Description

This is a top crash on Mac. This crash has only occurred on the 4.16.1 release (there are no records of it in 4.16.0). Repro steps are currently unknown, but the crash occurs in Commandlet mode and seems related to cooking. Various user command lines are below.

/Users/removed/Desktop/unreal/projects/CountryHouse/CountryHouse 4.16/CountryHouse.uproject" -run=Cook -NoLogTimes -TargetPlatform=HTML5 -fileopenlog -unversioned -abslog=/Users/removed/Desktop/unreal/UE_4.16/Engine/Programs/AutomationTool/Saved/Cook-2017.06.05-15.48.59.txt -stdout -CrashForUAT -unattended -UTF8Output

/Users/removed/Documents/Unreal Projects/protohunter0_15 4.16/protohunter0_15.uproject" -run=Cook -NoLogTimes -TargetPlatform=MacNoEditor -fileopenlog -unversioned -abslog="/Users/Shared/Epic Games/UE_4.16/Engine/Programs/AutomationTool/Saved/Cook-2017.06.06-00.08.36.txt" -stdout -CrashForUAT -unattended -UTF8Output

/Users/removed/Documents/Unreal Projects/RealisticRendering/RealisticRendering.uproject" -run=Cook -NoLogTimes -TargetPlatform=MacNoEditor -fileopenlog -unversioned -abslog=/Users/Shared/UnrealEngine/4.16/Engine/Programs/AutomationTool/Saved/Cook-2017.06.07-00.48.04.txt -stdout -CrashForUAT -unattended -UTF8Output

/Users/removed/Documents/Unreal Projects/guido/guido.uproject" -run=cook -cookonthefly -unattended -CrashForUAT -log -abslog="/Users/removed/Library/Logs/Unreal Engine/LocalBuildLogs/Server.log" -SessionId=D7D9497A464172E3CFAED5A8DE83FF0B -SessionOwner=removed -SessionName=Chrome
Steps to Reproduce

To reproduce you need to have an old (older than 8.2) version of Xcode installed and set as default using xcode-select, then try to cook any project.

Callstack
SEGV_MAPERR at 0x3

UE4Editor-UnrealEd.dylib!UEditorEngine::UpdateAutoLoadProject()
UE4Editor-UnrealEd.dylib!UEditorEngine::InitEditor()
UE4Editor!FEngineLoop::PreInit()
UE4Editor!GuardedMain()
UE4Editor!<Unknown>
UE4Editor-Core.dylib!<Unknown>
Foundation!Unknown()
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-45740 in the post.

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Fixed
ComponentUE - Platform - Apple
Affects Versions4.16.1
Target Fix4.16.2
Fix Commit3502769
CreatedJun 6, 2017
ResolvedJun 21, 2017
UpdatedApr 27, 2018
View Jira Issue