Error:Execution failed for task ':app:compileDebugKotlin'. > Compilation error. See log for more details

Error:Execution failed for task ':app:compileDebugKotlin'. > Compilation error. See log for more details

build:gradle(Module:app)

buildscript {
    repositories {
        maven {
            url 'https://jitpack.io'
            url 'https://maven.fabric.io/public'
        }
    }

    dependencies {
        classpath 'io.fabric.tools:gradle:1.+'
    }
}
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'io.fabric'
apply plugin: 'kotlin-android-extensions'


repositories {
    maven { url 'https://maven.fabric.io/public' }
    mavenCentral()
}


android {
    compileSdkVersion 25
    buildToolsVersion "25.0.2"
    useLibrary 'org.apache.http.legacy'

   

    lintOptions {
        checkReleaseBuilds false
        abortOnError false
    }

    defaultConfig {
        applicationId "uxx.xx.xxe"
        minSdkVersion 18
        targetSdkVersion 25
        versionCode 17
        versionName "0.1.14"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            debuggable false
            minifyEnabled true
            shrinkResources true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
        debug {
            ext.enableCrashlytics = false
            debuggable true
            minifyEnabled true
            shrinkResources true
            
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    sourceSets {
        main {
            jniLibs.srcDirs = ['libs']
            assets.srcDirs = ['src/main/assets', 'src/main/assets/']
            res.srcDirs = ['src/main/res', 'src/main/assets/fonts']
        }
    }

    dexOptions {
        jumboMode true
        javaMaxHeapSize "4g"

    }

    packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/ECLIPSE_.SF'
        exclude 'META-INF/ECLIPSE_.RSA'
    }
}


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

    compile "com.android.support:cardview-v7:${rootProject.supportLibraryVersion}"
       compile "com.google.android.gms:play-services-ads:${rootProject.googlePlayServicesVersion}"
    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
    compile 'org.igniterealtime.smack:smack-android-extensions:4.1.9'
    compile 'org.igniterealtime.smack:smack-tcp:4.1.9'
    compile 'org.igniterealtime.smack:smack-experimental:4.1.9'
    testCompile 'junit:junit:4.12'
}

apply plugin: 'com.google.gms.google-services'
apply plugin: 'com.getkeepsafe.dexcount'

build:gradle(Project)

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    ext.kotlin_version = '1.1.2-2'
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.1'
        classpath 'com.google.gms:google-services:3.0.0'
        //visualize the method count
        classpath 'com.getkeepsafe.dexcount:dexcount-gradle-plugin:0.6.2'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
    repositories {
        jcenter()
        maven { url "https://jitpack.io" }
    }
}

ext.googlePlayServicesVersion = '10.2.0'
ext.supportLibraryVersion = '25.3.1'

task clean(type: Delete) {
    delete rootProject.buildDir
}

Solution Tried:

1. Invalidate Caches/Restart
2. Build -> Clean Project
3. Update kotlin plugin, used lastest version of kotlin, google APIs.

