[erlang-questions] Can't attach to a running release: "No such device or address"

[Lukas Larsson]

Hello,

Have you made sure that the run_erl program is still running?

> ps aux | grep run_erl

This sort of problem would happen if run_erl for some reason exited without
taking the erlang vm with it and not cleaning up the fifos. There should be
a file called run_erl.log in the same directlory where the erlang log files
are, maybe it contains some information about what has happened?

Lukas


On Mon, Jun 23, 2014 at 3:13 PM, Ivan Uemlianin <ivan@REDACTED> wrote:

> Dear All
>
> I have an erlang release (packaged using rebar) running on a server. After
> a bit of maintenance and stopping and starting, I notice I can't attach to
> the running release:
>
>   $ ./bin/appnode attach
>   No running Erlang on pipe /tmp/path/to/erlang.pipe.123: No such device
> or address
>
> The pipe directory exists, containing files erlang.pipe.123.r and
> erlang.pipe.123.w.  File permissions look ok.  I can ping the node.  The
> release is running normally.
>
> I have tried
>
>   $./erts-5.9.3.1/bin/to_erl /tmp/path/to/erlang.pipe.123
>
> and that has the same result. (the version of erts is quite old).
>
> I have googled around the interwebs.
>
> Can anyone suggset some ideas for why this is happening and, mainly, how I
> can attach?
>
> With thanks and best wishes
>
> Ivan
>
>
> --
> ============================================================
> Ivan A. Uemlianin PhD
> Llaisdy
> Speech Technology Research and Development
>
>                     ivan@REDACTED
>                      www.llaisdy.com
>                          llaisdy.wordpress.com
>               github.com/llaisdy
>                      www.linkedin.com/in/ivanuemlianin
>
>                         festina lente
> ============================================================
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