Issues loadin plugin after upgrading to gradle 7.4.2

My organization is finally upgrading from an old version of gradle (5.4.1) to something more current (7.4.2). While trying to convert one of my projects, I’m getting an error saying that gradle can’t resolve a plugin that I’ve been using (io.freefair.lombok). In my previous builds, I add the plugin version 3.6.6 and all worked fine. When I migrated to gradle 7.4.2 using Java 17, I got an error about a plugin that was loaded by the lombok plugin (findbugs). In an attempt to solve that problem, I decided to move to the most recent version of the lombok plugin. Now I get the following error:

* Exception is:
org.gradle.api.plugins.UnknownPluginException: Plugin [id: 'io.freefair.lombok', version: '6.6.3'] was not found in any of the following sources:

- Gradle Core Plugins (plugin is not in 'org.gradle' namespace)
- Plugin Repositories (could not resolve plugin artifact 'io.freefair.lombok:io.freefair.lombok.gradle.plugin:6.6.3')
  Searched in the following repositories:
    Gradle Central Plugin Repository
    maven(https://local_artifactory/artifactory/gradle-build-plugins)
    ivy(https://local_artifactory/artifactory)
	at org.gradle.plugin.use.internal.DefaultPluginRequestApplicator.resolveToFoundResult(DefaultPluginRequestApplicator.java:238)
	at org.gradle.plugin.use.internal.DefaultPluginRequestApplicator.lambda$resolvePluginRequests$3(DefaultPluginRequestApplicator.java:168)
	at org.gradle.util.internal.CollectionUtils.collect(CollectionUtils.java:207)
	at org.gradle.util.internal.CollectionUtils.collect(CollectionUtils.java:201)
	at org.gradle.plugin.use.internal.DefaultPluginRequestApplicator.resolvePluginRequests(DefaultPluginRequestApplicator.java:166)
	at org.gradle.plugin.use.internal.DefaultPluginRequestApplicator.applyPlugins(DefaultPluginRequestApplicator.java:101)
	at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:117)
	at org.gradle.configuration.BuildOperationScriptPlugin$1.run(BuildOperationScriptPlugin.java:65)
	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$2.execute(DefaultBuildOperationRunner.java:66)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:47)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:68)
	at org.gradle.configuration.BuildOperationScriptPlugin.lambda$apply$0(BuildOperationScriptPlugin.java:62)
	at org.gradle.configuration.internal.DefaultUserCodeApplicationContext.apply(DefaultUserCodeApplicationContext.java:44)
	at org.gradle.configuration.BuildOperationScriptPlugin.apply(BuildOperationScriptPlugin.java:62)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.lambda$applyToMutableState$0(DefaultProjectStateRegistry.java:360)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.fromMutableState(DefaultProjectStateRegistry.java:378)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.applyToMutableState(DefaultProjectStateRegistry.java:359)
	at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:42)
	at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:26)
	at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.evaluate(ConfigureActionsProjectEvaluator.java:35)
	at org.gradle.configuration.project.LifecycleProjectEvaluator$EvaluateProject.lambda$run$0(LifecycleProjectEvaluator.java:109)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.lambda$applyToMutableState$0(DefaultProjectStateRegistry.java:360)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.lambda$withProjectLock$2(DefaultProjectStateRegistry.java:408)
	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:270)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.withProjectLock(DefaultProjectStateRegistry.java:408)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.fromMutableState(DefaultProjectStateRegistry.java:389)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.applyToMutableState(DefaultProjectStateRegistry.java:359)
	at org.gradle.configuration.project.LifecycleProjectEvaluator$EvaluateProject.run(LifecycleProjectEvaluator.java:100)
	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$2.execute(DefaultBuildOperationRunner.java:66)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:47)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:68)
	at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:72)
	at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:760)
	at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:151)
	at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.ensureConfigured(DefaultProjectStateRegistry.java:328)
	at org.gradle.execution.TaskPathProjectEvaluator.configure(TaskPathProjectEvaluator.java:33)
	at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:49)
	at org.gradle.configuration.DefaultProjectsPreparer.prepareProjects(DefaultProjectsPreparer.java:50)
	at org.gradle.configuration.BuildTreePreparingProjectsPreparer.prepareProjects(BuildTreePreparingProjectsPreparer.java:64)
	at org.gradle.configuration.BuildOperationFiringProjectsPreparer$ConfigureBuild.run(BuildOperationFiringProjectsPreparer.java:52)
	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$2.execute(DefaultBuildOperationRunner.java:66)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:47)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:68)