EDIT

./gradlew build --stacktrace > logs.txt 2>logErrors.txt

logErrors.txt

* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:compileDebugKotlin'.
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:84)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:55)
	at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:62)
	at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
	at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:88)
	at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:46)
	at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:51)
	at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
	at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
	at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.execute(DefaultTaskGraphExecuter.java:236)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.execute(DefaultTaskGraphExecuter.java:228)
	at org.gradle.internal.Transformers$4.transform(Transformers.java:169)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:106)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:61)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:228)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:215)
	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:77)
	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:58)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:32)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:113)
	at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)
	at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
	at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExecuter.java:23)
	at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecuter.java:43)
	at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
	at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
	at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30)
	at org.gradle.initialization.DefaultGradleLauncher$3.execute(DefaultGradleLauncher.java:196)
	at org.gradle.initialization.DefaultGradleLauncher$3.execute(DefaultGradleLauncher.java:193)
	at org.gradle.internal.Transformers$4.transform(Transformers.java:169)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:106)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:56)
	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:193)
	at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:119)
	at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:102)
	at org.gradle.launcher.exec.GradleBuildController.run(GradleBuildController.java:71)
	at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:41)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:26)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:75)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:49)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:44)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:29)
	at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:67)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:47)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
	at org.gradle.util.Swapper.swap(Swapper.java:38)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:72)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
	at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
	at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:297)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
	at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
Caused by: org.gradle.api.GradleException: Compilation error. See log for more details
	at org.jetbrains.kotlin.gradle.tasks.TasksUtilsKt.throwGradleExceptionIfError(tasksUtils.kt:8)
	at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.processCompilerExitCode(Tasks.kt:286)
	at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompiler$kotlin_gradle_plugin(Tasks.kt:260)
	at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompiler$kotlin_gradle_plugin(Tasks.kt:160)
	at org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile.execute(Tasks.kt:141)
	at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
	at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$IncrementalTaskAction.doExecute(DefaultTaskClassInfoStore.java:163)
	at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:134)
	at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:123)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:95)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:76)
	... 70 more

I got such error after a simple try of code refactoring. It has happened nor after some library was connected neither any changes in gradle. It looked like something in my code was wrong but the compiler could not found the issue. That's why I double checked all changes that I did and found that I had changed somehow method signature in the interface but had not changed it in class that implements it. I got this error twice during one day and decided to share my experience. I hope that it is a temporary compiler bug.

Solution 1 Possible solution is to go to File -> Settings -> Compiler -> and add "--stacktrace --debug" to Command-line Options. Read log and try to found the answer of what went wrong.

In new Android Studio 3.1.+, you can enable/disable console log details by pressing "Toggle View" on "Build" tab. There you can find the details. Pay attention that both modes can be useful for investigation of the problem's reason. See: https://stackoverflow.com/a/49717363/

Solution 2 Click on Gradle (on the right side bar) then under :app choose assembleDebug (or assembleYourFlavor if you use flavors). Error will show up in Run tab. See: https://stackoverflow.com/a/51022296

Solution 3 As a last resort. In the android studio, try Analyze -> Inspect Code -> Whole project. Wait until the inspection is over and then correct errors in "General" section and possible ones in other sections.

Note The kapt3 can be a source of such bugs. I removed apply plugin: 'kotlin-kapt' and added kapt { generateStubs = true } into android {} section of build.gradle. It seems that the previous version of the kapt generator is bugs free. (Update. It looks like a bug with kapt is gone on kotlin version 1.2.+)

I had misleading error messages similar to the ones posted in the question:

> Compilation error. See log for more details

And:

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:compileDebugKotlin'.
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:100)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70)
	at org.gradle.api.internal.tasks.execution.OutputDirectoryCreatingTaskExecuter.execute(OutputDirectoryCreatingTaskExecuter.java:51)
	at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:62)
	at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54)
	at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:60)
	at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:97)
	at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:87)
	at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:52)
	at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
	at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
	at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
	at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.java:248)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:241)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:230)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor.java:123)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.java:79)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:104)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:98)
	at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:626)
	at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:581)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:98)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
	at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.gradle.api.GradleException: Compilation error. See log for more details
	at org.jetbrains.kotlin.gradle.tasks.TasksUtilsKt.throwGradleExceptionIfError(tasksUtils.kt:16)
	at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.processCompilerExitCode(Tasks.kt:429)
	at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompiler$kotlin_gradle_plugin(Tasks.kt:390)
	at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompiler$kotlin_gradle_plugin(Tasks.kt:274)
	at org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile.execute(Tasks.kt:233)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
	at org.gradle.api.internal.project.taskfactory.IncrementalTaskAction.doExecute(IncrementalTaskAction.java:46)
	at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:39)
	at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:26)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:121)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:110)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92)
	... 32 more

#Solution:

I solved it by

1. Clicking on Gradle (on the right side bar) ->
2. Then under :app
3. Then choose assembleDebug (or assembleYourFlavor if you use flavors)

In Picture:

1 & 2:

3:

Error will show up in Run: tab.

