dyld Library not loaded usr local opt openssl lib libssl 1 0 0 dylib

Question

I installed vapor via homebrew and then immediately wanted to jump into a project by executing vapor new Hello but then got the following message back in the terminal   dyld  Library not loaded   usr local opt openssl lib libssl 1 0 0 dylib Referenced from   usr local bin vapor Reason  image not found zsh  abort      vapor new Hello   I tried some approaches to fix this like uninstalling and reinstalling openssl via brew but that didn t work   Also tried something I found in the internet but nothing worked  I assume it has something to do with vapor only working with version 1 0 0 but not 1 1 1 and that s what I have  I guess I need to downgrade to 1 0 0 but how d I do that  I m on MacOS Catalina if that matters

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first  list the details of the installed openssl version or other programs  by    ls -al  usr local Cellar openssl   usr local Cellar openssl  total 0 drwxr-xr-x    3 mba  staff    96 Nov 30 17 18   drwxrwxr-x  170 mba  admin  5440 Apr  8 02 03    drwxr-xr-x   13 mba  staff   416 Nov 21 03 13 1 0 2t   usr local Cellar openssl 1 1  total 0 drwxr-xr-x    4 mba  staff   128 Apr  7 18 35   drwxrwxr-x  170 mba  admin  5440 Apr  8 02 03    drwxr-xr-x   14 mba  staff   448 Oct  1  2019 1 1 1d drwxr-xr-x   14 mba  staff   448 Apr  7 18 35 1 1 1f   as above output  there are only one  right  versions  openssl  in my mac  then  switch to it    brew switch openssl 1 0 2t                                  Cleaning  usr local Cellar openssl 1 0 2t Opt link created for  usr local Cellar openssl 1 0 2t

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Explanation an solution  It seems that you re required to install older openssl version that is no longer exist on current brew repository   1 0 2t version     In order to solve it you should create a tap and extract an older version   looking through repository history   after new installation create a link to this version and you re linked to the right version  brew uninstall --ignore-dependencies openssl brew tap-new  USER old-openssl brew extract --version 1 0 2t openssl  USER old-openssl brew install openssl 1 0 2t ln -s  usr local Cellar openssl 1 0 2t 1 0 2t  usr local opt openssl  Documentation    Taps  Third-Party Repositories  brew tap adds more repositories to the list of formulae that brew tracks  updates  and installs from  By default  tap assumes that the repositories come from GitHub  but the command isn   t limited to any one location    tap-new  options  user repo       Generate the template files for a new tap          --no-git  Don   t initialize a git repository for the tap   --pull-label  Label name for pull requests ready to be pulled  default pr-pull    --branch  Initialize git repository with the specified branch name  default main     extract  options  formula tap Look through repository history to find the most recent version of formula and create a copy in tap Formula formula version rb  If the tap is not installed yet  attempt to install clone the tap before continuing  To extract a formula from a tap that is not homebrew core use its fully-qualified form of user repo formula   extract  options  package user repo --version  Extract the specified version of formula instead of the most recent  -f  --force  Overwrite the destination formula if it already exists

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I ran into this error with mysql  version  5 6 46 2   Mac  Mojave 10 14 5         brew update  amp  amp  brew upgrade     brew now setup mysql     echo    export PATH     usr local opt mysql56 bin  PATH        gt  gt          bash profile      usr local opt mysql56 bin mysql server start

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This is the only thing that worked for me  OSX Catalina 10 15 7  1- Download the file  wget https   github com tebelorg Tump releases download v1 0 0 openssl rb  2 - Run brew with the file downloaded  brew install openssl rb

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This worked for me  brew uninstall openssl  brew uninstall openssl  brew install https   github com tebelorg Tump releases download v1 0 0 openssl rb Suggested in this post  https   github com kelaberetiv TagUI issues 635 issuecomment-560139279

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Try to use install name tool   sudo install name tool -change  usr local opt openssl lib libssl 1 0 0 dylib  usr local opt openssl lib libssl 1 1 dylib   which vapor  sudo install name tool -change  usr local opt openssl lib libcrypto 1 0 0 dylib  usr local opt openssl lib libcrypto 1 1 dylib   which vapor    In my case it start working when I used install name tool  The order of the parameter is following  old value  incorrect   then new value  where you have your openssl  and the path to vapor  which can be easily get by   which vapor

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I had a similar issue and based on this and other comments here s what happened and worked     brew update  amp  amp  brew upgrade  amp  amp  brew install openssl remote  Repository not found  fatal  repository  https   github com Homebrew homebrew-dupes   not found Error  homebrew homebrew-dupes does not exist  Run  brew untap homebrew homebrew-dupes  to remove it        brew untap homebrew homebrew-dupes   brew update  amp  amp  brew upgrade  amp  amp  brew install openssl   This was after working on it for hours  but first time I saw the homebrew-dupes  Not sure how Homebrew knew what to install  but it seemed to install everything from scratch  macOS Catalina  zsh  I think the initial problem came because of Catalina  The error I was getting was   dlopen  Users gscar  gem ruby 2 7 0 gems pg-1 2 2 lib pg ext bundle  9   Library not loaded   usr local opt openssl lib libssl 1 0 0 dylib  LoadError    Referenced from   usr local opt postgresql lib libpq 5 dylib   Reason  image not found -  Users gscar  gem ruby 2 7 0 gems pg-1 2 2 lib pg ext bundle