	at org.gradle.configuration.BuildOperationFiringProjectsPreparer.prepareProjects(BuildOperationFiringProjectsPreparer.java:40)
	at org.gradle.initialization.VintageBuildModelController.lambda$prepareProjects$3(VintageBuildModelController.java:89)
	at org.gradle.internal.model.StateTransitionController.lambda$doTransition$12(StateTransitionController.java:227)
	at org.gradle.internal.model.StateTransitionController.doTransition(StateTransitionController.java:238)
	at org.gradle.internal.model.StateTransitionController.doTransition(StateTransitionController.java:226)
	at org.gradle.internal.model.StateTransitionController.lambda$transitionIfNotPreviously$10(StateTransitionController.java:201)
	at org.gradle.internal.work.DefaultSynchronizer.withLock(DefaultSynchronizer.java:34)
	at org.gradle.internal.model.StateTransitionController.transitionIfNotPreviously(StateTransitionController.java:197)
	at org.gradle.initialization.VintageBuildModelController.prepareProjects(VintageBuildModelController.java:89)
	at org.gradle.initialization.VintageBuildModelController.getConfiguredModel(VintageBuildModelController.java:64)
	at org.gradle.internal.build.DefaultBuildLifecycleController.lambda$withProjectsConfigured$1(DefaultBuildLifecycleController.java:121)
	at org.gradle.internal.model.StateTransitionController.lambda$notInState$4(StateTransitionController.java:143)
	at org.gradle.internal.work.DefaultSynchronizer.withLock(DefaultSynchronizer.java:44)
	at org.gradle.internal.model.StateTransitionController.notInState(StateTransitionController.java:139)
	at org.gradle.internal.build.DefaultBuildLifecycleController.withProjectsConfigured(DefaultBuildLifecycleController.java:121)
	at org.gradle.internal.build.DefaultBuildToolingModelController.locateBuilderForTarget(DefaultBuildToolingModelController.java:57)
	at org.gradle.internal.buildtree.DefaultBuildTreeModelCreator$DefaultBuildTreeModelController.lambda$locateBuilderForTarget$0(DefaultBuildTreeModelCreator.java:73)
	at org.gradle.internal.build.DefaultBuildLifecycleController.withToolingModels(DefaultBuildLifecycleController.java:178)
	at org.gradle.internal.build.AbstractBuildState.withToolingModels(AbstractBuildState.java:111)
	at org.gradle.internal.buildtree.DefaultBuildTreeModelCreator$DefaultBuildTreeModelController.locateBuilderForTarget(DefaultBuildTreeModelCreator.java:73)
	at org.gradle.internal.buildtree.DefaultBuildTreeModelCreator$DefaultBuildTreeModelController.locateBuilderForDefaultTarget(DefaultBuildTreeModelCreator.java:68)
	at org.gradle.tooling.internal.provider.runner.DefaultBuildController.getTarget(DefaultBuildController.java:157)
	at org.gradle.tooling.internal.provider.runner.DefaultBuildController.getModel(DefaultBuildController.java:101)
	at org.gradle.tooling.internal.consumer.connection.ParameterAwareBuildControllerAdapter.getModel(ParameterAwareBuildControllerAdapter.java:39)
	at org.gradle.tooling.internal.consumer.connection.UnparameterizedBuildController.getModel(UnparameterizedBuildController.java:113)
	at org.gradle.tooling.internal.consumer.connection.NestedActionAwareBuildControllerAdapter.getModel(NestedActionAwareBuildControllerAdapter.java:31)
	at org.gradle.tooling.internal.consumer.connection.UnparameterizedBuildController.findModel(UnparameterizedBuildController.java:97)
	at org.gradle.tooling.internal.consumer.connection.NestedActionAwareBuildControllerAdapter.findModel(NestedActionAwareBuildControllerAdapter.java:31)
	at org.gradle.tooling.internal.consumer.connection.UnparameterizedBuildController.findModel(UnparameterizedBuildController.java:81)
	at org.gradle.tooling.internal.consumer.connection.NestedActionAwareBuildControllerAdapter.findModel(NestedActionAwareBuildControllerAdapter.java:31)
	at org.gradle.tooling.internal.consumer.connection.UnparameterizedBuildController.findModel(UnparameterizedBuildController.java:66)
	at org.gradle.tooling.internal.consumer.connection.NestedActionAwareBuildControllerAdapter.findModel(NestedActionAwareBuildControllerAdapter.java:31)
	at org.jetbrains.plugins.gradle.model.ProjectImportAction.execute(ProjectImportAction.java:125)
	at org.jetbrains.plugins.gradle.model.ProjectImportAction.execute(ProjectImportAction.java:42)
	at org.gradle.tooling.internal.consumer.connection.InternalBuildActionAdapter.execute(InternalBuildActionAdapter.java:64)
	at org.gradle.tooling.internal.provider.runner.AbstractClientProvidedBuildActionRunner$ActionAdapter.runAction(AbstractClientProvidedBuildActionRunner.java:131)
	at org.gradle.tooling.internal.provider.runner.AbstractClientProvidedBuildActionRunner$ActionAdapter.beforeTasks(AbstractClientProvidedBuildActionRunner.java:99)
	at org.gradle.internal.buildtree.DefaultBuildTreeModelCreator.beforeTasks(DefaultBuildTreeModelCreator.java:52)
	at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.lambda$fromBuildModel$1(DefaultBuildTreeLifecycleController.java:75)
	at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.lambda$runBuild$4(DefaultBuildTreeLifecycleController.java:106)
	at org.gradle.internal.model.StateTransitionController.lambda$transition$6(StateTransitionController.java:166)
