Skip to content

Groovy 5 support #14736

New issue
New issue
Closed
Feature
Closed
Groovy 5 support#14736
Feature
Labels
relates-to: groovyrelates-to:v8Grails 8
Milestone
grails:8.0.0-M3

Description

@matrei
matrei
opened on May 14, 2025

Issue description

This ticket will track issues with upgrading Grails to Groovy 5.

Compilation errors

Groovy 5 updated the Groovy shell

/home/runner/work/grails-core/grails-core/grails-console/src/main/groovy/grails/ui/shell/support/GroovyshApplicationContext.groovy: 21: unable to resolve class org.apache.groovy.groovysh.Groovysh
> Task :grails-console:compileGroovy
 @ line 21, column 8.
   import org.apache.groovy.groovysh.Groovysh
          ^

/home/runner/work/grails-core/grails-core/grails-console/src/main/groovy/grails/ui/shell/support/GroovyshWebApplicationContext.groovy: 23: unable to resolve class org.apache.groovy.groovysh.Groovysh
 @ line 23, column 8.
   import org.apache.groovy.groovysh.Groovysh
          ^

2 errors

Spock

Spock does not currently support Groovy 5

Activity

  1. matrei commented on May 15, 2025

    @matrei
    matrei
    on May 15, 2025
    ContributorAuthor

    Branch/PR for upgrading to Groovy 5 (when the time comes): #14737

  2. jdaugherty commented on Aug 22, 2025

    @jdaugherty
    jdaugherty
    on Aug 22, 2025
    Contributor

    Another error in the latest groovy snapshot:

    1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':grails-datastore-core:compileGroovy'.
> Unrecoverable compilation error: startup failed:
  General error during conversion: The interface Collection cannot be implemented more than once with different arguments: java.util.Collection<java.lang.Object> and java.util.Collection
  . At [30:1] 
  
  org.codehaus.groovy.syntax.RuntimeParserException: The interface Collection cannot be implemented more than once with different arguments: java.util.Collection<java.lang.Object> and java.util.Collection
  . At [30:1] 
        at org.codehaus.groovy.classgen.Verifier.checkForDuplicateInterfaces(Verifier.java:409)
        at org.codehaus.groovy.classgen.Verifier.visitClass(Verifier.java:235)
        at org.codehaus.groovy.tools.javac.JavaStubGenerator$1.visitClass(JavaStubGenerator.java:236)
        at org.codehaus.groovy.tools.javac.JavaStubGenerator.printClassContents(JavaStubGenerator.java:331)
        at org.codehaus.groovy.tools.javac.JavaStubGenerator.generateStubContent(JavaStubGenerator.java:204)
        at org.codehaus.groovy.tools.javac.JavaStubGenerator.generateFileStub(JavaStubGenerator.java:181)
        at org.codehaus.groovy.tools.javac.JavaStubGenerator.generateClass(JavaStubGenerator.java:161)
        at org.codehaus.groovy.tools.javac.JavaAwareCompilationUnit.lambda$new$2(JavaAwareCompilationUnit.java:111)
        at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:920)
        at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:666)
        at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:640)
        at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:621)
        at org.gradle.api.internal.tasks.compile.ApiGroovyCompiler.execute(ApiGroovyCompiler.java:285)
        at org.gradle.api.internal.tasks.compile.ApiGroovyCompiler.execute(ApiGroovyCompiler.java:67)
        at org.gradle.api.internal.tasks.compile.GroovyCompilerFactory$DaemonSideCompiler.execute(GroovyCompilerFactory.java:115)
        at org.gradle.api.internal.tasks.compile.GroovyCompilerFactory$DaemonSideCompiler.execute(GroovyCompilerFactory.java:99)
        at org.gradle.api.internal.tasks.compile.daemon.AbstractIsolatedCompilerWorkerExecutor$CompilerWorkAction.execute(AbstractIsolatedCompilerWorkerExecutor.java:78)
        at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:63)
        at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:54)
        at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:48)
        at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:100)
        at org.gradle.workers.internal.AbstractClassLoaderWorker.executeInClassLoader(AbstractClassLoaderWorker.java:48)
        at org.gradle.workers.internal.IsolatedClassloaderWorker.run(IsolatedClassloaderWorker.java:49)
        at org.gradle.workers.internal.IsolatedClassloaderWorker.run(IsolatedClassloaderWorker.java:30)
        at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:108)
        at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:77)
        at org.gradle.process.internal.worker.request.WorkerAction.lambda$run$1(WorkerAction.java:150)
        at org.gradle.process.internal.worker.child.WorkerLogEventListener.withWorkerLoggingProtocol(WorkerLogEventListener.java:41)
        at org.gradle.process.internal.worker.request.WorkerAction.lambda$run$2(WorkerAction.java:150)
        at org.gradle.internal.operations.CurrentBuildOperationRef.with(CurrentBuildOperationRef.java:85)
        at org.gradle.process.internal.worker.request.WorkerAction.run(WorkerAction.java:142)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:569)
        at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
        at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
        at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
        at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
        at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
        at org.gradle.internal.concurrent.AbstractManagedExecutor$1.run(AbstractManagedExecutor.java:48)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
  