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This worked for me  brew uninstall openssl brew tap-new  USER old-openssl brew extract --version 1 0 2t openssl  USER old-openssl brew install openssl 1 0 2t  Source  https   github com kelaberetiv TagUI issues 635 issuecomment-560138773

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Had this issue when trying to use LastPass CLI via Alfred on my Catalina install  brew update  amp  amp  brew upgrade fixed the issue  This is a much better optin than downgrading openssl

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My recommendation is to never lower your openssl lib version for the sake of getting your build to work  Better to download the source code of the required lib and build it against the openssl version you have on your localhost  I came across this posting while going through the same issue but was not comfortable lowering the openssl version come what may  Finally took the source code and build the app and it worked  I dont know why devs have their old versions of openssl on their boxes and which they build the dist packages and publish against those old version

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brew switch openssl 1 0 2t   catalina this is ok

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I have tried several solutions proposed above without success  So  I have installed the last ruby version 2 7 2 with rbenv  and upgraded my app  Then I had a PG  ConnectionBad error  I ran brew postgresql-upgrade-database   And now It   s working fine  here more details about what I tried

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Mehn this is me in July 7  2020  after facing this error for 4 hours  This is the only command that worked for me   brew update  amp  amp  brew upgrade

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I was able to solve this by upgrading Python 3 via brew brew upgrade python 3

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i ll throw in my 2 cents because i didn t see an answer that resolved my issue  my particular use case  relates to starting a legacy rails application using ruby 2 6 3 with postgres 10 x series   i m running macOS 10 13 x high sierra i update brew almost on a daily basis  and the version of openssl i have is 1 1  haven t started the rails app in several months  needed to perform some maintenance on the app today and  got some lovely   error messages below  9   Library not loaded   usr local opt openssl lib libssl 1 0 0 dylib  LoadError    Referenced from   usr local opt postgresql lib libpq 5 dylib  echo  quot and quot   9   Library not loaded   usr local opt openssl lib libcrypto 1 0 0 dylib  LoadError    Referenced from   usr local opt postgresql lib libpq 5 dylib   Reason  image not found -  the quickest way to work around my particular issue was to create a smylink from the current  libssl 1 1 dylib libcrypto 1 1 dylib  create 2 symlinks cd  usr local opt openssl lib  ln -sf libcrypto 1 1 dylib libcrypto 1 0 0 dylib ln -sf libssl 1 1 dylib libssl 1 0 0 dylib  paths and version numbers are obviously going to change over time so pay attention to the path and version numbers while creating the above symlinks  after the symlinks were created  i am able to start my rails app  cheers  leaving this here for future me

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This might be a problem because of having the older version of brew and installed byobu which require new dependency in order to solve this problem run the following command  brew update  amp  amp  brew upgrade brew uninstall openssl  brew uninstall openssl  brew install https   github com tebelorg Tump releases download v1 0 0 openssl rb

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brew reinstall openssl  It automatically updates mysql server compatible with openssl  I tried many things  but only this worked for me

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I found this question after searching for the first line of this error  dyld  Library not loaded   opt local lib libcrypto 1 0 0 dylib   Referenced from   opt local lib libgssapi krb5 2 2 dylib   Reason  image not found Abort trap  6  That I saw not from using vapor  but instead  as the result of using ssh and scp and git after upgrading some packages  I think it s unwise to downgrade most packages as  Smokie and others suggested doing with openssl  especially for security-related packages   So I generalized the answer posted by  MichalCichon on solving the problem with install name tool and that seems to have taken care of my issue  at least for now with ssh and scp  I think I ll be able to use a variant of this solution if the problem comes up again with another executable   Because it was the non-existent  opt local lib libcrypto 1 0 0 dylib library that was missing  and because I had a  opt local lib libcrypto 1 1 dylib after upgrading  and because ssh and scp were referencing  opt local lib libgssapi krb5 2 2 dylib in an attempt to find  opt local lib libcrypto 1 0 0 dylib  I just used install name tool like this    sudo install name tool -change  opt local lib libcrypto 1 0 0 dylib   opt local lib libcrypto 1 1 dylib   opt local lib libgssapi krb5 2 2 dylib  Then tried running ssh again  It failed again  but this time with a different error  dyld  Library not loaded   opt local lib libcrypto 1 0 0 dylib   Referenced from   opt local lib libkrb5 3 3 dylib   Reason  image not found Abort trap  6  So then I did    sudo install name tool -change  opt local lib libcrypto 1 0 0 dylib   opt local lib libcrypto 1 1 dylib   opt local lib libkrb5 3 3 dylib  and tried ssh again  Again it failed  but with yet another different error  dyld  Library not loaded   opt local lib libcrypto 1 0 0 dylib   Referenced from   opt local lib libk5crypto 3 1 dylib   Reason  image not found Abort trap  6  So then I did    sudo install name tool -change  opt local lib libcrypto 1 0 0 dylib   opt local lib libcrypto 1 1 dylib   opt local lib libk5crypto 3 1 dylib  and tried ssh again  Again it failed  but with yet another different error  dyld  Library not loaded   opt local lib libcrypto 1 0 0 dylib   Referenced from   opt local lib libkrb5support 1 1 dylib   Reason  image not found Abort trap  6  So then I did    sudo install name tool -change  opt local lib libcrypto 1 0 0 dylib   opt local lib libcrypto 1 1 dylib   opt local lib libkrb5support 1 1 dylib  and tried ssh again  Finally  ssh and scp and git resumed working as expected  Thank you  MichalCichon for a great answer that I was able to generalize beyond vapor to allow myself to continue using ssh without downgrading my openssl

