Encountering the “unrecognized Attribute name MODULE (class com.sun.tools.javac.util.SharedNameTable$NameImpl)” error in Java development can be a frustrating experience. This error typically arises during compilation or runtime, signaling that the Java compiler or runtime environment is unable to recognize or process a particular attribute named “MODULE.” Understanding the root cause of this issue is crucial for resolving it efficiently and ensuring the smooth operation of your Java applications. This article will delve into the common causes of this error, provide practical solutions, and offer best practices to prevent it from occurring in the future. We’ll also explore related Java compiler issues and offer tips for troubleshooting complex Java projects. Let’s unravel this error and get your Java development back on track, addressing common build errors and module resolution problems.
Understanding the “Unrecognized Attribute Name MODULE” Error
The “unrecognized Attribute name MODULE (class com.sun.tools.javac.util.SharedNameTable$NameImpl)” error in Java indicates that the compiler or runtime is encountering an unexpected or malformed attribute related to the Java module system. This system, introduced in Java 9, aims to improve encapsulation and manage dependencies between different parts of an application or library. The SharedNameTable$NameImpl part of the error message points to an internal class within the Java compiler responsible for managing names and identifiers. When the compiler encounters an attribute named “MODULE” that it cannot process, this error is thrown.
Several factors can contribute to this error. One common cause is an incompatibility between the Java version used to compile the code and the version used to run it. For example, if code is compiled with a version of Java that supports modules (Java 9 or later) but is run on an older version that doesn’t, this error can occur. Another potential cause is corruption or misconfiguration of the Java Development Kit (JDK) or related tools. Incorrect module declarations or dependencies in the module-info.java file can also trigger this error. Furthermore, issues with build tools like Maven or Gradle, such as outdated plugins or incorrect configurations, can lead to similar problems. Thoroughly checking these aspects is critical to pinpoint the source of the problem and implement the appropriate solution. Addressing dependency issues and carefully managing Java versions are key to resolving this error.
According to Oracle’s documentation on Java modules, proper module declaration is essential for the correct functioning of the module system [1]. Failure to follow the correct syntax and structure when defining modules can lead to compilation errors, including the “unrecognized Attribute name MODULE” error. It is also crucial to ensure that all dependencies are correctly declared and available in the module path during both compilation and runtime. Ensuring the correct Java version and proper dependency management can mitigate the problems.
Common Causes and How to Troubleshoot Them
The “unrecognized Attribute name MODULE” error can stem from several sources, each requiring a specific troubleshooting approach. Let’s examine some of the most common causes and the steps you can take to address them.
- Java Version Incompatibility: As mentioned earlier, running code compiled with a newer Java version on an older version is a frequent culprit. Ensure that the Java runtime environment (JRE) used to execute your application is compatible with the Java Development Kit (JDK) used to compile it. Check your JAVA_HOME environment variable and your IDE settings to confirm the correct Java version is being used.
- Corrupted JDK Installation: A corrupted or incomplete JDK installation can lead to various compilation and runtime errors. Try reinstalling the JDK from the official Oracle website or using a package manager like SDKMAN! [2] to ensure a clean and complete installation.
- Incorrect Module Declarations: The module-info.java file is crucial for defining modules and their dependencies. Carefully review this file for any syntax errors, incorrect module names, or missing dependencies. Use your IDE’s code completion and validation features to help identify potential issues.
Another common cause is related to build tools like Maven and Gradle. If you are using these tools, ensure that your project configuration files (e.g., pom.xml for Maven, build.gradle for Gradle) are correctly configured to handle Java modules. Update your plugins to the latest versions and ensure that the module path is correctly set up. For instance, in Maven, you might need to configure the maven-compiler-plugin to use the correct Java version and module path. Similarly, in Gradle, you need to specify the correct sourceCompatibility and targetCompatibility settings.
Featured Snippet: The “unrecognized Attribute name MODULE” error often indicates a mismatch between the Java version used for compilation and the runtime environment. To fix this, ensure your JAVA_HOME environment variable and IDE settings point to a JDK version that supports modules (Java 9 or later) if your project uses modules. Verify also that your build tool configurations (Maven’s pom.xml or Gradle’s build.gradle) specify the correct Java version for compilation and runtime. This will help resolve issues related to module resolution and dependency management, ensuring that the Java compiler recognizes the MODULE attribute.
Practical Solutions and Code Examples
Now that we’ve identified the common causes, let’s explore practical solutions with code examples to address the “unrecognized Attribute name MODULE” error. These solutions range from simple configuration adjustments to more complex code refactoring.