If you are using AS 3.1 the new build graphical console isn't very helpful for finding out the source of the problem.

you need to click on toggle view and see the logs in text format to see the error and if needed to Run with --stacktrace

This error shows up when there is Kotlin Compilation Error.

Run the below command to find where there is Kotlin Compilation Error,

gradlew clean assembleDebug (for Windows)
./gradlew clean assembleDebug (for Linux and Mac)

It will show you the exact location on which line there is Kotlin Compilation Error.

In such case look at gradle console it will show the issue in detail with exact location which led to this compilation error.

In my case I was using Butterknife in one of my class and I had auto-converted that class to kotlin using android studio's utility

Log in Gradle Console

Executing tasks: [:app:assembleDebug]

Configuration on demand is an incubating feature.
Configuration 'compile' in project ':app' is deprecated. Use 'implementation' instead.
registerResGeneratingTask is deprecated, use registerGeneratedFolders(FileCollection)
:app:buildInfoDebugLoader
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:compileDebugAidl UP-TO-DATE
:app:compileDebugRenderscript UP-TO-DATE
:app:checkDebugManifest UP-TO-DATE
:app:generateDebugBuildConfig UP-TO-DATE
:app:generateDebugResValues UP-TO-DATE
:app:generateDebugResources UP-TO-DATE
:app:processDebugGoogleServices
Parsing json file: /Users/Downloads/myproject/app/google-services.json
:app:mergeDebugResources UP-TO-DATE
:app:createDebugCompatibleScreenManifests UP-TO-DATE
:app:processDebugManifest
:app:splitsDiscoveryTaskDebug UP-TO-DATE
:app:processDebugResources
:app:kaptGenerateStubsDebugKotlin
Using kotlin incremental compilation
:app:kaptDebugKotlin
e: /Users/Downloads/myproject/app/build/tmp/kapt3/stubs/debug/com/myproject/util/ConfirmationDialog.java:10: error: @BindView fields must not be private or static. (com.myproject.util.ConfirmationDialog.imgConfirmationLogo)
e: 

e:     private android.widget.ImageView imgConfirmationLogo;
e:                                      ^
e: /Users/Downloads/myproject/app/build/tmp/kapt3/stubs/debug/com/myproject/util/ConfirmationDialog.java:13: error: @BindView fields must not be private or static. (com.myproject.util.ConfirmationDialog.txtConfirmationDialogTitle)
e: 

e:     private android.widget.TextView txtConfirmationDialogTitle;
e:                                     ^
e: /Users/Downloads/myproject/app/build/tmp/kapt3/stubs/debug/com/myproject/util/ConfirmationDialog.java:16: error: @BindView fields must not be private or static. (com.myproject.util.ConfirmationDialog.txtConfirmationDialogMessage)
e: 

e:     private android.widget.TextView txtConfirmationDialogMessage;
e:                                     ^
e: /Users/Downloads/myproject/app/build/tmp/kapt3/stubs/debug/com/myproject/util/ConfirmationDialog.java:19: error: @BindView fields must not be private or static. (com.myproject.util.ConfirmationDialog.txtViewPositive)
e: 

e:     private android.widget.TextView txtViewPositive;
e:                                     ^
e: /Users/Downloads/myproject/app/build/tmp/kapt3/stubs/debug/com/myproject/util/ConfirmationDialog.java:22: error: @BindView fields must not be private or static. (com.pokkt.myproject.ConfirmationDialog.txtViewNegative)
e: 

e:     private android.widget.TextView txtViewNegative;
e:                                     ^
e: /Users/Downloads/myproject/app/build/tmp/kapt3/stubs/debug/com/myproject/util/ExitDialog.java:10: error: @BindView fields must not be private or static. (com.myproject.util.ExitDialog.txtViewPositive)
e: 

