[erlang-questions] gathering error reports on a single node

[Michael Truog]

I think that should work since error_logger depends on io:format/3 as
shown in  lib/erlang/lib/stdlib-1.16.2/src/error_logger_tty_h.erl.  If
the group_leader isn't set in other processes, they would need to depend
on error_logger output.  If you care about sasl, it seems like it would
need to also have the group_leader set.  It is easier if you set the
group_leader at the top of the process hierarchy though... if that is
possible.

Joel Reymont wrote:
> So something like this from the shell then?
>
> [ group_leader(group_leader(), rpc:call(Node, erlang, whereis,
> [error_logger])) || Node <- nodes()].
>
> On Sep 4, 2009, at 9:51 PM, Michael Truog wrote:
>
>> That is suppose to be taken care of for you with the
>> erlang:group_leader/0.  By default the error_logger uses the tty option
>> to use stdout which should find its way to your shell, as long as all
>> processes doing the error_logger-ing have the same group_leader.  (at
>> least that is the way I understand it)
>
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