Reputation: 4847
I just installed PostgreSQL with Homebrew and when I go on to type the command
psql
I get the following error:
dyld: Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
Referenced from: /usr/local/bin/psql
Reason: image not found
[1] 69711 trace trap psql
What's wrong?
Upvotes: 253
Views: 77528
Reputation: 395
I tried all these terminal commands and nothing worked, so I decided to fix it manually...
Open finder and hit Command + Shift + G.
Go to this folder /usr/local/opt/readline/lib/
You should see multiple versions of these files:
libreadline.6.dylib
libreadline.7.0.dylib
Rename any of them to whichever library is not loaded.
this is: /usr/local/opt/readline/lib/libreadline.6.2.dylib
mine was: /usr/local/opt/readline/lib/libreadline.6.dylib
Upvotes: 4
Reputation: 807
If the situation is you have a higher version readline, say 7.0, you can do this:
cd /usr/local/opt/readline/lib
ln libreadline.7.0.dylib libreadline.6.2.dylib
Upvotes: 79
Reputation: 5053
None of those solutions worked for me; I had to run:
brew upgrade bash
From: Library not loaded: /usr/local/opt/readline/lib/libreadline.6.dylib #5799
Upvotes: 8
Reputation: 2373
You could try brew doctor
and see what it says.
Possibly all you need is brew link --overwrite bash
.
For me, I just upgraded Homebrew since OS X v10.11 (El Capitan) had some security upgrade that affects my /usr
folder. During the Homebrew upgrade, the Bash link is broken, and this is what brew doctor
tells me.
So I just run brew link --overwrite bash
and everything's fine.
Upvotes: 0
Reputation: 101
I had this problem when I updated readline to version 7 by accident. I uninstalled readline and Homebrew reminded me 6.3.8 was still installed. It seems that version 7 is not working with PostgreSQL at the moment.
Upvotes: 4
Reputation: 945
Troy's answer didn't work for me, so I wanted to post what did eventually work. Based on a thread I found here, I had to uninstall readline and the install it again but from source.
brew uninstall readline
brew install --build-from-source readline
After that, the psql error went away.
Upvotes: 6
Reputation: 320
This had helped me: uninstall all instances of readline and PostgreSQL:
export CPPFLAGS=-I/usr/local/opt/readline/include
export LDFLAGS=-L/usr/local/opt/readline/lib
And install PostgreSQL.
Upvotes: 2
Reputation: 4105
I was getting the exact same error, but the previous answers didn't work for me. I had to reinstall PostgreSQL.
brew reinstall postgresql
Upvotes: 390
Reputation: 4984
The solution is to force the linking of readline again.
brew remove readline
brew install readline
brew link readline --force
Upvotes: 20
Reputation: 1494
The following commands worked for me:
brew reinstall postgresql
brew postgresql-upgrade-database
Upvotes: 3
Reputation: 759
This worked for me
brew switch readline
This would display the versions you have installed. Pick one out of them. I picked 7.0.5
I then ran
brew switch readline 7.0.5
The readline version got updated, and psql
ran smoothly.
Upvotes: 32
Reputation: 3982
The key problem is that your postgresql was trying to find the libreadline.6.2.dylib
but your readline
is version 7.0
, so only 7's lib is linked.
I don't think upgrading postgresql is a good idea, it's not easy and may cause a lot of problem, especially when you already have database data.
What I do, is to switch the version of readline
. When you check brew info readline
, you will find different versions, mine is 6.3.8
, so I switch to that version by executing:
$ brew switch readline 6.3.8
It will change to 6.3.8 and create the link:
Cleaning /usr/local/Cellar/readline/6.3.8
Cleaning /usr/local/Cellar/readline/7.0.1
Opt link created for /usr/local/Cellar/readline/6.3.8
In this case, all the linked lib becomes to 6 version, and command line works:
$ ls /usr/local/opt/readline/lib/
libhistory.6.2.dylib libhistory.dylib libreadline.a
libhistory.6.3.dylib libreadline.6.2.dylib libreadline.dylib
libhistory.6.dylib libreadline.6.3.dylib
libhistory.a libreadline.6.dylib
However, if you have different apps using the different version of readline, I think you should consider upgrading.
Update: 06/02/2019
What if the old version is not installed?
Homebrew
doesn't provide a way to install old version formula. And since v2.0.0, it will run brew cleanup
as default behaviours every 30 days. Therefore, you may accidentally update brew
and delete the old version.
Here are the steps to install old version:
homebrew-core
directory: $ cd $(brew --repository)/Library/Taps/homebrew/homebrew-core
$ git log master -- Formula/readline.rb
commit 1dd4221c35716d6bec363ad3425ef93ffe7d9b9f
Author: BrewTestBot <[email protected]>
Date: Wed Aug 15 21:51:16 2018 +0000
readline: update 7.0.5 bottle.
$ git checkout 1dd4221c35716d6bec363ad3425ef93ffe7d9b9f Formula/readline.rb
$ brew reinstall readline
Following those steps, you can reinstall the old version of formula.
Upvotes: 135
Reputation: 181
It seems to me the problem is about update readline package. postgres tryied to use /usr/local/opt/readline/lib/libreadline.7.dylib in my case. So i just created a symlink to existing version of library /usr/local/opt/readline/lib/libreadline.8.dylib.
worked for me:
ln -s /usr/local/opt/readline/lib/libreadline.8.dylib /usr/local/opt/readline/lib/libreadline.7.dylib
Upvotes: 14
Reputation: 565
this worked for me
ln -s /usr/local/opt/readline/lib/libreadline.7.0.dylib /usr/local/opt/readline/lib/libreadline.6.dylib
Upvotes: 23
Reputation: 6029
For some unknown reason, when this error popped up for the next version of Readline, my RVM seemed unable to locate the right one no matter how I symlinked it, throwing:
Library not loaded: /usr/local/opt/readline/lib/libreadline.7.dylib (LoadError)
I ended up adding the gem rb-readline
to my Gemfile and doing another bundle install
and it started working.
I... just don't know.
Upvotes: 0
Reputation: 7387
In my case the correct answer did not fix the problem.
The problem started after running brew doctor
and adding export PATH="/usr/local/bin:$PATH"
to my ~/.zshrc file.
Removing
export PATH="/usr/local/bin:$PATH"
from ~/.zshrc
got it solved.
Upvotes: 0
Reputation: 418
You might want to check if you have anything else symlinked to postgresql
. I had previously linked to the postgres93 package, which, as of May '17, is unsupported and has been removed. Removing that link and then relinking worked for me:
brew unlink postgresql93
brew link postgresql
Upvotes: 0
Reputation: 1493
I tried all the previews answers, and nothing worked. The only thing that really worked for me was:
brew link postgresql
Upvotes: 3
Reputation: 51
Another way to fix psql is update postgresql just running
brew upgrade postgresql
since the newest version will use readline 7 version.
Upvotes: 5
Reputation: 1254
I found this solution helpful
brew upgrade bash
https://github.com/Homebrew/homebrew-core/issues/5799
Upvotes: 1
Reputation: 191
I had this issue, and the key for me was to reinstall
both readline
and postgres
. Once postgres was reinstalled, the issue was resolved.
Upvotes: 5
Reputation: 21902
If you don't have readline installed, first install it:
brew install readline
For me, I was getting this error, even though I had readline installed. Reinstalling readline did the trick:
brew reinstall readline
Upvotes: 46