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Oserror: Dlopen(libsystem.dylib, 6): Image Not Found

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Just updated my Mac to El Capitan 10.11. I am trying to run Django 1.6 with Celery 3.1 and I'm getting this error now: Unhandled exception in thread started by

Solution 1:

I suspect (but can't confirm) the System Integrity Protection (SIP) of OSX El Capitan is preventing access to your /usr/lib folder.

It would be extreme and defeating the purpose of the security feature, but you could try disabling SIP by booting into the OS X Recovery partition, executing csrutil disable and rebooting...atleast until another option / work-around can be found.

ArsTechnica has a write-up here: http://arstechnica.com/apple/2015/09/os-x-10-11-el-capitan-the-ars-technica-review/9/

And a similar issue is described here: http://blog.honekamp.net/blog/2015/09/07/el-cap-and-my-printer/

More discussion on Hacker News here: https://news.ycombinator.com/item?id=10309576

Solution 2: 

pip install --upgrade billiard
pip install --upgrade celery
pip install --upgrade kombu
pip install --upgrade amqp

This should work.

Solution 3:

I uninstall "billiard,celery,kombu,amqp" those four packages. Then reinstall the latest version from github solved this

Solution 4:

I also ran into the same problem just after upgrading the OS to OS X El Captain. Disabling SIP does the trick, but if someone is not comfortable doing that updating five.py in few modules in site-packages will help. (I know it's not that nice, but it's OK as long as you know what you're doing)

Update the places that access the DLL to have absolute path in following modules 

line 145 of site-packages/amqp/five.py 
line 52 of site-packages/kombu/five.py 
line 42 of site-packages/billiard/five.py

update to:

libSystem = ctypes.CDLL('libSystem.dylib') => libSystem = ctypes.CDLL('/usr/lib/libSystem.dylib')

hope this helps ;)

Solution 5:

I ran into the same issue getting celery to work.

I did some quick tests and here's what I found, but can't quite pin it on a specific cause yet:

a. stock python with ctypes.CDLL("libSystem.dylib") results in the image not found error.

b. stock python with ctypes.CDLL("/usr/lib/libSystem.dylib") works

c. virtualenv python with ctypes.CDLL("libSystem.dylib") works

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