Build Issues on Android

[wddelacruz]

Versions:

• node: v10.15.3
• npm: 6.4.1
• react-native-cli: 2.0.1
• react-native: 0.58.3
• react-native-intercom: 13.1.0

An error occurs when i attempt to make a build

> Task :app:transformDexArchiveWithExternalLibsDexMergerForRelease FAILED
D8: Cannot fit requested classes in a single dex file (# methods: 68693 > 65536)

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForRelease'.
> com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/0.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/1.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/2.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/3.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/4.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/5.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/6.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/7.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/8.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/9.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/10.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/11.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/12.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/13.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/14.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/15.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/16.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/17.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/18.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/19.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/20.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/21.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/22.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/23.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/24.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/25.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/26.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/27.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/28.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/29.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/30.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/31.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/32.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/33.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/34.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/35.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/36.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/37.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/38.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/39.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/40.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/41.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/42.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/43.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/44.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/45.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/46.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/47.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/48.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/49.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/50.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/51.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/52.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/53.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/54.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/55.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/56.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/57.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/58.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/59.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/60.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/61.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/62.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/63.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/64.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/65.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/66.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/67.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/68.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/69.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/70.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/88.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/91.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/94.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/97.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/100.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/103.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/106.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/109.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/112.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/115.jar, /home/wyn/Code/Nurbality/reactnative/android/app/build/intermediates/transforms/dexBuilder/release/118.jar
  The number of method references in a .dex file cannot exceed 64K.

[jakubkarlicek]

Hey, I also got this error, managed to fix it by using this

android/app/build.gradle

android {
    ...
    defaultConfig {
        ...
        multiDexEnabled true
    }
}

[andercard]

The answer of @jakubkarlicek is the correct answer.

compile 'com.android.support:multidex:1.0.3'

https://developer.android.com/studio/build/multidex#avoid