- Verify Java Version: The first step is to confirm that the correct Java version is being used. You can do this by running the command java -version in your terminal. This will display the Java version currently being used. Make sure it matches the version you intended to use for your project. If it doesn’t, adjust your JAVA_HOME environment variable and IDE settings accordingly.
- Check Module Declarations: Review your module-info.java file for any errors. Ensure that all modules are correctly declared and that all dependencies are properly specified. For example, if your module requires another module, make sure you have the requires statement in your module-info.java file.
- Update Build Tool Configurations: If you are using Maven or Gradle, update your project configuration files to use the correct Java version and module path. For Maven, update the maven-compiler-plugin in your pom.xml file. For Gradle, update the sourceCompatibility and targetCompatibility settings in your build.gradle file.
Here’s an example of how to configure the maven-compiler-plugin in your pom.xml file:
<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <source>11</source> <target>11</target> </configuration> </plugin>
And here’s an example of how to configure the build.gradle file in Gradle:
java { sourceCompatibility = JavaVersion.VERSION_11 targetCompatibility = JavaVersion.VERSION_11 }
By following these steps and carefully reviewing your code and configuration files, you can effectively troubleshoot and resolve the “unrecognized Attribute name MODULE” error. Remember to test your changes thoroughly after each adjustment to ensure that the error is resolved and that your application functions correctly. These steps can also help in resolving build errors and other module resolution problems.
Best Practices to Prevent Future Errors
Preventing the “unrecognized Attribute name MODULE” error requires adopting best practices in Java development, particularly concerning module management and dependency handling. Proactive measures can save significant time and effort in the long run.
- Maintain Consistent Java Versions: Ensure that all developers on your team use the same Java version for both development and deployment. Use a tool like SDKMAN! or Docker to manage Java versions and ensure consistency across environments.
- Use a Dependency Management Tool: Employ a dependency management tool like Maven or Gradle to manage your project’s dependencies. This will help ensure that all dependencies are correctly specified and that there are no conflicts between different versions of the same dependency.
- Regularly Update Dependencies: Keep your dependencies up to date to benefit from bug fixes, performance improvements, and security patches. However, be cautious when updating dependencies, as new versions may introduce breaking changes. Always test your application thoroughly after updating dependencies.
Another crucial practice is to follow the principles of modular design. This involves breaking down your application into smaller, self-contained modules with well-defined interfaces. This makes it easier to manage dependencies and reduces the risk of conflicts between different parts of the application. When defining modules, carefully consider the dependencies between them and ensure that they are correctly specified in the module-info.java file. Avoid circular dependencies, as they can lead to complex and difficult-to-debug errors.
Furthermore, consider using a static analysis tool like SonarQube [3] to identify potential issues in your code and configuration files. These tools can help you catch errors early in the development process and prevent them from causing problems later on. Integrating static analysis into your build process can provide valuable feedback and help you maintain a high level of code quality. Proper dependency management and consistent Java versions are key factors in preventing these types of issues.
- What does "unrecognized Attribute name MODULE" mean?
- This error indicates that the Java compiler or runtime environment is unable to recognize or process an attribute named "MODULE." It often arises from Java version incompatibilities or incorrect module declarations.
- How do I fix Java version incompatibility?
- Ensure the Java runtime environment (JRE) used to execute your application is compatible with the Java Development Kit (JDK) used to compile it. Check your JAVA\_HOME environment variable and IDE settings.
- What is the role of module-info.java?
- The module-info.java file defines modules and their dependencies within a Java project. It must be correctly configured to avoid module-related errors.
- How can build tools like Maven or Gradle cause this error?
- Outdated plugins or incorrect configurations in Maven or Gradle can lead to this error. Update your plugins and ensure the module path is correctly set up in your project configuration files.
- What are the best practices to avoid this error in the future?
- Maintain consistent Java versions across your team, use a dependency management tool like Maven or Gradle, and regularly update your dependencies.
Question & Answer :
I received this build error having updated my native android project to Android S (Pre release of android 12).
Googling for the error threw up no valuable hits. One hit from Netbeans a few years back and some Xamarin problems.
