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Xcode 9 : UI API called on a background thread #137

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VPTeamMobile opened this issue Sep 26, 2017 · 1 comment
Closed

Xcode 9 : UI API called on a background thread #137

VPTeamMobile opened this issue Sep 26, 2017 · 1 comment

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@VPTeamMobile
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HI,

I have a crash from your SDK (version 2.2.1) when I am running my UITests on Xcode 9 :

Main Thread Checker: UI API called on a background thread: -[UIApplication delegate]
PID: 38308, TID: 1263418, Thread name: (none), Queue name: NSManagedObjectContext 0x6000003c2850, QoS: 0
Backtrace:
4   Mixpanel                            0x000000010e71bf61 _T08Mixpanel15AutomaticEventsC05setupB12PushTrackingyyF + 177
5   Mixpanel                            0x000000010e71b757 _T08Mixpanel15AutomaticEventsC010initializeC0yyF + 2423
6   Mixpanel                            0x000000010e6fd94a _T08Mixpanel0A8InstanceCACSSSg8apiToken_s10DictionaryVySC29UIApplicationLaunchOptionsKeyVypGSg06launchH0Sd13flushIntervalSS4nametcfcTf4ggngXn_n + 1882
7   Mixpanel                            0x000000010e7da24c _T08MixpanelAAC10initializeAA0A8InstanceCSS5token_s10DictionaryVySC29UIApplicationLaunchOptionsKeyVypGSg06launchH0Sd13flushIntervalSS12instanceNametFZ + 236
8   vente-privee                        0x000000010caab1f5 _T012vente_privee15MixPanelManagerC13Configuration33_875168FBC80821E78DD3B448FE61BC21LLO10initialize8Mixpanel0N8InstanceCSS5token_tF + 181
9   vente-privee                        0x000000010caab12f _T012vente_privee15MixPanelManagerC13Configuration33_875168FBC80821E78DD3B448FE61BC21LLO8instance8Mixpanel0N8InstanceCyFAJyKXKfu_ + 63
10  vente-privee                        0x000000010cab7220 _T012vente_privee15MixPanelManagerC13Configuration33_875168FBC80821E78DD3B448FE61BC21LLO8instance8Mixpanel0N8InstanceCyFAJyKXKfu_TA + 48
11  vente-privee                        0x000000010caab03e _T012vente_privee15MixPanelManagerC13Configuration33_875168FBC80821E78DD3B448FE61BC21LLO8instance8Mixpanel0N8InstanceCyF + 238
12  vente-privee                        0x000000010caab4c6 _T012vente_privee15MixPanelManagerC03mixD8Instance8Mixpanel0hG0CyFZ + 118
13  vente-privee                        0x000000010cd08fa5 _T012vente_privee22MixPanelPeoplePropertyO06peopleF033_820539499D4BAFC1A6DF3189884886BCLLySi5value_tF + 85
14  vente-privee                        0x000000010cd09980 _T012vente_privee22MixPanelPeoplePropertyO8registeryyF + 1696
15  vente-privee                        0x000000010cd0b10d _T012vente_privee15MixPanelManagerC21superPropertiesMemberyAA0H0C6member_tFZ + 797
16  vente-privee                        0x000000010cccbee3 _T012vente_privee20AuthenticationParserC20createOrUpdateObjectyyF + 3187
17  vente-privee                        0x000000010ca9c75a _T012vente_privee14ResponseParserC13parseDidStarty9Alamofire04DataC0VyypGF + 58
18  vente-privee                        0x000000010ca9c355 _T012vente_privee14ResponseParserC14parseWillStarty9Alamofire04DataC0VyypGFySo22NSManagedObjectContextCcfU_ + 821
19  vente-privee                        0x000000010ca9c4e4 _T012vente_privee14ResponseParserC14parseWillStarty9Alamofire04DataC0VyypGFySo22NSManagedObjectContextCcfU_TA + 84
20  vente-privee                        0x000000010c78de0e _T0So22NSManagedObjectContextCIxx_ABIyBy_TR + 62
21  MagicalRecord                       0x000000010f6e744c __51+[MagicalRecord(Actions) saveWithBlock:completion:]_block_invoke + 95
22  CoreData                            0x0000000111b6fbf8 developerSubmittedBlockToNSManagedObjectContextPerform + 168
23  libdispatch.dylib                   0x0000000117de52b5 _dispatch_client_callout + 8
24  libdispatch.dylib                   0x0000000117dece3f _dispatch_queue_serial_drain + 654
25  libdispatch.dylib                   0x0000000117ded690 _dispatch_queue_invoke + 329
26  libdispatch.dylib                   0x0000000117de9d94 _dispatch_queue_override_invoke + 477
27  libdispatch.dylib                   0x0000000117defa72 _dispatch_root_queue_drain + 568
28  libdispatch.dylib                   0x0000000117def7dc _dispatch_worker_thread3 + 119
29  libsystem_pthread.dylib             0x000000011829b5a2 _pthread_wqthread + 1299
30  libsystem_pthread.dylib             0x000000011829b07d start_wqthread + 13

