升级Android Studio 4.1.1后出现:app:compileDebugJavaWithJavac执行失败问题

Hey there, sorry to hear you're stuck with this compilation error after upgrading to Android Studio 4.1.1. The core issue you're seeing is org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:compileDebugJavaWithJavac', and the stack trace points to a breakdown in Gradle's Java compilation task. Let's walk through some less common but effective fixes since you've already tried standard solutions:

1. Align Gradle Plugin Version with Android Studio 4.1.1 #

Android Studio 4.1.1 requires the Gradle Plugin 4.1.1 (or compatible minor versions) to work correctly. Check your project-level build.gradle file and ensure the plugin version is set properly:

buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.1.1" // Match this to your AS version
    }
}

Also, update your Gradle wrapper (gradle/wrapper/gradle-wrapper.properties) to use a compatible distribution—for plugin 4.1.1, Gradle 6.5 or newer works best:

distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip

2. Enforce JDK 11 for Compilation #

Android Studio 4.1.x shifted to JDK 11 as the default, but your project might still target an older JDK. Add these compileOptions to your app-level build.gradle to explicitly set JDK 11:

android {
    // ... existing config
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_11
        targetCompatibility JavaVersion.VERSION_11
    }
    // If you use Kotlin, add this too:
    kotlinOptions {
        jvmTarget = "11"
    }
}

3. Resolve Wearable Dependency Conflicts #

Looking at your dependencies, you're using androidx.wear:wear:1.0.0 alongside compileOnly 'com.google.android.wearable:wearable:2.6.0'—these might conflict with the newer Android Studio version. Try updating the androidx.wear dependency to a compatible version:

implementation 'androidx.wear:wear:1.1.0' // Updated version matching Wearable 2.6.0
compileOnly 'com.google.android.wearable:wearable:2.6.0'

If this is a companion app for Wear OS, also ensure you have the wearApp configuration:

android {
    // ...
    wearApp project(':wear') // Include if you have a separate Wear module
}

4. Perform a Deep Clean & Invalidate Caches (Thorough Version) #

Since basic fixes didn't work, let's do a full reset:

• Close Android Studio
• Delete the .gradle folder in your project root
• Delete the build folders in both your app module and project root
• Reopen Android Studio, go to File > Invalidate Caches... and select "Invalidate and Restart"

5. Uncover Hidden Compilation Errors #

The Gradle stack trace often hides the actual root cause (like a missing import or deprecated API). Run this terminal command in your project root to get detailed compilation logs:

./gradlew compileDebugJavaWithJavac --stacktrace -info

This will print raw output that might reveal specific failing classes or syntax issues the IDE isn't showing.

内容的提问来源于stack exchange，提问作者TotalBlankness