName
>   putStrLn host
>
> the getHostName throws this exception:
>
>  getHostName: failed (Successful WSAStartup not yet performed 
> (WSANOTINITIALISED))
>
> :( I'm using Windows XP Professional
>
> Sigbjorn Finne escribió:
>
>> Hi,
>>
>> that error message is a bit confusing, to say the least:
>> getProtocolByName identifies itself as getServiceEntry
>> when failing. In this case, I'm quite sure, your snippet
>> fails because (getProtocolByName "tcp") isn't successful.
>> I've no idea why your /etc/protocols doesn't contain an entry
>> for 'tcp'.
>>
>> The error message in said function has now been fixed; thanks
>> for the report.
>>
>> --sigbjorn
>>
>> ----- Original Message ----- From: "Arias" <arias at elleondeoro.com>
>> To: <glasgow-haskell-users at haskell.org>
>> Sent: Friday, October 14, 2005 06:47
>> Subject: Network Exception
>>
>>
>>> Hi,
>>>
>>> I've a problem, I'm using this code on GHC compiler version 6.4.1:
>>>
>>> --- BEGIN ---
>>> module Main where
>>> import System.IO
>>> import Network
>>>
>>> main = withSocketsDo $ do
>>> handle <- connectTo "localhost" ( PortNumber 8080 )
>>> hSetBuffering handle LineBuffering
>>> hClose handle
>>> --- END ---
>>>
>>> The problems is that it throws an exception at connectTo, the exception 
>>> is:
>>>
>>> getServiceEntry: does not exist (no such service entry)
>>>
>>> The server and the port is correct, I have apache listening on port 8080 
>>> and if I put http://localhost:8080/ on browser it loads a web page.
>>>
>>> Do somebody knows what it happens and how to fix it? thanks.
>>> _______________________________________________
>>> Glasgow-haskell-users mailing list
>>> Glasgow-haskell-users at haskell.org
>>> http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
>>
>>
>>
>>
>>