couldn't find DSO to load: libhermes.so caused by #35895

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1. Hmoulvad

   added

   Needs: Triage 🔍

   Type: New ArchitectureIssues and PRs related to new architecture (Fabric/Turbo Modules)Issues and PRs related to new architecture (Fabric/Turbo Modules)

   on Jan 19, 2023
2. cortinico

   added

   Tech: HermesHermes Engine: https://hermesengine.dev/Hermes Engine: https://hermesengine.dev/

   and removed

   Type: New ArchitectureIssues and PRs related to new architecture (Fabric/Turbo Modules)Issues and PRs related to new architecture (Fabric/Turbo Modules)

   on Jan 19, 2023
3. cortinico commented on Jan 19, 2023

   

   cortinico

   on Jan 19, 2023

   Contributor

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   When building towards Android no issues on IOS.

   Can you share your android/app/build.gradle and android/build.gradle files?
4. cortinico

   added

   Platform: AndroidAndroid applications.Android applications.

   Needs: Author Feedback

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   Needs: Triage 🔍

   on Jan 19, 2023
5. Hmoulvad commented on Jan 19, 2023

   

   Hmoulvad

   on Jan 19, 2023

   Last edited by Hmoulvad

   Author

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   Thanks! Here you go @cortinico

   android/app/build.gradle

   // Top-level build file where you can add configuration options common to all sub-projects/modules.
   buildscript {
       ext {
           buildToolsVersion = "33.0.0"
           minSdkVersion = 21
           compileSdkVersion = 33
           targetSdkVersion = 33
   
           // We use NDK 23 which has both M1 support and is the side-by-side NDK version from AGP.
           ndkVersion = "23.1.7779620"
       }
       repositories {
           google()
           mavenCentral()
       }
       dependencies {
           classpath('com.android.tools.build:gradle:7.3.1')
           classpath("com.facebook.react:react-native-gradle-plugin")
       }
   }
   
   allprojects {
       repositories {
           // Scanbot SDK Maven repositories:
           maven { url 'https://nexus.scanbot.io/nexus/content/repositories/releases/' }
           maven { url 'https://nexus.scanbot.io/nexus/content/repositories/snapshots/' }
       }
   }
   

   android/app/build.gradle

   apply plugin: "com.android.application"
   apply plugin: "com.facebook.react"
   
   import com.android.build.OutputFile
   
   /**
    * This is the configuration block to customize your React Native Android app.
    * By default you don't need to apply any configuration, just uncomment the lines you need.
    */
   react {
       /* Folders */
       //   The root of your project, i.e. where "package.json" lives. Default is '..'
       // root = file("../")
       //   The folder where the react-native NPM package is. Default is ../node_modules/react-native
       // reactNativeDir = file("../node_modules/react-native")
       //   The folder where the react-native Codegen package is. Default is ../node_modules/@react-native/codegen
       // codegenDir = file("../node_modules/@react-native/codegen")
       //   The cli.js file which is the React Native CLI entrypoint. Default is ../node_modules/react-native/cli.js
       // cliFile = file("../node_modules/react-native/cli.js")
   
       /* Variants */
       //   The list of variants to that are debuggable. For those we're going to
       //   skip the bundling of the JS bundle and the assets. By default is just 'debug'.
       //   If you add flavors like lite, prod, etc. you'll have to list your debuggableVariants.
       // debuggableVariants = ["liteDebug", "prodDebug"]
   
       /* Bundling */
       //   A list containing the node command and its flags. Default is just 'node'.
       // nodeExecutableAndArgs = ["node"]
       //
       //   The command to run when bundling. By default is 'bundle'
       // bundleCommand = "ram-bundle"
       //
       //   The path to the CLI configuration file. Default is empty.
       // bundleConfig = file(../rn-cli.config.js)
       //
       //   The name of the generated asset file containing your JS bundle
       // bundleAssetName = "MyApplication.android.bundle"
       //
       //   The entry file for bundle generation. Default is 'index.android.js' or 'index.js'
       // entryFile = file("../js/MyApplication.android.js")
       //
       //   A list of extra flags to pass to the 'bundle' commands.
       //   See https://github.com/react-native-community/cli/blob/main/docs/commands.md#bundle
       // extraPackagerArgs = []
   
       /* Hermes Commands */
       //   The hermes compiler command to run. By default it is 'hermesc'
       // hermesCommand = "$rootDir/my-custom-hermesc/bin/hermesc"
       //
       //   The list of flags to pass to the Hermes compiler. By default is "-O", "-output-source-map"
       // hermesFlags = ["-O", "-output-source-map"]
   }
   
    // Load local properties
   Properties localProperties = new Properties()
    if (project.rootProject.file('local.properties').exists()) {
       localProperties.load(project.rootProject.file('local.properties').newDataInputStream())
   }
   
