更新AS及插件后打包Release版本报错org.gradle.api.tasks.TaskExecutionException

Hey there, let's work through this frustrating release build error you're hitting post-update. Since the error log isn't pointing to a specific code issue, here are practical, actionable steps to debug and resolve it:

• Clean, Rebuild, and Purge Caches
  Outdated caches are a common culprit after updates. Try this sequence:

  1. Go to Build > Clean Project
  2. Then Build > Rebuild Project
  3. Delete the .gradle folder in your project root, plus the build folders under each module
  4. Finally, sync your project with Gradle files

• Validate Gradle Plugin Compatibility
  Double-check your project-level build.gradle to ensure the plugin version matches your Android Studio release (3.1.2):

  dependencies {
      classpath 'com.android.tools.build:gradle:3.1.2' // This should align with your AS version
      // Other dependencies...
  }
  

  Gradle 4.4 is officially compatible with plugin 3.1.2, but re-syncing can still resolve hidden mismatches.

• Invalidate Caches and Restart
  This is a go-to fix for post-update glitches:
  Navigate to File > Invalidate Caches / Restart, then select Invalidate and Restart to clear all cached data that might be causing conflicts.

• Audit Release Build Configuration
  Your release build type might have hidden issues. Check your module-level build.gradle:

  android {
      buildTypes {
          release {
              minifyEnabled true // If using ProGuard/R8, temporarily disable this to test
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
              // Verify signing configs and other release-specific settings
          }
      }
  }
  

  If disabling minification fixes the error, your ProGuard rules likely need updates to work with the new plugin version.

• Verify JDK Setup
  Ensure Android Studio is using a compatible JDK:

  1. Go to File > Project Structure > SDK Location
  2. Check the JDK location—either confirm it's pointing to your OpenJDK 1.8.0_152, or try switching to Android Studio's embedded JDK (this often resolves compatibility quirks).

• Get Detailed Gradle Logs
  Since the current log is vague, run the release build with verbose logging to uncover the root cause:
  On Windows:

  gradlew assembleRelease --info
  

  Look for the nested exception under TaskExecutionException—this will tell you exactly which task is failing and why.

• Check for Library Conflicts
  Even "regular libraries" can have version conflicts after updates. Run this command to inspect your release dependencies:

  gradlew app:dependencies --configuration releaseCompileClasspath
  

  Scan for duplicate libraries or version mismatches that could break the release build.

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