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I had to downgrade OpenSSL in this way  brew uninstall --ignore-dependencies openssl brew install https   raw githubusercontent com Homebrew homebrew-core 30fd2b68feb458656c2da2b91e577960b11c42f4 Formula openssl rb  It was the only solution that worked for me

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For MacOS 10 15 Catalina try to install the previous openssl   brew update  amp  amp  brew upgrade brew uninstall --ignore-dependencies openssl brew install https   github com tebelorg Tump releases download v1 0 0 openssl rb

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brew switch openssl 1 0 2r   it work for me macOS Mojave  Version 10 14 6

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A simple brew update  amp  amp  brew upgrade did the trick for me

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I ran into a similar error trying to run rails with postgresql   I found this SO looking for a solution  Homebrew broke alot of things when it switched to open SSL 1 1 1  The above answers did not work for me  Mac 10 14 6   However  the answer found here did  brew install --upgrade openssl brew reinstall postgresql

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I had a similar issue and running the command below fixed the error for me   brew update  amp  amp  brew upgrade

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If you are using ruby-2 7 0 on MacOS Catalina 10 15    brew reinstall openssl 1 1   or     rvm reinstall 2 7 0   brew tap --repair   brew doctor

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I spent a lot of time trying all of the above  and nothing seemed to solve  Then I resorted the reinstalling ruby  and 2 minutes later the problem entirely vanished   I hope this saves something else some time

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brew switch openssl 1 0 2s  worked for me on  macOS Mojave    version 10 14 6

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Switch to an older openssl package  brew switch openssl 1 0 2s   Or  depending on your exact system configuration  you may need to switch to a different version  Check the output of ls -al  usr local Cellar openssl for the version number to switch to   brew switch openssl 1 0 2q   or brew switch openssl 1 0 2r   or  brew switch openssl 1 0 2s   or brew switch openssl 1 0 2t   etc

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If you don t have Homebrew or don t know what is it   usr bin ruby -e    curl -fsSL https   raw githubusercontent com Homebrew install master install   brew update  amp  amp  brew upgrade brew uninstall openssl  brew uninstall openssl  brew install https   github com tebelorg Tump releases download v1 0 0 openssl rb   Or if you already have Homebrew installed  brew update  amp  amp  brew upgrade brew uninstall openssl  brew uninstall openssl  brew install https   github com tebelorg Tump releases download v1 0 0 openssl rb   This works for me on Mac 10 15

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This worked for me on my mac  brew switch openssl 1 0 2n

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Above solution didn t work for me  First run brew doctor  if you see something like Error  unknown or unsupported macOS version   mountain lion  then there are some outdated packages which needs to be removed  mine was mongodb  It could be python 2  node 6 or some other package  uninstall those packages brew uninstall  name  then run brew doctor to verify if everything is ok  Then you can reinstall those packages again after brew update  amp  amp  brew upgrade

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December 2020 This thread has many answers  but none worked for me  The top answer also suggests a downgrade  brew switch     throws Calling brew switch is disabled  this worked for me  brew install rbenv tap openssl 1 0 ln -sfn  usr local Cellar openssl 1 0 1 0 2t  usr local opt openssl  found here  https   github com kelaberetiv TagUI issues 86  I need to run old mongodb 3 4 on OSX 10 13 x

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Had this error with mysql 5 6 Try to reinstall mysql brew reinstall mysql 5 6  This will fix

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I had the same problem  I solved it by running these 2 commands    brew uninstall vapor brew install vapor tap vapor   It worked

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brew switch openssl 1 0 2q   MacOs Catalina  Version 10 15 worked for me

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Proposing brew update  amp  amp  brew upgrade as the solution is not a good answer and  as this error appears in most of the cases due the execution of this     Switch to the previous version you were using with only  brew switch openssl XXX and that s it

[macos] dyld: Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib

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