Hi Sven,

$ telnet localhost 1701

works perfectly but I noticed that it first tries to connect to ::1 and then switch to 127.0.0.1

Trying ::1...

telnet: connect to address ::1: Connection refused

Trying 127.0.0.1...

Connected to localhost

but I suspected that curl does the same and do not fallback to 127.0.0.1

and yes this one works:

curl --ipv4 http://localhost:1701

so by default my curl works on ipv6

I do not know why ::1 is before 127.0.0.1 on my mac 10.9.3.

Is there a global option?

in /etc/hosts 127.0.0.1 if first

anyway, thanks

problem solved and not related with Zinc ;-)

Luc

2014-06-14 11:03 GMT+02:00 Sven Van Caekenberghe <sven@stfx.eu>:

Luc,

I have seen this kind of weirdness before, but I mostly see it with ab (apache benchmark tool). I really have no idea. Have you tried with telnet to do a manual HTTP request ?

$ telnet localhost 1701
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
GET /random HTTP/1.1
Host:localhost:1701

HTTP/1.1 200 OK
Content-Type: text/plain;charset=utf-8
Content-Length: 64
Date: Sat, 14 Jun 2014 08:58:48 GMT
Server: Zinc HTTP Components 1.0

EF97C091498F3FEA3F79F65D36C40ECAFD116A68BA31F45D027DB61EBDD1579
^]
telnet> close
Connection closed.

You could also try using the same or a second Pharo image to do the request.

$ ./pharo Pharo.image eval "ZnClient new get: 'http://localhost:8080/random'"
'766EF4E6E5664EF4C5163D30125B5C35BFE2AED408835CB6D6206DF0A7A15FD
'

In any case, the server socket used is normally listening on all interfaces [0.0.0.0]

Sven

On 14 Jun 2014, at 09:17, Luc Fabresse <luc.fabresse@gmail.com> wrote:

>
>
> 2014-06-14 6:04 GMT+02:00 Ben Coman <btc@openinworld.com>:
> Luc Fabresse wrote:
>> Hi,
>>
>> I experiencing a strange difference between localhost and 127.0.0.1.
>>
>> In Pharo I do:
>>
>> (ZnServer startDefaultOn: 4444)
>> �� �� onRequestRespond: [ :request | ZnResponse ok: (ZnEntity text: 'hello') ]
>>
>> In bash:
>>
>> $ lsof -Pi | grep Pharo
>> Pharo �� �� 2718 ��luc �� ��7u ��IPv4 0x1e64a2e9381f409b �� �� ��0t0 ��TCP *:4444 (LISTEN)
>>
>> I perfectly listen on port 4444 from all interfaces *
>>
>> $ curl http://127.0.0.1:4444
>> hello
>>
>> $ curl http://localhost:4444
>> curl: (7) Failed to connect to localhost port 4444: Connection refused �� �� �� �� �� �� �� �� �� �� <- why ?
>>
>> localhost is correctly resolved on my mac
>> $ ping localhost
>> PING localhost (127.0.0.1): 56 data bytes
>> 64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.044 ms
>>
>> I tested with other programs than Zinc to open listening sockets and it works.
>>
>> Any idea?
>>
>> #Luc
> maybe http://sourceforge.net/p/curl/bugs/1337/
>
> Humm, I use curl 7.36.0, so yes perhaps this bug fix is not integrated...
>
> Anyway, I was also suspecting curl but I tested with server: Apache on port 8888 and here curl works:
>
> httpd �� �� 621 ��luc �� ��5u ��IPv6 0x6ea19c1d988f10db �� �� ��0t0 ��TCP *:8888 ��<-- same as Zinc
>
> but both:
>
> curl http://127.0.0.1:8888
> curl http://localhost:8888
>
> are working.
>
> wget always works (Apache and Zinc):
>
> wget -qO- http://127.0.0.1:8888
> wget -qO- http://localhost:8888
>
> Thanks Max and Ben,
>
> Luc
>