  1 error

==============================================================================

  3. matrei commented on Aug 22, 2025

    @matrei
    matrei
    on Aug 22, 2025
    ContributorAuthor

    Another error in the latest groovy snapshot

    I have created a ticket in the Groovy bug tracker for this error.
    https://issues.apache.org/jira/browse/GROOVY-11736

  4. matrei commented on Sep 8, 2025

    @matrei
    matrei
    on Sep 8, 2025
    ContributorAuthor
    GPathResultMapSpec > Test nested elements FAILED
    groovy.lang.MissingFieldException: No such field: id for class: groovy.xml.slurpersupport.NodeChild
       at org.grails.databinding.xml.GPathResultMap.<init>(GPathResultMap.groovy:35)
       at org.grails.databinding.xml.GPathResultMapSpec.Test nested elements(GPathResultMapSpec.groovy:44)

    Discussion: https://lists.apache.org/thread/9qz4xsmw702tgt45f2y8xz5h8ftj4tyl

    This issue has been resolved in Groovy 5.0.1 🎉

  5. matrei commented on Sep 8, 2025

    @matrei
    matrei
    on Sep 8, 2025
    ContributorAuthor
    Execution failed for task ':grails-datamapping-core:compileGroovy'.
> BUG! exception in phase 'semantic analysis' in source unit '/home/mattias/Projects/grails/grails-core/grails-datamapping-> core/src/main/groovy/org/grails/datastore/gorm/GormEntity.groovy' ClassNode#getTypeClass for org.grails.datastore.gorm.GormEntityApi called before the type class is set

    This issue has been resolved in Groovy 5.0.1 🎉

  6. matrei commented on Sep 8, 2025

    @matrei
    matrei
    on Sep 8, 2025
    ContributorAuthor
    Execution failed for task ':grails-datastore-core:compileGroovy'.
> Unrecoverable compilation error: startup failed:
 General error during conversion: The interface Collection cannot be implemented more than once with different >arguments: java.util.Collection<java.lang.Object> and java.util.Collection
 . At [30:1] 
 
 org.codehaus.groovy.syntax.RuntimeParserException: The interface Collection cannot be implemented more than once with different arguments: java.util.Collection<java.lang.Object> and java.util.Collection

    This issue has been resolved in Groovy 5.0.1 🎉

  7. matrei commented on Sep 9, 2025

    @matrei
    matrei
    on Sep 9, 2025
    ContributorAuthor

    Error: java.lang.ClassCastException: class org.codehaus.groovy.ast.ClassNode cannot be cast to class org.codehaus.groovy.ast.InnerClassNode