   /**
    * Set this to true to create two separate APKs instead of one:
    * one for each native architecture. This is useful if you don't
    * use App Bundles (https://developer.android.com/guide/app-bundle/)
    * and want to have separate APKs to upload to the Play Store.
    */
   def enableSeparateBuildPerCPUArchitecture = false
   
   /**
    * Set this to true to Run Proguard on Release builds to minify the Java bytecode.
    */
   def enableProguardInReleaseBuilds = false
   
   /**
    * The preferred build flavor of JavaScriptCore (JSC)
    *
    * For example, to use the international variant, you can use:
    * `def jscFlavor = 'org.webkit:android-jsc-intl:+'`
    *
    * The international variant includes ICU i18n library and necessary data
    * allowing to use e.g. `Date.toLocaleString` and `String.localeCompare` that
    * give correct results when using with locales other than en-US.  Note that
    * this variant is about 6MiB larger per architecture than default.
    */
   def jscFlavor = 'org.webkit:android-jsc-intl:+'
   
   /**
    * Private function to get the list of Native Architectures you want to build.
    * This reads the value from reactNativeArchitectures in your gradle.properties
    * file and works together with the --active-arch-only flag of react-native run-android.
    */
   def reactNativeArchitectures() {
       def value = project.getProperties().get("reactNativeArchitectures")
       return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
   }
   
   def googleMapsApiKey = localProperties.getProperty('MAPS_API_KEY') ? localProperties.getProperty('MAPS_API_KEY') : System.getenv("MAPS_API_KEY")
   
   def buildNumber = localProperties.getProperty('BUILD_ID') ? localProperties.getProperty('BUILD_ID') : System.getenv("APPCENTER_BUILD_ID")
   
   android {
       ndkVersion rootProject.ext.ndkVersion
   
       compileSdkVersion rootProject.ext.compileSdkVersion
   
       namespace = "dk.ao.AO"
       defaultConfig {
           applicationId "dk.ao.AO"
           minSdkVersion rootProject.ext.minSdkVersion
           targetSdkVersion rootProject.ext.targetSdkVersion
           versionCode buildNumber.toInteger()
           versionName "5.14.0"
           multiDexEnabled true
           manifestPlaceholders = [googleMapsApiKey:googleMapsApiKey]
       }
   
       splits {
           abi {
               reset()
               enable enableSeparateBuildPerCPUArchitecture
               universalApk false  // If true, also generate a universal APK
               include (*reactNativeArchitectures())
           }
       }
       signingConfigs {
           debug {
               storeFile file('debug.keystore')
               storePassword 'android'
               keyAlias 'androiddebugkey'
               keyPassword 'android'
           }
           release {
               if (localProperties.getProperty('APP_UPLOAD_STORE_FILE')) {
                   storeFile file(localProperties.getProperty('APP_UPLOAD_STORE_FILE'))
                   storePassword localProperties.getProperty('APP_UPLOAD_STORE_PASSWORD')
                   keyAlias localProperties.getProperty('APP_UPLOAD_KEY_ALIAS')
                   keyPassword localProperties.getProperty('APP_UPLOAD_KEY_PASSWORD')
               } else {
                   storeFile file(System.getenv("APPCENTER_KEYSTORE_FILE"))
                   storePassword System.getenv("APPCENTER_KEYSTORE_PASSWORD")
                   keyAlias System.getenv("APPCENTER_KEY_ALIAS")
                   keyPassword System.getenv("APPCENTER_KEY_PASSWORD")
               }
           }
       }
       buildTypes {
           debug {
               signingConfig signingConfigs.debug
           }
           release {
               // According to microsoft documentations here: https://docs.microsoft.com/en-us/appcenter/build/android/code-signing
               // In case you uploaded a keystore to the build configuration in the App Center portal, take into account that this approach will require to delete the signingConfig option from the buildTypes section of your build.gradle.
               // But if you want to make production release build locally, you need to uncomment line below first.
               // signingConfig signingConfigs.release
               minifyEnabled enableProguardInReleaseBuilds
               proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
           }
       }
   
       // applicationVariants are e.g. debug, release
       applicationVariants.all { variant ->
           variant.outputs.each { output ->
               // For each separate APK per architecture, set a unique version code as described here:
               // https://developer.android.com/studio/build/configure-apk-splits.html
               // Example: versionCode 1 will generate 1001 for armeabi-v7a, 1002 for x86, etc.
               def versionCodes = ["armeabi-v7a": 1, "x86": 2, "arm64-v8a": 3, "x86_64": 4]
               def abi = output.getFilter(OutputFile.ABI)
               if (abi != null) {  // null for the universal-debug, universal-release variants
                   output.versionCodeOverride =
                           defaultConfig.versionCode * 1000 + versionCodes.get(abi)
               }
   
