java.lang.IllegalArgumentException

[romreed]

• I have reviewed the documentation
• I have searched existing issues
• I am using the latest React Native version

This error show me google console in production (more often in android 7.0). Maybe this help you

java.lang.IllegalArgumentException:
at okhttp3.Headers$Builder.checkNameAndValue (Headers.java:320)
at okhttp3.Headers$Builder.add (Headers.java:270)
at com.facebook.react.modules.network.NetworkingModule.extractHeaders (NetworkingModule.java:702)
at com.facebook.react.modules.network.NetworkingModule.sendRequest (NetworkingModule.java:330)
at java.lang.reflect.Method.invoke (Native Method)
at com.facebook.react.bridge.JavaMethodWrapper.invoke (JavaMethodWrapper.java:372)
at com.facebook.react.bridge.JavaModuleWrapper.invoke (JavaModuleWrapper.java:160)
at com.facebook.react.bridge.queue.NativeRunnable.run (Native Method)
at android.os.Handler.handleCallback (Handler.java:754)
at android.os.Handler.dispatchMessage (Handler.java:95)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage (MessageQueueThreadHandler.java:29)
at android.os.Looper.loop (Looper.java:163)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$3.run (MessageQueueThreadImpl.java:192)
at java.lang.Thread.run (Thread.java:760)

Environment

Environment:
OS: macOS Sierra 10.12.6
Node: 8.6.0
Yarn: 1.5.1
npm: 5.6.0
Watchman: 4.9.0
Xcode: Xcode 9.0 Build version 9A235
Android Studio: 3.1 AI-173.4720617

Packages: (wanted => installed)
react: 16.3.1 => 16.3.1
react-native: 0.55.4 => 0.55.4

[react-native-bot]

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[rahamin1]

@romreed Did you find any solution?

[romreed]

@rahamin1 No (

[rahamin1]

Thanks! So you used https://branch.io/ ?

[romreed]

@rahamin1 No. I dont found solution for this problem. Try check your header in fetch or axios. I read what if you send request with null or undefined in header you got this crash.

[johnreytanquinco]

also getting similar issue. #20620