	at org.gradle.internal.model.StateTransitionController.doTransition(StateTransitionController.java:238)
	at org.gradle.internal.model.StateTransitionController.lambda$transition$7(StateTransitionController.java:166)
	at org.gradle.internal.work.DefaultSynchronizer.withLock(DefaultSynchronizer.java:44)
	at org.gradle.internal.model.StateTransitionController.transition(StateTransitionController.java:166)
	at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.runBuild(DefaultBuildTreeLifecycleController.java:103)
	at org.gradle.internal.buildtree.DefaultBuildTreeLifecycleController.fromBuildModel(DefaultBuildTreeLifecycleController.java:74)
	at org.gradle.tooling.internal.provider.runner.AbstractClientProvidedBuildActionRunner.runClientAction(AbstractClientProvidedBuildActionRunner.java:43)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedPhasedActionRunner.run(ClientProvidedPhasedActionRunner.java:53)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.internal.buildtree.ProblemReportingBuildActionRunner.run(ProblemReportingBuildActionRunner.java:49)
	at org.gradle.launcher.exec.BuildOutcomeReportingBuildActionRunner.run(BuildOutcomeReportingBuildActionRunner.java:69)
	at org.gradle.tooling.internal.provider.FileSystemWatchingBuildActionRunner.run(FileSystemWatchingBuildActionRunner.java:119)
	at org.gradle.launcher.exec.BuildCompletionNotifyingBuildActionRunner.run(BuildCompletionNotifyingBuildActionRunner.java:41)
	at org.gradle.launcher.exec.RootBuildLifecycleBuildActionExecutor.lambda$execute$0(RootBuildLifecycleBuildActionExecutor.java:40)
	at org.gradle.composite.internal.DefaultRootBuildState.run(DefaultRootBuildState.java:128)
	at org.gradle.launcher.exec.RootBuildLifecycleBuildActionExecutor.execute(RootBuildLifecycleBuildActionExecutor.java:40)
	at org.gradle.internal.buildtree.DefaultBuildTreeContext.execute(DefaultBuildTreeContext.java:40)
	at org.gradle.launcher.exec.BuildTreeLifecycleBuildActionExecutor.lambda$execute$0(BuildTreeLifecycleBuildActionExecutor.java:65)
	at org.gradle.internal.buildtree.BuildTreeState.run(BuildTreeState.java:53)
	at org.gradle.launcher.exec.BuildTreeLifecycleBuildActionExecutor.execute(BuildTreeLifecycleBuildActionExecutor.java:65)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionExecutor$3.call(RunAsBuildOperationBuildActionExecutor.java:61)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionExecutor$3.call(RunAsBuildOperationBuildActionExecutor.java:57)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
	at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionExecutor.execute(RunAsBuildOperationBuildActionExecutor.java:57)
	at org.gradle.launcher.exec.RunAsWorkerThreadBuildActionExecutor.lambda$execute$0(RunAsWorkerThreadBuildActionExecutor.java:36)
	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:270)
	at org.gradle.internal.work.DefaultWorkerLeaseService.runAsWorkerThread(DefaultWorkerLeaseService.java:119)
	at org.gradle.launcher.exec.RunAsWorkerThreadBuildActionExecutor.execute(RunAsWorkerThreadBuildActionExecutor.java:36)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecutor.execute(ContinuousBuildActionExecutor.java:103)
	at org.gradle.tooling.internal.provider.SubscribableBuildActionExecutor.execute(SubscribableBuildActionExecutor.java:64)
	at org.gradle.internal.session.DefaultBuildSessionContext.execute(DefaultBuildSessionContext.java:46)
	at org.gradle.tooling.internal.provider.BuildSessionLifecycleBuildActionExecuter$ActionImpl.apply(BuildSessionLifecycleBuildActionExecuter.java:100)
	at org.gradle.tooling.internal.provider.BuildSessionLifecycleBuildActionExecuter$ActionImpl.apply(BuildSessionLifecycleBuildActionExecuter.java:88)
	at org.gradle.internal.session.BuildSessionState.run(BuildSessionState.java:69)
	at org.gradle.tooling.internal.provider.BuildSessionLifecycleBuildActionExecuter.execute(BuildSessionLifecycleBuildActionExecuter.java:62)
	at org.gradle.tooling.internal.provider.BuildSessionLifecycleBuildActionExecuter.execute(BuildSessionLifecycleBuildActionExecuter.java:41)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:63)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:31)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:58)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:42)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:47)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:31)
	at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:65)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:39)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:29)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:35)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:78)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:75)
	at org.gradle.util.internal.Swapper.swap(Swapper.java:38)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:75)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:63)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:84)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
	at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:52)
	at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:297)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
	at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)