           }
       }
   }
   
   dependencies {
       // The version of react-native is set by the React Native Gradle Plugin
       implementation("com.facebook.react:react-android")
   
       implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.0.0")
   
       debugImplementation("com.facebook.flipper:flipper:${FLIPPER_VERSION}")
       debugImplementation("com.facebook.flipper:flipper-network-plugin:${FLIPPER_VERSION}") {
           exclude group:'com.squareup.okhttp3', module:'okhttp'
       }
       debugImplementation("com.facebook.flipper:flipper-fresco-plugin:${FLIPPER_VERSION}")
       
       if (hermesEnabled.toBoolean()) {
           implementation("com.facebook.react:hermes-android")
       } else {
           implementation jscFlavor
       }
   }
   
   apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)
   
6. github-actions

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   Needs: Author Feedback

   on Jan 19, 2023
7. cortinico

   removed

   Tech: HermesHermes Engine: https://hermesengine.dev/Hermes Engine: https://hermesengine.dev/

   on Jan 19, 2023
8. cortinico commented on Jan 19, 2023

   

   cortinico

   on Jan 19, 2023

   Contributor

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   I'm unsure what's your problem as:

   The error in the stacktrace says

   E/SoLoader: couldn't find DSO to load: libhermes.so

   while the title of this issue is:

   couldn't find DSO to load: libjscexecutor.so

   Can you copy the content of your android/gradle.properties file?
9. cortinico

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   Needs: Author Feedback

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   Needs: AttentionIssues where the author has responded to feedback.Issues where the author has responded to feedback.

   on Jan 19, 2023
10. 131 remaining items

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11. angelica-snowit commented on Nov 5, 2024

    

    angelica-snowit

    on Nov 5, 2024

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    Same error logged on Crashlytics with RN 0.76.0

    👍React with 👍4Reacted by Lucas Oliveira, JeffreyVanelderenACA, TheNextBid and Thierry
12. doneitas commented on Nov 5, 2024

    

    doneitas

    on Nov 5, 2024

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    Same error logged on Crashlytics with RN 0.76.0

    Old arch?
13. angelica-snowit commented on Nov 5, 2024

    

    angelica-snowit

    on Nov 5, 2024

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    Same error logged on Crashlytics with RN 0.76.0

    Old arch?

    Yes

    👍React with 👍1Reacted by Donatas
14. egmepara commented on Dec 10, 2024

    

    egmepara

    on Dec 10, 2024

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    I have the same crash for RN 0.71.16. Any solution ?
15. purevsurena commented on Dec 17, 2024

    

    purevsurena

    on Dec 17, 2024

    More actions

    Same error occurred in React Native version 0.73.6, received via Firebase Crashlytics.

    Device Details:

    • Brand: Samsung
    • Model: Galaxy S20+ 5G
    • Available RAM: 6.51 GB
    • Available Storage: 14.78 GB
16. RohovDmytro commented on Dec 17, 2024

    

    RohovDmytro

    on Dec 17, 2024

    More actions

    "react-native": "^0.76.5" + old arch + Pixel 6 Pro + Android 12

    Same crash.
17. gulshercb7 commented on Dec 26, 2024

    

    gulshercb7

    on Dec 26, 2024

    More actions

    "react-native": "^0.76.5" + old arch + Nexus 5X + Android 13

    Same crash.
18. DarshanSavaliyaGitHub commented on Jan 20, 2025

    

    DarshanSavaliyaGitHub

    on Jan 20, 2025

    More actions

    I'm using "react-native":"0.73.1"
    facing below crash in production build.

    MainActivity.onCreate java.lang.UnsatisfiedLinkError - dlopen failed: library "libhermes.so" not found
19. gyhyfj commented on Jan 24, 2025

    

    gyhyfj

    on Jan 24, 2025

    More actions

    same problem on "一加5"
20. wahidshadab commented on Feb 3, 2025

    

    wahidshadab

    on Feb 3, 2025

    More actions

    +1
21. liyamahendra commented on Feb 11, 2025

    

    liyamahendra

    on Feb 11, 2025

    More actions

    Possible Fix for "libhermes.so not found" Error

    I encountered this error:

    Fatal Exception: java.lang.UnsatisfiedLinkError  
    dlopen failed: library "libhermes.so" not found  
    

    To resolve it, check:

    1. Open node_modules/jsc-android/README.md
    2. Find the section "How to use it with my React Native app"
    3. Follow the instructions to configure JSC properly

    Hope this helps! 🚀
22. micant commented on Mar 5, 2025

    

    micant

    on Mar 5, 2025

    Last edited by micant

    More actions

    This config fixed the issue for me.

    gradle.properies

    hermesEnabled=true
    ...
    

    app/build.gradle

    def jscFlavor = 'org.webkit:android-jsc:+'
    
    def hermesEnabled = project.hasProperty('hermesEnabled') && project.hermesEnabled.toBoolean()
    
    dependencies {
        // Core dependencies
        implementation fileTree(dir: "libs", include: ["*.jar"])
        implementation project(':react-native-config')
        implementation 'com.facebook.react:react-native:0.77.1'
        implementation 'androidx.core:core-ktx:1.12.0'
    
        if (hermesEnabled) {
            implementation("com.facebook.react:hermes-engine:+") { exclude group:'com.facebook.fbjni' }
        } else {
            implementation jscFlavor
        }
    }
    
    ...
    

