Getting ssl error when running mix release

Richardm

Hi,

I’m getting the following error when running mix release: ** (Mix) Could not load ssl.app. Reason: :enoent

I’m running on Fedora 42 if that helps?

Richard

3 comments

/phoenix #deployment

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2026-06-10 02:55:38 UTC

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dimitarvp

Sharing Erlang + Elixir versions will help, as will telling us if you have OpenSSL’s libraries installed as well.

Post #1

daiagi

Also running on Fedora 42 and encountered this today
No mix.exs changes helped me, but using asdf-managed Erlang/Elixir instead of the system one did:

asdf install erlang 26.2.5
asdf install elixir 1.17.3-otp-26
asdf local erlang 26.2.5
asdf local elixir 1.17.3-otp-26

This is with the versions I use, plug in whatever version you need

Post #2

chirality

Same thing here, no ssl on Fedora 43 when running mix release

iex(1)> Mix.Tasks.Release.run([])
** (Mix.Error) Could not load ssl.app. Reason: :enoent

elixir -v

Erlang/OTP 26 [erts-14.2.5.14 [source] [64-bit] [smp:12:12 [ds:12:12:10] [async-threads:1 [jit:ns]

Elixir 1.19.5 (compiled with Erlang/OTP 26)

dnf list --installed | grep -e ‘erlang’ -e ‘elixir’

elixir.x86_64                                      1.19.5-4.fc43                        updates
erlang.x86_64                                      26.2.5.20-1.fc43                     
erlang-asn1.x86_64                                 26.2.5.20-1.fc43                     
erlang-common_test.x86_64                          26.2.5.20-1.fc43                     
erlang-compiler.x86_64                             26.2.5.20-1.fc43                     
erlang-crypto.x86_64                               26.2.5.20-1.fc43                     
erlang-debugger.x86_64                             26.2.5.20-1.fc43                     
erlang-dialyzer.x86_64                             26.2.5.20-1.fc43                     
erlang-diameter.x86_64                             26.2.5.20-1.fc43                     
erlang-doc.x86_64                                  26.2.5.20-1.fc43                     
erlang-edoc.x86_64                                 26.2.5.20-1.fc43                     
erlang-eldap.x86_64                                26.2.5.20-1.fc43                     
erlang-erl_docgen.x86_64                           26.2.5.20-1.fc43                     
erlang-erl_interface.x86_64                        26.2.5.20-1.fc43                     
erlang-erts.x86_64                                 26.2.5.20-1.fc43                     
erlang-et.x86_64                                   26.2.5.20-1.fc43                     
erlang-eunit.x86_64                                26.2.5.20-1.fc43                     
erlang-ftp.x86_64                                  26.2.5.20-1.fc43                     
erlang-inets.x86_64                                26.2.5.20-1.fc43                     
erlang-jinterface.x86_64                           26.2.5.20-1.fc43                     
erlang-kernel.x86_64                               26.2.5.20-1.fc43                     
erlang-megaco.x86_64                               26.2.5.20-1.fc43                     
erlang-mnesia.x86_64                               26.2.5.20-1.fc43                     
erlang-observer.x86_64                             26.2.5.20-1.fc43                     
erlang-odbc.x86_64                                 26.2.5.20-1.fc43                     
erlang-os_mon.x86_64                               26.2.5.20-1.fc43                     
erlang-parsetools.x86_64                           26.2.5.20-1.fc43                     
erlang-public_key.x86_64                           26.2.5.20-1.fc43                     
erlang-reltool.x86_64                              26.2.5.20-1.fc43                     
erlang-runtime_tools.x86_64                        26.2.5.20-1.fc43                     
erlang-sasl.x86_64                                 26.2.5.20-1.fc43                     
erlang-snmp.x86_64                                 26.2.5.20-1.fc43                     
erlang-src.x86_64                                  26.2.5.20-1.fc43                     
erlang-ssh.x86_64                                  26.2.5.20-1.fc43                     
erlang-ssl.x86_64                                  26.2.5.20-1.fc43                     
erlang-stdlib.x86_64                               26.2.5.20-1.fc43                     
erlang-syntax_tools.x86_64                         26.2.5.20-1.fc43                     
erlang-tftp.x86_64                                 26.2.5.20-1.fc43                     
erlang-tools.x86_64                                26.2.5.20-1.fc43                     
erlang-wx.x86_64                                   26.2.5.20-1.fc43                     
erlang-xmerl.x86_64                                26.2.5.20-1.fc43

I really really want to avoid asdf, I think I will do a docker build if there’s no other options.

Post #3

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