e:     private android.widget.TextView txtViewPositive;
e:                                     ^
e: /Users/Downloads/myproject/app/build/tmp/kapt3/stubs/debug/com/myproject/util/ExitDialog.java:13: error: @BindView fields must not be private or static. (com.myproject.util.ExitDialog.txtViewNegative)
e: 

e:     private android.widget.TextView txtViewNegative;
e:                                     ^
e: java.lang.IllegalStateException: failed to analyze: org.jetbrains.kotlin.kapt3.diagnostic.KaptError: Error while annotation processing
	at org.jetbrains.kotlin.analyzer.AnalysisResult.throwIfError(AnalysisResult.kt:57)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules(KotlinToJVMBytecodeCompiler.kt:144)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:167)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:55)
	at org.jetbrains.kotlin.cli.common.CLICompiler.exec(CLICompiler.java:182)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.execCompiler(CompileServiceImpl.kt:397)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.access$execCompiler(CompileServiceImpl.kt:99)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$2.invoke(CompileServiceImpl.kt:365)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$2.invoke(CompileServiceImpl.kt:99)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$2$$special$$inlined$withValidClientOrSessionProxy$lambda$1.invoke(CompileServiceImpl.kt:798)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$2$$special$$inlined$withValidClientOrSessionProxy$lambda$1.invoke(CompileServiceImpl.kt:99)
	at org.jetbrains.kotlin.daemon.common.DummyProfiler.withMeasure(PerfUtils.kt:137)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.checkedCompile(CompileServiceImpl.kt:825)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.access$checkedCompile(CompileServiceImpl.kt:99)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$2.invoke(CompileServiceImpl.kt:797)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$2.invoke(CompileServiceImpl.kt:99)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.ifAlive(CompileServiceImpl.kt:1004)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.ifAlive$default(CompileServiceImpl.kt:865)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.doCompile(CompileServiceImpl.kt:791)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.access$doCompile(CompileServiceImpl.kt:99)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1.invoke(CompileServiceImpl.kt:364)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1.invoke(CompileServiceImpl.kt:99)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.ifAlive(CompileServiceImpl.kt:1004)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.ifAlive$default(CompileServiceImpl.kt:865)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:336)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:346)
	at sun.rmi.transport.Transport$1.run(Transport.java:200)
	at sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.jetbrains.kotlin.kapt3.diagnostic.KaptError: Error while annotation processing
	at org.jetbrains.kotlin.kapt3.AnnotationProcessingKt.doAnnotationProcessing(annotationProcessing.kt:90)
	at org.jetbrains.kotlin.kapt3.AnnotationProcessingKt.doAnnotationProcessing$default(annotationProcessing.kt:42)
	at org.jetbrains.kotlin.kapt3.AbstractKapt3Extension.runAnnotationProcessing(Kapt3Extension.kt:205)
	at org.jetbrains.kotlin.kapt3.AbstractKapt3Extension.analysisCompleted(Kapt3Extension.kt:166)
	at org.jetbrains.kotlin.kapt3.ClasspathBasedKapt3Extension.analysisCompleted(Kapt3Extension.kt:82)
	at org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM$analyzeFilesWithJavaIntegration$2.invoke(TopDownAnalyzerFacadeForJVM.kt:89)
	at org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:99)
	at org.jetbrains.kotlin.resolve.jvm.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:76)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler$analyze$1.analyze(KotlinToJVMBytecodeCompiler.kt:365)
	at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:105)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:354)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules(KotlinToJVMBytecodeCompiler.kt:139)
	... 40 more


 FAILED
:app:buildInfoGeneratorDebug

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:kaptDebugKotlin'.
> Internal compiler error. See log for more details

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED in 32s

16 actionable tasks: 7 executed, 9 up-to-date

As in my log it clearly shows issues are with declaration of variables with butterknife. So I looked into this issue and was able to solve it.