The new Xcode feature : warning runtime is also reporting this issue :

UI API called from background thread Group
file:///Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/Carthage/Checkouts/mixpanel-swift/Mixpanel/AutomaticEvents.swift: runtime: UI API called from background thread: UIApplication.delegate must be used from main thread only

Thread 66
#0	0x00000001059d8f60 in AutomaticEvents.setupAutomaticPushTracking() at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/Carthage/Checkouts/mixpanel-swift/Mixpanel/AutomaticEvents.swift:163
#1	0x00000001059d8757 in AutomaticEvents.initializeEvents() at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/Carthage/Checkouts/mixpanel-swift/Mixpanel/AutomaticEvents.swift:87
#2	0x00000001059ba94a in specialized MixpanelInstance.init(apiToken:launchOptions:flushInterval:name:) at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/Carthage/Checkouts/mixpanel-swift/Mixpanel/MixpanelInstance.swift:264
#3	0x0000000105a9724c in MixpanelInstance.init(apiToken:launchOptions:flushInterval:name:) [inlined] ()
#4	0x0000000105a97215 in MixpanelInstance.__allocating_init(apiToken:launchOptions:flushInterval:name:) [inlined] ()
#5	0x0000000105a97215 in MixpanelManager.initialize(token:launchOptions:flushInterval:instanceName:) [inlined] at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/Carthage/Checkouts/mixpanel-swift/Mixpanel/Mixpanel.swift:142
#6	0x0000000105a97215 in static Mixpanel.initialize(token:launchOptions:flushInterval:instanceName:) at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/Carthage/Checkouts/mixpanel-swift/Mixpanel/Mixpanel.swift:44
#7	0x0000000105a97215 in static Mixpanel.initialize(token:launchOptions:flushInterval:instanceName:) ()
#8	0x0000000105a97215 in static Mixpanel.initialize(token:launchOptions:flushInterval:instanceName:) ()
#9	0x0000000105a97215 in static Mixpanel.initialize(token:launchOptions:flushInterval:instanceName:) ()
#10	0x0000000103d5e425 in MixPanelManager.Configuration.initialize(token:) at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Managers/MixPanel/MixPanelManager.swift:71
#11	0x0000000103d5e35f in implicit closure #1 in MixPanelManager.Configuration.instance() at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Managers/MixPanel/MixPanelManager.swift:61
#12	0x0000000103d6a450 in partial apply for implicit closure #1 in MixPanelManager.Configuration.instance() ()
#13	0x0000000103d5e26e in MixPanelManager.Configuration.instance() at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Managers/MixPanel/MixPanelManager.swift:61
#14	0x0000000103d5e6f6 in static MixPanelManager.mixPanelInstance() at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Managers/MixPanel/MixPanelManager.swift:85
#15	0x0000000103fbc035 in MixPanelPeopleProperty.peopleProperty(value:) at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Managers/MixPanel/MixPanelManager+PeopleProperty.swift:164
#16	0x0000000103fbca10 in MixPanelPeopleProperty.register() at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Managers/MixPanel/MixPanelManager+PeopleProperty.swift:178
#17	0x0000000103fbe19d in static MixPanelManager.superPropertiesMember(member:) at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Managers/MixPanel/MixPanelManager+SuperProperty.swift:26
#18	0x0000000103f7ef73 in AuthenticationParser.createOrUpdateObject() at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Network/ResponseParser/Authentication/AuthenticationParser.swift:50
#19	0x0000000103d4f98a in ResponseParser.parseDidStart(_:) at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Network/ResponseParser/ResponseParser.swift:297
#20	0x0000000103d4f585 in closure #1 in ResponseParser.parseWillStart(_:) at /Users/aurelienpinston/Documents/Projects/iOS-vente-privee/vente-privee/vente-privee/Sources/Network/ResponseParser/ResponseParser.swift:290

I am calling methods from your SDK in a background thread.

Thanks
@yarneo
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yarneo commented Oct 19, 2017

this has been fixed in the latest release ( v2.2.2 ) , thanks!

@yarneo yarneo closed this as completed Oct 19, 2017
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@yarneo @VPTeamMobile