    Hope this helps

    EDIT:
    Build is react-native 0.77.1

    👍React with 👍1Reacted by Joshua Celis
23. JCELIS04 commented on Jul 11, 2025

    

    JCELIS04

    on Jul 11, 2025

    More actions

    This config fixed the issue for me.

    gradle.properies

    hermesEnabled=true
    ...
    

    app/build.gradle

    def jscFlavor = 'org.webkit:android-jsc:+'
    
    def hermesEnabled = project.hasProperty('hermesEnabled') && project.hermesEnabled.toBoolean()
    
    dependencies {
        // Core dependencies
        implementation fileTree(dir: "libs", include: ["*.jar"])
        implementation project(':react-native-config')
        implementation 'com.facebook.react:react-native:0.77.1'
        implementation 'androidx.core:core-ktx:1.12.0'
    
        if (hermesEnabled) {
            implementation("com.facebook.react:hermes-engine:+") { exclude group:'com.facebook.fbjni' }
        } else {
            implementation jscFlavor
        }
    }
    
    ...
    

    Hope this helps

    EDIT: Build is react-native 0.77.1

    This config fixed the issue for me.

    gradle.properies

    hermesEnabled=true
    ...
    

    app/build.gradle

    def jscFlavor = 'org.webkit:android-jsc:+'
    
    def hermesEnabled = project.hasProperty('hermesEnabled') && project.hermesEnabled.toBoolean()
    
    dependencies {
        // Core dependencies
        implementation fileTree(dir: "libs", include: ["*.jar"])
        implementation project(':react-native-config')
        implementation 'com.facebook.react:react-native:0.77.1'
        implementation 'androidx.core:core-ktx:1.12.0'
    
        if (hermesEnabled) {
            implementation("com.facebook.react:hermes-engine:+") { exclude group:'com.facebook.fbjni' }
        } else {
            implementation jscFlavor
        }
    }
    
    ...
    

    Hope this helps

    EDIT: Build is react-native 0.77.1

    Worked for me on react-native 0.73.0
24. kiranthati521 commented on Aug 22, 2025

    

    kiranthati521

    on Aug 22, 2025

    More actions

    Unable to load neither the Hermes nor the JSC native library. Your application is not built correctly and will fail to execute
    2025-08-22 12:07:32.790 17751-18226 AndroidRuntime com.Nsl.KisanVikas.farmmanagement E FATAL EXCEPTION: AsyncTask #3
    Process: com.Nsl.KisanVikas.farmmanagement, PID: 17751
    java.lang.RuntimeException: An error occurred while executing doInBackground()
    at android.os.AsyncTask$4.done(AsyncTask.java:399)
    at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
    at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
    at java.util.concurrent.FutureTask.run(FutureTask.java:271)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
    at java.lang.Thread.run(Thread.java:919)
    Caused by: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.Nsl.KisanVikas.farmmanagement-Dzns1OX6jrUALfr0Jm6HpQ==/base.apk"],nativeLibraryDirectories=[/data/app/com.Nsl.KisanVikas.farmmanagement-Dzns1OX6jrUALfr0Jm6HpQ==/lib/arm64, /data/app/com.Nsl.KisanVikas.farmmanagement-Dzns1OX6jrUALfr0Jm6HpQ==/base.apk!/lib/arm64-v8a, /system/lib64, /vendor/lib64]]] couldn't find "libreact_devsupportjni.so"
    at java.lang.Runtime.loadLibrary0(Runtime.java:1067)
25. itmsroohim commented on Sep 2, 2025

    

    itmsroohim

    on Sep 2, 2025

    More actions

    I finally could solve it by renaming my Mainapplication.java and Mainactivity.java to .kt
    changing
    SoLoader.init(this, OpenSourceMergedSoMapping) // Use this

    • SoLoader.init(this, false) // remove this one
      -I also added following in app/build.gradle
      // Soloader
      implementation 'com.facebook.soloader:soloader:0.12.1'

      // Hermes engine
      if(hermesEnabled.toBoolean()) {
      implementation("com.facebook.react:hermes-android")
      } else {
      implementation 'org.webkit:android-jsc:+'
      }
      }

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