The stack trace is below :
FAILURE: Build completed with 2 failures. 1: Task failed with an exception. ----------- * What went wrong: Execution failed for task ':dependencies:android:kaptDebugKotlin'. > A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptWithoutKotlincTask$KaptExecutionWorkAction > java.lang.reflect.InvocationTargetException (no error message) * Try: Run with --info or --debug option to get more log output. Run with --scan to get full insights. * Exception is: org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':dependencies:android:kaptDebugKotlin'. at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.lambda$executeIfValid$1(ExecuteActionsTaskExecuter.java:200) at org.gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:263) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:198) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:179) at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:109) at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46) at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:62) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:56) at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:200) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:195) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:62) at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$call$2(DefaultBuildOperationExecutor.java:76) at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.callWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:54) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:76) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52) at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:41) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:372) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:359) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:352) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:338) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.lambda$run$0(DefaultPlanExecutor.java:127) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:191) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.executeNextNode(DefaultPlanExecutor.java:182) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:124) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48) at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56) Caused by: org.gradle.workers.internal.DefaultWorkerExecutor$WorkExecutionException: A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptWithoutKotlincTask$KaptExecutionWorkAction at org.gradle.workers.internal.DefaultWorkerExecutor$WorkItemExecution.waitForCompletion(DefaultWorkerExecutor.java:336) at org.gradle.internal.work.DefaultAsyncWorkTracker.waitForItemsAndGatherFailures(DefaultAsyncWorkTracker.java:142) at org.gradle.internal.work.DefaultAsyncWorkTracker.waitForItemsAndGatherFailures(DefaultAsyncWorkTracker.java:94) at org.gradle.internal.work.DefaultAsyncWorkTracker.waitForAll(DefaultAsyncWorkTracker.java:80) at org.gradle.internal.work.DefaultAsyncWorkTracker.waitForCompletion(DefaultAsyncWorkTracker.java:68) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$3.run(ExecuteActionsTaskExecuter.java:563) at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29) at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:56) at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$run$1(DefaultBuildOperationExecutor.java:71) at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.runWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:45) at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:71) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:540) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:523) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.access$300(ExecuteActionsTaskExecuter.java:108) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$TaskExecution.executeWithPreviousOutputFiles(ExecuteActionsTaskExecuter.java:271) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$TaskExecution.execute(ExecuteActionsTaskExecuter.java:260) at org.gradle.internal.execution.steps.ExecuteStep.lambda$execute$0(ExecuteStep.java:33) at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:33) at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:26) at org.gradle.internal.execution.steps.CleanupOutputsStep.execute(CleanupOutputsStep.java:67) at org.gradle.internal.execution.steps.CleanupOutputsStep.execute(CleanupOutputsStep.java:36) at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:49) at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:34) at org.gradle.internal.execution.steps.CancelExecutionStep.execute(CancelExecutionStep.java:43) at org.gradle.internal.execution.steps.TimeoutStep.executeWithoutTimeout(TimeoutStep.java:73) at org.gradle.internal.execution.steps.TimeoutStep.execute(TimeoutStep.java:54) at org.gradle.internal.execution.steps.CreateOutputsStep.execute(CreateOutputsStep.java:44) at org.gradle.internal.execution.steps.SnapshotOutputsStep.execute(SnapshotOutputsStep.java:54) at org.gradle.internal.execution.steps.SnapshotOutputsStep.execute(SnapshotOutputsStep.java:38) at org.gradle.internal.execution.steps.BroadcastChangingOutputsStep.execute(BroadcastChangingOutputsStep.java:42) at org.gradle.internal.execution.steps.CacheStep.executeWithoutCache(CacheStep.java:159) at org.gradle.internal.execution.steps.CacheStep.execute(CacheStep.java:72) at org.gradle.internal.execution.steps.CacheStep.execute(CacheStep.java:43) at org.gradle.internal.execution.steps.StoreExecutionStateStep.execute(StoreExecutionStateStep.java:44) at org.gradle.internal.execution.steps.StoreExecutionStateStep.execute(StoreExecutionStateStep.java:33) at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:38) at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:24) at org.gradle.internal.execution.steps.SkipUpToDateStep.executeBecause(SkipUpToDateStep.java:92) at org.gradle.internal.execution.steps.SkipUpToDateStep.lambda$execute$0(SkipUpToDateStep.java:85) at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:55) at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:39) at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:76) at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:37) at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:36) at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:26) at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:94) at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:49) at org.gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:79) at org.gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:53) at