[erlang-questions] rebar3 and CT's main node

Roberto Ostinelli <>
Sat Mar 19 10:07:38 CET 2016

When I manually run CT with:

ct_run -dir test -pa ebin

and print out the node the tests are running on with a simple:

ct:pal("node = ~p", [node()]).

I get something similar to:


However, when I run CT with rebar3 by issuing:

rebar3 ct

Then the same command prints:


This is ok for most tests, but since I'm testing distributed nodes with
ct_slave [1] this impedes a slave to be started, as the main node is a
'' and hence the slave node cannot connect to this 'nonode'.

If anyone wants to try this just run Syn's suite, it will fail when using
rebar3 here:

With a {{badmatch,{}}.

Any ideas?

Thank you,

[1] http://erlang.org/doc/man/ct_slave.html
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