[erlang-questions] *WARNING* Missing application sasl. Can not upgrade with this release

by by@REDACTED
Mon Apr 22 04:52:34 CEST 2019


Sorry for the lack of information, I put the context here for your information:
====
MacBookPro:target_system by$ erl -boot ~/local/pkgs/erlang/erlang21.2.5/lib/erlang/bin/start_sasl -pz ~/local/pkgs/erlang/erlang21.2.5/lib/erlang/lib/sasl-3.3/ebin ~/projects/erls/hello/ebin
Erlang/OTP 21 [erts-10.2.3] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe]

Eshell V10.2.3  (abort with ^G)
1> target_system:create("mysystem").
Reading file: "mysystem.rel" ...
Creating file: "./plain.rel" from "mysystem.rel" ...
Making "./plain.script" and "./plain.boot" files ...
*WARNING* Missing application sasl. Can not upgrade with this release
Making "mysystem.script" and "mysystem.boot" files ...
Creating tar file "mysystem.tar.gz" ...
Creating directory "./tmp" ...
Extracting "mysystem.tar.gz" into directory "./tmp" ...
Deleting "erl" and "start" in directory "./tmp/erts-10.2.3/bin" ...
Creating temporary directory "./tmp/bin" ...
Copying file "./plain.boot" to "./tmp/bin/start.boot" ...
Copying files "epmd", "run_erl" and "to_erl" from 
"./tmp/erts-10.2.3/bin" to "./tmp/bin" ...
Creating temporary directory "./tmp/log" ...
Creating "./tmp/releases/start_erl.data" ...
Recreating tar file "mysystem.tar.gz" from contents in directory "./tmp" ...
Removing directory "./tmp" ...
ok
2> 
====

> 在 2019年4月22日,10:39,by <by@REDACTED> 写道:
> 
> Hello List,
> 
> Recently, I am trying to get familiar with "Creating and Upgrading a Target System”.
> I follow the instructions which documented here: http://erlang.org/doc/system_principles/create_target.html <http://erlang.org/doc/system_principles/create_target.html>
> And I am done with 3.1, but with a *WARNING* message saying: "*WARNING* Missing application sasl. Can not upgrade with this release”.
> How can I suppress this message?
> 
> By the way, I come from rebar3, and just want to understand how the underlying release handing works in Erlang itself.
> 
> Best Regards,
> Yao Bao
> _______________________________________________
> erlang-questions mailing list
> erlang-questions@REDACTED
> http://erlang.org/mailman/listinfo/erlang-questions

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