[RCTRootView reactTag]: unrecognized selector sent to instance

[fergusding]

After I integrate my native iOS project with react-native according to the official docment, run but it crash. The stack information:

reason: -[RCTRootView reactTag]: unrecognized selector sent to instance 0x7f84b8d77040
callStackSymbols: (
0 CoreFoundation 0x0000000112433d85 exceptionPreprocess + 165
1 libobjc.A.dylib 0x0000000111ea7deb objc_exception_throw + 48
2 CoreFoundation 0x000000011243cd3d -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
3 CoreFoundation 0x0000000112382b17 __forwarding + 487
4 CoreFoundation 0x00000001123828a8 _CF_forwarding_prep_0 + 120
5 XXX 0x000000010b3cdd13 -[RCTRootView reactTag] + 339
6 XXX 0x000000010b3ce1eb -[RCTRootView bundleFinishedLoading:] + 187
7 XXX 0x000000010b3ce106 -[RCTRootView javaScriptDidLoad:] + 454
8 CoreFoundation 0x00000001123fdc8c CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER + 12
9 CoreFoundation 0x00000001123fd9cb _CFXRegistrationPost + 427
10 CoreFoundation 0x00000001123fd732 ___CFXNotificationPost_block_invoke + 50
11 CoreFoundation 0x00000001124461e2 -[_CFXNotificationRegistrar find:object:observer:enumerator:] + 1986
12 CoreFoundation 0x00000001122f5679 _CFXNotificationPost + 633
13 Foundation 0x000000010f0b6cd9 -[NSNotificationCenter postNotificationName:object:userInfo:] + 66
14 XXX 0x000000010b371c4f __38-[RCTBatchedBridge executeSourceCode:]_block_invoke.271 + 239
15 libdispatch.dylib 0x0000000112cd6d9d _dispatch_call_block_and_release + 12
16 libdispatch.dylib 0x0000000112cf73eb _dispatch_client_callout + 8
17 libdispatch.dylib 0x0000000112cdf1ef _dispatch_main_queue_callback_4CF + 1738
18 CoreFoundation 0x000000011238d0f9 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE + 9
19 CoreFoundation 0x000000011234eb99 __CFRunLoopRun + 2073
20 CoreFoundation 0x000000011234e0f8 CFRunLoopRunSpecific + 488
21 GraphicsServices 0x0000000113104ad2 GSEventRunModal + 161
22 UIKit 0x000000010f54bf09 UIApplicationMain + 171
23 XXX 0x000000010ae1dbbf main + 111
24 libdyld.dylib 0x0000000112d2b92d start + 1
)

RN Version 0.28.0

Any help for me?

[kb100824]

@fergusding try to 👍 Build Settings -> other linker flags -> -ObjC

[mkonicek]

Hi there! This issue is being closed because it has been inactive for a while.

But don't worry, it will live on with ProductPains! Check out its new home: https://productpains.com/post/react-native/rctrootview-reacttag-unrecognized-selector-sent-to-instance

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Also, if this issue is a bug, please consider sending a pull request with a fix.