unityLibrary:BuildIl2CppTask error, sudden problem

[rmib200]

Describe the bug

Until today everything was compiling, but now when I tried to build the same project I got this error message. All I did was go to Export Android insider the Flutter bar in Unity and haven't touch anything else.

Build file 'D:\Desktop2\Neurode\flutter-unity-view-widget-master\flutter-unity-view-widget-master\example\android\unityLibrary\build.gradle' line: 78

• What went wrong:
  Execution failed for task ':unityLibrary:BuildIl2CppTask'.

Process 'command 'D:/Desktop2/Neurode/flutter-unity-view-widget-master/flutter-unity-view-widget-master/example/android/unityLibrary/src/main/Il2CppOutputProject/IL2CPP/build/deploy/il2cpp.exe'' finished with non-zero exit value 4

This is my gradle file, that seems to be autogenerated:

// GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN

apply plugin: 'com.android.library'


dependencies {
    implementation(name: 'unity-classes', ext:'jar')

}

android {
    compileSdkVersion 30
    buildToolsVersion '30.0.2'

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    defaultConfig {
        minSdkVersion 22
        targetSdkVersion 30
        ndk {
            abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
        }
        versionCode 1
        versionName '0.1'
        consumerProguardFiles 'proguard-unity.txt'
    }

    lintOptions {
        abortOnError false
    }

    aaptOptions {
        noCompress = ['.ress', '.resource', '.obb']
        ignoreAssetsPattern = "!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~"
    }

    packagingOptions {
        doNotStrip '*/armeabi-v7a/*.so'
        doNotStrip '*/arm64-v8a/*.so'
        doNotStrip '*/x86/*.so'
        doNotStrip '*/x86_64/*.so'
    }
}

def getSdkDir() {
    Properties local = new Properties()
    local.load(new FileInputStream("${rootDir}/local.properties"))
    return local.getProperty('sdk.dir')
}

def BuildIl2Cpp(String workingDir, String configuration, String architecture, String abi, String[] staticLibraries) {
    def commandLineArgs = []
    commandLineArgs.add("--compile-cpp")
    commandLineArgs.add("--platform=Android")
    commandLineArgs.add("--architecture=" + architecture)
    commandLineArgs.add("--outputpath=" + workingDir + "/src/main/jniLibs/" + abi + "/libil2cpp.so")
    commandLineArgs.add("--libil2cpp-static")
    commandLineArgs.add("--baselib-directory=" + workingDir + "/src/main/jniStaticLibs/" + abi)
    commandLineArgs.add("--incremental-g-c-time-slice=3")
    commandLineArgs.add("--configuration=" + configuration)
    commandLineArgs.add("--dotnetprofile=unityaot-linux")
    commandLineArgs.add("--enable-debugger")
    commandLineArgs.add("--profiler-report")
    commandLineArgs.add("--profiler-output-file=" + workingDir + "/build/il2cpp_"+ abi + "_" + configuration + "/il2cpp_conv.traceevents")
    commandLineArgs.add("--print-command-line")
    commandLineArgs.add("--generatedcppdir=" + workingDir + "/src/main/Il2CppOutputProject/Source/il2cppOutput")
    commandLineArgs.add("--cachedirectory=" + workingDir + "/build/il2cpp_"+ abi + "_" + configuration + "/il2cpp_cache")
    commandLineArgs.add("--tool-chain-path=" + android.ndkDirectory)
    staticLibraries.eachWithIndex {fileName, i->
        commandLineArgs.add("--additional-libraries=" + workingDir + "/src/main/jniStaticLibs/" + abi + "/" + fileName)
    }
    def executableExtension = ""
    if (org.gradle.internal.os.OperatingSystem.current().isWindows())
        executableExtension = ".exe"
    exec {
        executable workingDir + "/src/main/Il2CppOutputProject/IL2CPP/build/deploy/il2cpp" + executableExtension
        args commandLineArgs
        environment "ANDROID_SDK_ROOT", getSdkDir()
    }
    delete workingDir + "/src/main/jniLibs/" + abi + "/libil2cpp.sym.so"
    ant.move(file: workingDir + "/src/main/jniLibs/" + abi + "/libil2cpp.dbg.so", tofile: workingDir + "/symbols/" + abi + "/libil2cpp.so")
}