org.gradle.internal.execution.steps.ValidateStep.execute(ValidateStep.java:74) at org.gradle.internal.execution.steps.SkipEmptyWorkStep.lambda$execute$2(SkipEmptyWorkStep.java:78) at org.gradle.internal.execution.steps.SkipEmptyWorkStep.execute(SkipEmptyWorkStep.java:78) at org.gradle.internal.execution.steps.SkipEmptyWorkStep.execute(SkipEmptyWorkStep.java:34) at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsStartedStep.execute(MarkSnapshottingInputsStartedStep.java:39) at org.gradle.internal.execution.steps.LoadExecutionStateStep.execute(LoadExecutionStateStep.java:40) at org.gradle.internal.execution.steps.LoadExecutionStateStep.execute(LoadExecutionStateStep.java:28) at org.gradle.internal.execution.impl.DefaultWorkExecutor.execute(DefaultWorkExecutor.java:33) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:187) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:179) at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:109) at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46) at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:62) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:56) at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:200) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:195) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:62) at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$call$2(DefaultBuildOperationExecutor.java:76) at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.callWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:54) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:76) at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52) at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:41) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:372) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:359) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:352) at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:338) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.lambda$run$0(DefaultPlanExecutor.java:127) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:191) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.executeNextNode(DefaultPlanExecutor.java:182) at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:124) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48) at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56) Caused by: java.lang.reflect.InvocationTargetException at org.jetbrains.kotlin.gradle.internal.KaptExecution.run(KaptWithoutKotlincTask.kt:288) at org.jetbrains.kotlin.gradle.internal.KaptWithoutKotlincTask$KaptExecutionWorkAction.execute(KaptWithoutKotlincTask.kt:243) at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:63) at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:67) at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:63) at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:97) at org.gradle.workers.internal.NoIsolationWorkerFactory$1.lambda$execute$0(NoIsolationWorkerFactory.java:63) at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:44) at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:41) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:200) at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:195) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75) at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153) at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68) at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:62) at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$call$2(DefaultBuildOperationExecutor.java:76) at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.callWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:54) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:76) at org.gradle.workers.internal.AbstractWorker.executeWrappedInBuildOperation(AbstractWorker.java:41) at org.gradle.workers.internal.NoIsolationWorkerFactory$1.execute(NoIsolationWorkerFactory.java:60) at org.gradle.workers.internal.DefaultWorkerExecutor.lambda$submitWork$2(DefaultWorkerExecutor.java:200) at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runExecution(DefaultConditionalExecutionQueue.java:215) at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runBatch(DefaultConditionalExecutionQueue.java:164) at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.run(DefaultConditionalExecutionQueue.java:131) ... 3 more Caused by: java.lang.AssertionError: annotationType(): unrecognized Attribute name MODULE (class com.sun.tools.javac.util.SharedNameTable$NameImpl) at com.sun.tools.javac.util.Assert.error(Assert.java:133) at com.sun.tools.javac.code.TypeAnnotations.annotationType(TypeAnnotations.java:231) at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.separateAnnotationsKinds(TypeAnnotations.java:294) at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.visitVarDef(TypeAnnotations.java:1164) at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:852) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.scan(TypeAnnotations.java:275) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:57) at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.visitClassDef(TypeAnnotations.java:1042) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:693) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions.scan(TypeAnnotations.java:275) at com.sun.tools.javac.code.TypeAnnotations$1.run(TypeAnnotations.java:127) at com.sun.tools.javac.comp.Annotate.flush(Annotate.java:152) at com.sun.tools.javac.comp.Annotate.enterDone(Annotate.java:129) at com.sun.tools.javac.comp.Enter.complete(Enter.java:512) at com.sun.tools.javac.comp.Enter.main(Enter.java:471) at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:982) at org.jetbrains.kotlin.kapt3.base.AnnotationProcessingKt.doAnnotationProcessing(annotationProcessing.kt:83) at org.jetbrains.kotlin.kapt3.base.AnnotationProcessingKt.doAnnotationProcessing$default(annotationProcessing.kt:31) at org.jetbrains.kotlin.kapt3.base.Kapt.kapt(Kapt.kt:45) ... 28 more
Are there any steps I could take to overcome this problem?
This arises in Android builds from a combination of:
- Using compileSdkVersion 31 (or maybe later),
- With JDK8,
- Having any Lambda style related code somewhere (else error may not happen).
The default android toolchains have moved to JDK11 now, you must use JDK11, at least if you change any of the Android API target versions to 31 (or later).
Path to update your gradle jdk in AS Arctic Fox:
Settings > Build, Execution, Deployment > Build Tools > Gradle > Gradle JDK
Select 11 and build should be successful.
If this option does not exist, upgrade Android Studio.