    Build scan: https://ge.grails.org/s/qzyrkrxky2xeu

    FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':grails-datastore-core:compileTestGroovy'.
> BUG! exception in phase 'semantic analysis' in source unit '/home/mattias/Projects/grails-core/grails-datastore-core/src/test/groovy/org/grails/datastore/mapping/model/JpaMappingSyntaxTests.groovy' class org.codehaus.groovy.ast.ClassNode cannot be cast to class org.codehaus.groovy.ast.InnerClassNode (org.codehaus.groovy.ast.ClassNode and org.codehaus.groovy.ast.InnerClassNode are in unnamed module of loader org.gradle.internal.classloader.VisitableURLClassLoader @6cd5cc65)

* Try:
> Run with --info or --debug option to get more log output.
> Get more help at https://help.gradle.org.

* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':grails-datastore-core:compileTestGroovy'.
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.lambda$executeIfValid$1(ExecuteActionsTaskExecuter.java:130)
	at org.gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:293)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:128)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:116)
	at org.gradle.api.internal.tasks.execution.ProblemsTaskPathTrackingTaskExecuter.execute(ProblemsTaskPathTrackingTaskExecuter.java:41)
	at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46)
	at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:51)
	at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57)
	at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:74)
	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:210)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:205)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:67)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:60)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:167)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:60)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:54)
	at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52)
	at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:42)
	at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:331)
	at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:318)
	at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.lambda$execute$0(DefaultTaskExecutionGraph.java:314)
	at org.gradle.internal.operations.CurrentBuildOperationRef.with(CurrentBuildOperationRef.java:85)
	at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:314)
	at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:303)
	at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:459)
	at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:376)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
	at org.gradle.internal.concurrent.AbstractManagedExecutor$1.run(AbstractManagedExecutor.java:48)
Caused by: BUG! exception in phase 'semantic analysis' in source unit '/home/mattias/Projects/grails-core/grails-datastore-core/src/test/groovy/org/grails/datastore/mapping/model/JpaMappingSyntaxTests.groovy' class org.codehaus.groovy.ast.ClassNode cannot be cast to class org.codehaus.groovy.ast.InnerClassNode (org.codehaus.groovy.ast.ClassNode and org.codehaus.groovy.ast.InnerClassNode are in unnamed module of loader org.gradle.internal.classloader.VisitableURLClassLoader @6cd5cc65)
	at org.gradle.api.internal.tasks.compile.ApiGroovyCompiler.execute(ApiGroovyCompiler.java:285)
	at org.gradle.api.internal.tasks.compile.ApiGroovyCompiler.execute(ApiGroovyCompiler.java:67)
	at org.gradle.api.internal.tasks.compile.GroovyCompilerFactory$DaemonSideCompiler.execute(GroovyCompilerFactory.java:115)
	at org.gradle.api.internal.tasks.compile.GroovyCompilerFactory$DaemonSideCompiler.execute(GroovyCompilerFactory.java:99)
	at org.gradle.api.internal.tasks.compile.daemon.AbstractIsolatedCompilerWorkerExecutor$CompilerWorkAction.execute(AbstractIsolatedCompilerWorkerExecutor.java:78)
	at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:63)
	at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:54)
	at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:48)
	at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:100)
	at org.gradle.workers.internal.AbstractClassLoaderWorker.executeInClassLoader(AbstractClassLoaderWorker.java:48)
	at org.gradle.workers.internal.IsolatedClassloaderWorker.run(IsolatedClassloaderWorker.java:49)
	at org.gradle.workers.internal.IsolatedClassloaderWorker.run(IsolatedClassloaderWorker.java:30)
	at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:108)
	at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:77)
	at org.gradle.process.internal.worker.request.WorkerAction.lambda$run$1(WorkerAction.java:150)
	at org.gradle.process.internal.worker.child.WorkerLogEventListener.withWorkerLoggingProtocol(WorkerLogEventListener.java:41)
	at org.gradle.process.internal.worker.request.WorkerAction.lambda$run$2(WorkerAction.java:150)
	at org.gradle.internal.operations.CurrentBuildOperationRef.with(CurrentBuildOperationRef.java:85)
	at org.gradle.process.internal.worker.request.WorkerAction.run(WorkerAction.java:142)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
	at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
	at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
	at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
	at org.gradle.internal.concurrent.AbstractManagedExecutor$1.run(AbstractManagedExecutor.java:48)
Caused by: java.lang.ClassCastException: class org.codehaus.groovy.ast.ClassNode cannot be cast to class org.codehaus.groovy.ast.InnerClassNode (org.codehaus.groovy.ast.ClassNode and org.codehaus.groovy.ast.InnerClassNode are in unnamed module of loader org.gradle.internal.classloader.VisitableURLClassLoader @6cd5cc65)
	at org.grails.compiler.gorm.GormEntityTransformation.visit(GormEntityTransformation.groovy:163)
	at org.grails.compiler.gorm.JpaGormEntityTransformation.visit(JpaGormEntityTransformation.groovy:69)
	at org.grails.compiler.gorm.GlobalJpaEntityTransform.visitClass(GlobalJpaEntityTransform.groovy:65)
	at org.grails.compiler.gorm.GlobalJpaEntityTransform.visit(GlobalJpaEntityTransform.groovy:57)
	... 29 more