android {
    task BuildIl2CppTask {
        doLast {
              BuildIl2Cpp(projectDir.toString().replaceAll('\\\\', '/'), 'Release', 'armv7', 'armeabi-v7a', [  ] as String[]);
              BuildIl2Cpp(projectDir.toString().replaceAll('\\\\', '/'), 'Release', 'arm64', 'arm64-v8a', [  ] as String[]);
              BuildIl2Cpp(projectDir.toString().replaceAll('\\\\', '/'), 'Release', 'x86', 'x86', [  ] as String[]);
              BuildIl2Cpp(projectDir.toString().replaceAll('\\\\', '/'), 'Release', 'x64', 'x86_64', [  ] as String[]);
        }
    }
    afterEvaluate {
        if (project(':unityLibrary').tasks.findByName('mergeDebugJniLibFolders'))
            project(':unityLibrary').mergeDebugJniLibFolders.dependsOn BuildIl2CppTask
        if (project(':unityLibrary').tasks.findByName('mergeReleaseJniLibFolders'))
            project(':unityLibrary').mergeReleaseJniLibFolders.dependsOn BuildIl2CppTask
    }
    sourceSets {
        main {
            jni.srcDirs = ["src/main/Il2CppOutputProject"]
        }
    }
}

Please, I would appreciate any help in this matter. Maybe I'm doing something wrong inside Unity? I got this warning in the Unity console:

File C:\Users\MSI.android\repositories.cfg could not be loaded.
UnityEditor.BuildPipeline:BuildPlayer (UnityEditor.BuildPlayerOptions)
FlutterUnityIntegration.Editor.Build:DoBuildAndroid (string,bool) (at Assets/FlutterUnityIntegration/Editor/Build.cs:156)
FlutterUnityIntegration.Editor.Build:DoBuildAndroidLibrary () (at Assets/FlutterUnityIntegration/Editor/Build.cs:33)

Expected behavior
Compile apk without the error, like it just to do.

Screenshots
If applicable, add screenshots to help explain your problem.

Unity (please complete the following information):

• OS: Windows
• Version 2022.1.0f1

Smartphone (please complete the following information):

• Device: Techno Spark
• OS: Android
• Version 10

Additional context
Add any other context about the problem here.

[jamesncl]

Is this a duplicate of your other issue 629 or is this a separate issue?

[timbotimbo]

I just noticed a build error ending with the same lines you mentioned:

FAILURE: Build failed with an exception.

* Where:
Build file 'E:\Projects\################\android\unityLibrary\build.gradle' line: 78
* What went wrong:
Execution failed for task ':unityLibrary:BuildIl2CppTask'.
> Process 'command 'E:/Projects/####################/android/unityLibrary/src/main/Il2CppOutputProject/IL2CPP/build/deploy/il2cpp.exe'' finished with non-zero exit value 4

In my case I forgot adding the Unity ndk to android/local.properties.
ndk.dir=C:\\Program Files\\Unity\\Hub\\Editor\\2021.3.5f1\\Editor\\Data\\PlaybackEngines\\AndroidPlayer\\NDK

It's possible that different Il2Cpp build issues result in the same exit code, but its worth a try.

[rmib200]

Removing these lines inside Location: android/unityLibrary/build.gradle solved the issue

Remove these lines

commandLineArgs.add("--enable-debugger")

commandLineArgs.add("--profiler-report")

commandLineArgs.add("--profiler-output-file=" + workingDir + "/build/il2cpp_"+ abi + "" + configuration + "/il2cpp_conv.traceevents")

commandLineArgs.add("--print-command-line")

[satyatechno]

