[erlang-questions] Problems stop/attach a release

Khitai Pang <>
Mon Mar 21 14:37:06 CET 2016


No, I have no erlang:set_cookie/2 in my code.  Now the app gets cookie 
from vm.args (-setcookie).

I do have another problem though, if I remove -setcookie from the 
vm.args and rebuild the release, the built release can't start.  I don't 
understand why.


Thanks
Khitai

On 2016/3/21 19:36, Pierre Fenoll wrote:
> We had something similar and it was related to the cookie.
> Are you sure there are no erlang:set_cookie/2 calls in your code?
>
>
>
> Cheers,
> -- 
> Pierre Fenoll
>
>
> On 21 March 2016 at 11:08, Khitai Pang < 
> <mailto:>> wrote:
>
>     I found these in my _rel/myapp/log/erlang.log.1:
>
>     =ERROR REPORT==== 21-Mar-2016::17:46:55 ===^M
>     ** Connection attempt from disallowed node
>     '
>     <mailto:>' ** ^M
>     ^M
>     =ERROR REPORT==== 21-Mar-2016::17:46:55 ===^M
>     ** Connection attempt from disallowed node
>     '
>     <mailto:>' ** ^M
>     ^M
>     =ERROR REPORT==== 21-Mar-2016::17:50:03 ===^M
>     ** Connection attempt from disallowed node
>     '
>     <mailto:>' ** ^M
>     ^M
>     =ERROR REPORT==== 21-Mar-2016::17:50:03 ===^M
>     ** Connection attempt from disallowed node
>     '
>     <mailto:>' ** ^M
>
>
>     Is it the reason why I can't stop or attach a console?  If yes,
>     how to fix it?
>
>     I was guessing that maybe the issue is caused by erlang cookies in
>     ~/.erlang.cookie and my release vm.config -setcookie being
>     different, I made them the same the the issue still exists.
>
>
>     Thanks
>     Khitai
>
>
>     On 2016/3/21 17:51, Khitai Pang wrote:
>
>         Hi,
>
>         I build my release by erlang.mk <http://erlang.mk> and relx.
>
>         I can start the release by running:
>
>         $ _rel/myapp/bin/myapp start
>
>         It starts well and listens properly, I tried to use my client
>         app to connect to it, all functions well, and I can start
>         other nodes, and distribution works just fine.
>
>
>         Problem 1:
>
>         I can't stop it by running
>
>         $ _rel/myapp/bin/myapp stop
>
>         after running the command, it's still running (the processes
>         are still there).
>
>         Problem 2:
>
>         I can't start an attaching shell, when I run
>
>         $ _rel/myapp/bin/myapp attach
>
>         I get "Node is not running!"
>
>
>         Any idea?
>
>
>         Thanks
>         Khitai
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