[Socket] error 10061

[Rémi Deletrain]

Hi everyone,

For my animators I've created a tool for launch a motion capture movie reference in RV from maya scene file name and I connecting RV to Maya. With this tool it's possible to compare movie and animation juste with maya animation timeLine.

It's perfecly works in Maya 2014.

But with Maya 2018 I have a problem with python socket module. When i used socket.connect() i have this error:

    

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

sock.connect((s_host, i_port))

    [Errno 10061] No connection could be established because the target computer explicitly refused.

I search on internet a reason or/and solution but I don't found it...

Anyone have an idea ?

[Justin Israel]

Are you trying to connect from RV to the Maya commandPort? If so, are you sure you have an open commandPort in that Maya 2018 instance at the given port number? 

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[Rémi Deletrain]

Hi Justin,

No it's the opposite that I'm trying to do, connected Maya to RV.

RV has a valid settings for accept connection from Maya2014, so I think is a same settings for Maya2018. 

[Marcus Ottosson]

What is s_host and i_port? If the IP exists but port is inaccessible, you’ll get an error like that.

>>> import socket
>>> sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
>>> sock.connect(("localhost", 1))  # 1 is not available
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "c:\Python27\lib\socket.py", line 228, in meth
    return getattr(self._sock,name)(*args)
socket.error: [Errno 10061] No connection could be made because the target machine actively refused it

​

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[Marcus Ottosson]

Ah, didn't read carefully enough, saw you mentioned it works under Maya 2014.

In that case, it sounds like either a firewall is blocking your Maya 2018, or a firewall is blocking everything and *allowing* your Maya 2014. What platform are you on? Are the Maya's running on the same machine? Have you tested on another machine? Have you tested connecting to anything else, like Google?

On 29 May 2018 at 08:37, Marcus Ottosson <konstr...@gmail.com> wrote:

What is s_host and i_port? If the IP exists but port is inaccessible, you’ll get an error like that.

>>> import socket
>>> sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
>>> sock.connect(("localhost", 1))  # 1 is not available
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "c:\Python27\lib\socket.py", line 228, in meth
    return getattr(self._sock,name)(*args)
socket.error: [Errno 10061] No connection could be made because the target machine actively refused it

​

On 29 May 2018 at 08:26, Rémi Deletrain <remi.de...@gmail.com> wrote:

Hi Justin,

No it's the opposite that I'm trying to do, connected Maya to RV.

RV has a valid settings for accept connection from Maya2014, so I think is a same settings for Maya2018. 

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[Rémi Deletrain]

Hi Marcus,

I used this variable:

    s_host = socket.gethostbyname("localhost")

    i_port = 45000 # RV default port

Hmmm, I do not know if my firewall is the problem. I ask my IT guy now !

[Rémi Deletrain]

A priori aucun problème du coté du pare-feu. Je vais essa

[Marcus Ottosson]

Je ne sais quoi!

On 29 May 2018 at 08:59, Rémi Deletrain <remi.de...@gmail.com> wrote:

A priori aucun problème du coté du pare-feu. Je vais essa

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[Rémi Deletrain]

Oups wrong manipulation.

No problem of the firewall detected with IT.

I try to communicate with google

[Rémi Deletrain]

The connection with google works.

My IT guys say me firewall doesn't lock a localhost.

[Justin Israel]

Yes connecting to another process on your localhost shouldn't be a matter of firewalls. 

So it's the same version of RV with different Maya versions? Have you tried connecting directly to 'localhost' instead of resolving your localhost public host name? There could be a difference in the resulting value. And if RV is only listening on a local interface then you wouldn't be able to connect on the public host name of the machine. 

On Tue, May 29, 2018, 8:36 PM Rémi Deletrain <remi.de...@gmail.com> wrote:

The connection with google works.

My IT guys say me firewall doesn't lock a localhost.

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[Rémi Deletrain]

Thank you for your reply Justin,

Yes it's same version of RV (3.12.19-32). I try on Maya 2014 and Maya 2018.

I try with:

    - socketInstance.connect(("localhost", 45000))

    - socketInstance.connect((socket.gethostbyname("localhost"), 45000))

I'm sure RV listen a public host name because my computer is in RV contacts. If I delete contact and I launch my tool on Maya 2014 my computer is in RV  contacts again.

RV contacts saved are:

    - name: localhost

    - machine: ... (I don't give name on forum but is a valid name. Socket module arrived to resolve IPV4 adress)

    - permission: allow

And network settings is "Always Allow New Contacts"

[Marcus Ottosson]

Have you tried on a different computer? Or with Maya 2015-2017? On a different OS?

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[Rémi Deletrain]

I found the problem,

On maya 2014 the warning is considered a "real warning" except special case or it is a "warning error".

On maya 2018 the warning that I print to be considered as an error and therefore my try / except captures the error and sends it back to me ...

In fact the error of the socket module 10061 is normal ...

So my code with error is:

try:

    sock.connect((s_host, i_port))

    b_connected = True

except Exception, e:

    cmds.warning(e)

    b_connected = False

And solution is:

try:

    sock.connect((s_host, i_port))

    b_connected = True

except Exception, e:

    qd_logger.debug(e) # Python logging module

    b_connected = False