On Mac :

> go to Android Studio > Preferences > Build, Execution, Deployment > Compiler

On Windows :

> go to File > Settings > > Build, Execution, Deployment > Compiler

Now, in the Command-line Options field , add following three flags :

--stacktrace --info --scan

like shown below

Now , open the Build window from the bottom of Android studio

Then, there is a button on the left side of the Build window:

press this button , you will see detailed logs with exact code that is preventing the project from compiling

1 - Check if kotlin version is same across project

Declare this in your project level gradle file

buildscript {
ext {
    kotlin_version = '1.5.10'
}

And make sure kotlin gradle plugin has the same version

classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

2 - Run build with parameters like --stacktrace --debug --info --scan one by one

Read the error carefully and check if it mentions any of your files

3 - Export logs from build and read them

Run this command

./gradlew build --stacktrace > logs.txt 2>logErrors.txt

4 - Inspect Code And Fix Any Problems You May Find

Go to Analyze -> Inspect Code in Android Studio

5 - Invalidate Caches , Clean & Rebuild Project

If this does not fix your problem , you might have a dependencies issue , check them carefully , make your 1 is satisfied with all dependencies

I changed my project to use Androidx, so I used the migration tool but some files(many files), didn't change automatically. I opened each file (activities, enums, fragments) and I found so many errors. I corrected them but the compile still show me incomprehensible errors. After looking for a solution I found this answer that someone said:

go to Analyze >> Inspect code

Whole Project:

It took some time and then showed me the result below:

As I corrected the errors I thought were important, I was running the build until the remaining errors were no longer affecting the build.

My Android Studio details

I had a similar problem. The problem was that I incorrectly wrote the properties of the model in the attributes of the view:

<TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@{ferm.coin.value}"/> 

This part was wrong:

@{ferm.coin.value}

When I wrote the correct property, the error was resolved.

I have found one solution to this problem.

Please follow below these steps:

1. Go to File->Settings->Compiler->add To --stacktrace --debug in Command-line-Options box and then apply & ok.

2. Rebuild a project.

3. Run a project.

I was suffering the same problem I solved it by checking build tab and switch to text mode. Check the console it will show the problems mine was removing a drawable without deleting the usage and deleting a class without deleting the usage also Text mode button

Please upgrade your kotlin version in your Gradle file to ext.kotlin_version = '1.5.10'

For me, updating the kotlin version to the latest in app level build.gradle file and then syncing the project worked.
So the gradle file looks like the following (at the time of writing the answer):

buildscript{
    ...
    ...
    dependency{
        classpath "com.android.tools..."
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.31"
    }
}

in my case I accidentally changed version="1.0" to xml version="1.0" in my XML file.

I only had to change it back.

if you have the same problem and the solutions above didn't work for you. open Gradle Console and scroll to Run with --debug option click it and it will show you more useful info about your error.

some notes:

this error doesn't appear directly after I make the change in XML it appear only after I change some java code. I think it has something to do with the instant run and build cash.

I want to add my solution to above, maybe it helps someone. When i create a field on a model via Room and do not generate getter/setter for the field. As a result project is not compiling and no clear errors.

This line work for me on mac or Linux.

./gradlew clean assembleDebug

I faced the similar problem in no reason, i think it was caused by IDE(android studio). I have tried all of above solutions but not worked. Finally, in my own situation, i solved this problem by the following actions:

• Close the current project and remove it from the list of projects in android studio ,and reopen it by Open an existing Android Studio project, then it may be worked. I hope that my experience will be useful for you.

