[erlang-questions] bcrypt issue -- missing library?

Roger Lipscombe roger@REDACTED
Wed Mar 28 21:21:05 CEST 2018

On 28 March 2018 at 19:38,  <lloyd@REDACTED> wrote:
> (wgd@REDACTED)4> application:start(bcrypt).
> =WARNING REPORT==== 28-Mar-2018::14:12:39 ===
> The on_load function for module bcrypt_nif returned {error,
> {bad_lib,
> "Library version (2.11) not compatible (with 2.8)."}}

You've compiled the NIF against a later version of Erlang/OTP than the
one you're attempting to use it with. The version list in erl_nif.h
says that 2.11 is OTP-19, and 2.8 is OTP-18.0.

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