[Haskell-beginners] Yesod server not starting

Tue Feb 25 15:59:58 UTC 2014

On 25/02/14 14:05, Patrick Lynch wrote:
> Good morning,
> 
> Re: Today's Topic 1 - see below.
> 
> My apology for not including the error message.
> 
> The following is what I did:
>      I downloaded the source code and did the following [from the O'Reilly 
> book]:
>            1. download was done on a Mac.
>            2. I saved the file to helloWorld.hs
>            3. I went to my terminal screen and executed:
>                runhaskell helloworld.hs
>            4. on the terminal the following appeared:
>                hell yeah
>            5. so far, so good
>            6. I went to my browser and entered the url:
>                http://localhost:3000
>            7. I was expecting to see the following on my browser:
>                <!DOCTYPE html>
>                <html><head><title></head><body>hell yeah</body></html>
>             8. Unfortunately, I get the following message:
>                 "Safari can't connect to Server
>                  Safari can't open page "http://localhost:3000" because
>                  Safari can't connect to server "localhost"
> 
> Good day,
> Patrick
> 
>> On 25/02/14 01:32, KMandPJLynch wrote:
>>> Good evening,
>>>
>>> I'm trying to learn how to implement Haskell on a web site.
>>> I've got the O'Reilly book: "Developing Web Applications with Haskell and 
>>> Yesod".
>>> I'd appreciate some guidance in regard to this.
>>> I'm having a bit of a problem getting the helloWorld.hs app up and 
>>> running on Yesod.
>>>
>>> Thank you
>>>
>>
>> Well, what's your problem? Saying that you have one doesn't help us help
>> you ;). Paste in any relevant error messages that you can't figure out
>> and post your system information.
>>
>> PS: Next time create a new thread instead of replying to an existing,
>> irrelevant thread.
>>
>>
>> -- 
>> Mateusz K.
>>
>>

Hi again,

I took the liberty to change the topic name to something clearer.

Which code are you following? I don't have the copy of a book with me
but it's available online. Is the code from
http://www.yesodweb.com/book/basics what you're trying?

-- 
Mateusz K.