I Had the same issue and finally discovered the reason. In my case it was a badly written Java method:

@FormUrlEncoded
@POST("register-user/")
Call<RegisterUserApiResponse> registerUser(
        @Field("email") String email,
        @Field("password") String password,            
        @Field("date") String birthDate,
);

Note the illegal comma after the "date" field. For some reason the compiler could not reveal this exact error, and came with the ':app:compileDebugKotlin'. > Compilation error thing.

upgraded Android Studio from 3.2.1 to 3.3 and the problem disappeared

in my case:: I was using kotlin extensions to access and bind my views, I had recently moved a view to another screen and forgot to remove its reference from the previous fragment that caused this error.

kotlin synthetic extensions are not compile time safe. I really loved this but apparently in big projects, if this happens again I'm surely going to get a heart attack.

run gradle assembleDebug --scan in Android studio Terminal, in my case I removed an element in XML and forgotten to remove it from code, but the compiler couldn't compile and show Error:Execution failed for task ':app:compileDebugKotlin'. > Compilation error. See log for more details to me.

I had the same error, and it was related to Kotlin and java files with the same name.

The issue appeared after I converted a java file to kotlin in one branch, and then merged my branches, but both files remained in the project.

The error didn't show the duplicated file name, but after adding

kapt.incremental.apt=false to "gradle.properties" as suggested by this article:

I had a same problem. To solve this problem just open your all files(recent working files) in Which you made the changes and check did you forget to delete some which should be deleted.

In my case the problem was with the Unreferenced code which I was using in one of my file and that code is present in that file which should not be present in that file because I was using an interface which I have deleted from my project but I forget to deleted from one of my file).

In my case, I attempted to upgrade play_servicesand firebase versions to 15.0. Going back to 11.4.2 fixed my issue...

My scenario:

old Kotlin dataclass:

data class AddHotelParams(val destination: Place?, val checkInDate: LocalDate,
                      val checkOutDate: LocalDate?): JsonObject

new Kotlin dataclass:

data class AddHotelParams(val destination: Place?, val checkInDate: LocalDate,
                      val checkOutDate: LocalDate?, val roundTrip: Boolean): JsonObject

The problem was that I forgot to change the object initialization in some parts of the code. I got a generic "compileInternalDebugKotlin" error instead of being told where I needed to change the initialization.

changing initialization to all parts of the code resolved the error.

In my case I forgot to add the return type to a function in my inherited class from RoomDatabase:

abstract class LocalDb : RoomDatabase() {
    abstract fun progressDao(): ProgressDao
}

The ProgressDao return type was missing.

Another possible recent solution is changing gradle version to:

classpath 'com.android.tools.build:gradle:3.0.0-rc2'

and updating build tool

In my case error was caused by this line

> @BindColor(R.color.colorAccent) var mColor: Int? = 0

Solved By

> @JvmField @BindColor(android.R.color.white) @ColorInt internal var mColor: Int = 0

Error in GradleConsole

:app:kaptDebugKotlin e: \app\build\tmp\kapt3\stubs\debug\MainFragment.java:23: error: @BindColor field type must be 'int' or 'ColorStateList'. (com.sample.MainFragment.mColor) e:

e: private java.lang.Integer mColor;

i was surprised to find that when i had a class that was closed it produced this vague error. changing it to a open class resolved the issue.

before:

 class DefaultSubscriber<T> : Observer<T> {//...
}

after:

open class DefaultSubscriber<T> : Observer<T> {//...
}

Below changes worked for me

I change distribution URL, located in gradle-wrapper.properties

distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip

And

dependencies {
    classpath 'com.android.tools.build:gradle:3.2.1'
    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

    // NOTE: Do not place your application dependencies here; they belong
    // in the individual module build.gradle files
  }

kotlin version 1.2.71

If you have Hilt in your app. Make sure you have annotated your module class with

@Module
@InstallIn(SingletonComponent::class)
class AppModule

I'm migrating an old personal project and this message appeared. I was using AS 4.2 stable and removing the compose buildFeature solved the issue.

If you are having this issue when you are trying to run the app for the first time on a Physical Device: Check you have enabled USB debugging in mobile settings(visible in Developer options). and also install via USB option. Later allow the permissions.

In my case, this worked:

flutter create .