@rmib200
my build.gradle file is that what I do for same issue with my app
`// GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN

apply plugin: 'com.android.library'

dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
}

android {
compileSdkVersion 30
buildToolsVersion '30.0.2'

compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
}

defaultConfig {
    minSdkVersion 19
    targetSdkVersion 30
    ndk {
        abiFilters 'armeabi-v7a', 'arm64-v8a'
    }
    versionCode 1
    versionName '0.1'
    consumerProguardFiles 'proguard-unity.txt'
}

lintOptions {
    abortOnError false
}

aaptOptions {
    noCompress = ['.ress', '.resource', '.obb'] + unityStreamingAssets.tokenize(', ')
    ignoreAssetsPattern = "!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~"
}

packagingOptions {
    doNotStrip '*/armeabi-v7a/*.so'
    doNotStrip '*/arm64-v8a/*.so'
}

}

def getSdkDir() {
Properties local = new Properties()
local.load(new FileInputStream("${rootDir}/local.properties"))
return local.getProperty('sdk.dir')
}

def BuildIl2Cpp(String workingDir, String targetDirectory, String architecture, String abi, String configuration) {
exec {
commandLine(workingDir + "/src/main/Il2CppOutputProject/IL2CPP/build/deploy/netcoreapp3.1/il2cpp.exe",
"--compile-cpp",
"--libil2cpp-static",
"--platform=Android",
"--architecture=" + architecture,
"--configuration=" + configuration,
"--outputpath=" + workingDir + targetDirectory + abi + "/libil2cpp.so",
"--cachedirectory=" + workingDir + "/build/il2cpp_"+ abi + "_" + configuration + "/il2cpp_cache",
"--additional-include-directories=" + workingDir + "/src/main/Il2CppOutputProject/IL2CPP/external/bdwgc/include",
"--additional-include-directories=" + workingDir + "/src/main/Il2CppOutputProject/IL2CPP/libil2cpp/include",
"--tool-chain-path=" + android.ndkDirectory,
"--map-file-parser=" + workingDir + "/src/main/Il2CppOutputProject/IL2CPP/MapFileParser/MapFileParser.exe",
"--generatedcppdir=" + workingDir + "/src/main/Il2CppOutputProject/Source/il2cppOutput",
"--baselib-directory=" + workingDir + "/src/main/jniStaticLibs/" + abi,
"--dotnetprofile=unityaot")
environment "ANDROID_SDK_ROOT", getSdkDir()
}
delete workingDir + targetDirectory + abi + "/libil2cpp.sym.so"
ant.move(file: workingDir + targetDirectory + abi + "/libil2cpp.dbg.so", tofile: workingDir + "/symbols/" + abi + "/libil2cpp.so")
}

android {
task BuildIl2CppTask {
doLast {
BuildIl2Cpp(projectDir.toString().replaceAll('\\', '/'), '/src/main/jniLibs/', 'ARMv7', 'armeabi-v7a', 'Release');
BuildIl2Cpp(projectDir.toString().replaceAll('\\', '/'), '/src/main/jniLibs/', 'ARM64', 'arm64-v8a', 'Release');
}
}
afterEvaluate {
if (project(':unityLibrary').tasks.findByName('mergeDebugJniLibFolders'))
project(':unityLibrary').mergeDebugJniLibFolders.dependsOn BuildIl2CppTask
if (project(':unityLibrary').tasks.findByName('mergeReleaseJniLibFolders'))
project(':unityLibrary').mergeReleaseJniLibFolders.dependsOn BuildIl2CppTask
}
sourceSets {
main {
jni.srcDirs = ["src/main/Il2CppOutputProject"]
}
}
}

`

[UnityExpert]

Removing these lines inside Location: android/unityLibrary/build.gradle solved the issue

Remove these lines

commandLineArgs.add("--enable-debugger")

commandLineArgs.add("--profiler-report")

commandLineArgs.add("--profiler-output-file=" + workingDir + "/build/il2cpp_"+ abi + "" + configuration + "/il2cpp_conv.traceevents")

commandLineArgs.add("--print-command-line")

I tried same thing removed these in unityLibrary/build.gradle but still face same error

Execution failed for task ':unityLibrary:BuildIl2CppTask'.

Process 'command 'D:/games/flutter-unity-view-widget-master/example/android/unityLibrary/src/main/Il2CppOutputProject/IL2CPP/build/deploy/il2cpp.exe'' finished with non-zero exit value 4