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'launch path not " exception on OSX commit 183608046d0124eb9c97b0a7a023d909f9d26f71

On Xcode when I press "run" after the build the application crashes with this exception: " Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'launch path not link text"

Product Version: Not Selected
crash.txt (83.6 kB)
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asked Mar 21 '14 at 03:47 PM in Bug Reports

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avatar image Ben Halliday STAFF Mar 21 '14 at 04:09 PM

Hey Leonano,

Are you making changes to the source code or code in a project? Is the editor crashing or is Xcode crashing? Are you able to build and launch in another, unmodified project?

avatar image Leonano Mar 21 '14 at 04:42 PM

The Editor is crashing. I've tried to start it both from xcode "Product -> Run" and Terminal Engine/Binaries/Mac/UE4Editor-Mac-Debug.app. The attached crash.txt is produced when we start from terminal source code is unmodified on branch 4.0

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The problem is that certain binaries in the required dependencies (that you download from GitHub, ahead of building) don't have execute permissions set. You can fix this by opening up Terminal.app and doing the following:

Change to the directory where you cloned the source repository. Mine is in /Users/myname/UnrealEngine

 cd /Users/myname/UnrealEngine

Change to the binaries directory and set perms.

 cd Engine/Binaries/Mac
 chmod 755 ShaderCompileWorker UnrealLightmass UnrealPak
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answered Mar 21 '14 at 10:41 PM

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avatar image jaylr Mar 21 '14 at 10:48 PM

Sorry guys, I can't make the formatting work correctly for some reason, but the fix works!

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