    Groovy ticket: https://issues.apache.org/jira/projects/GROOVY/issues/GROOVY-11754

    This issue has been resolved by 574b576 🎉

  8. matrei commented on Sep 13, 2025

    @matrei
    matrei
    on Sep 13, 2025
    ContributorAuthor

    Error: Can't have an abstract method in a non-abstract class

    But the method is actually implemented in the parent class.

    > Task :grails-core:compileGroovy
startup failed:
/home/mattias/Projects/grails/grails-core/grails-core/src/main/groovy/grails/boot/config/tools/ProfilingGrailsApplicationPostProcessor.groovy: 35: Can't have an abstract method in a non-abstract class. The class 'grails.boot.config.tools.ProfilingGrailsApplicationPostProcessor' must be declared abstract or the method 'void onApplicationEvent(E)' must be implemented.
 @ line 35, column 1.
   class ProfilingGrailsApplicationPostProcessor extends GrailsApplicationPostProcessor implements BeanPostProcessor {
   ^

1 error

    Groovy ticket: https://issues.apache.org/jira/browse/GROOVY-11753

    This issue has been resolved by apache/groovy#2292 🎉

  9. dauer commented on Dec 11, 2025

    @dauer
    dauer
    on Dec 11, 2025
    Contributor

    Spock 2.4 with support for Groovy 5 has been released 🎉

  10. jdaugherty
    added
    relates-to: groovy
    on Jan 20, 2026
  11. jdaugherty
    added the
    Feature
    issue type on Jan 20, 2026
  12. jdaugherty
    added this to Apache Grailson Jan 20, 2026
  13. jdaugherty
    added this to the grails:8.0.0-M1 milestone on Jan 20, 2026
  14. jamesfredley
    moved this to In Progress in Apache Grailson Feb 5, 2026
  15. jamesfredley
    added
    relates-to:v8Grails 8
    on Feb 5, 2026
  16. jdaugherty
    modified the milestones: grails:8.0.0-M1, grails:8.0.0-M3 on May 18, 2026

  17. jdaugherty commented on Jul 5, 2026

    @jdaugherty
    jdaugherty
    on Jul 5, 2026
    Contributor

    Fixed by #15557

  18. jdaugherty
    closed this as completedon Jul 5, 2026
  19. github-project-automation
    moved this from In Progress to Done in Apache Grailson Jul 5, 2026
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    relates-to: groovyrelates-to:v8Grails 8

    Type

    Feature

    Projects

    Milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions