[Resolved] Release build fails with Hermes and RN 0.61.4 on mac

React Native version: 0.61.4

Steps To Reproduce

here and here https://github.com/facebook/react-native/issues/25601#issuecomment-510856047

1. In proguard-rules.pro -keep class com.facebook.hermes.unicode.** { *; }

2. In build.gradle classpath 'com.android.tools.build:gradle:3.4.2'

3. In gradle-wrapper.properties distributionUrl=https\://services.gradle.org/distributions/gradle-5.5-all.zip

4. My updated react.gradle

5. Copied node_modules/react-native/react.gradle to android/app/react.gradle

6. updated app/build.gradle

project.ext.react = [
    entryFile: "index.android.js",
    enableHermes: true,
    hermesCommand: "../../node_modules/hermes-engine/%OS-BIN%/hermes",
]

def jscFlavor = 'org.webkit:android-jsc:+'

def enableHermes = project.ext.react.get("enableHermes", false);

apply from: "./react.gradle"

dependencies {
.
.
.
   if (enableHermes) {
        def hermesPath = "../../node_modules/hermes-engine/android/";
        debugImplementation files(hermesPath + "hermes-debug.aar")
        releaseImplementation files(hermesPath + "hermes-release.aar")
    } else {
        implementation jscFlavor
    }

}

1. npm install with package.json --only=dev

"hermes-engine": "^0.1.1",

1. run ./android/gradlew clean and react-native run-android --variant=release

Error Trace

Here is the error trace

Describe what you expected to happen:

Release build should successfully go through and the app should not crash.

[ErHarinderSingh]

I am facing same issue.

See screenshot attached. I am facing it in release build only. In both versions i.e. react-native 0.61.3 and 0.61.4.

[beqramo]

sorry for a big file but there is a lot more but I skip it. @holospeed I’m using react native 61.5 version

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