For some reason I don’t understand, it cannot find the plugin in the gradle plugin repository. I would not expect it to be found in the other two (maven and ivy) repos, but it should be resolvable by the gradle plugin repo.

I have the following definitions for the plugin repos in my settings.gradle file:

pluginManagement {

    def DEFAULT_REPO = 'https://local_artifactory/artifactory'

    repositories {

        gradlePluginPortal()

        maven {
            url System.getProperty('repo.artifactory.url', DEFAULT_REPO )+ '/gradle-build-plugins'
        }
        ivy {
            url System.getProperty('repo.artifactory.url', DEFAULT_REPO )
            patternLayout {
                artifact "dev/[organization]/[module]/[revision]/[type]s/[module]-[revision].[ext]"
                ivy "dev/[organization]/[module]/[revision]/[type]s/ivy-[revision].xml"
            }
        }
    }
}

And in my build.gradle I have:

plugins {
    id 'java'
    id 'maven-publish'
    id "io.freefair.lombok" version "6.6.3"
    id 'org.springframework.boot' version "2.1.5.RELEASE"
}

Any assistance or pointers to what I’m doing wrong would be appreciated…

Nothing looks particularly wrong there.
Maybe you have some proxy or virus scanner or firewall blocking access?
Does --info or --debug give more information?
Or can you provide a --scan?

So I changed the plugin repositories to only use the gradle plugin repo (ignoring my local Artifactory repos). My plugin configuration now looks like:

pluginManagement {

    def DEFAULT_REPO = 'https://local_artifactory/artifactory'

    repositories {

        gradlePluginPortal()

//        maven {
//            url System.getProperty('repo.artifactory.url', DEFAULT_REPO )+ '/gradle-build-plugins'
//        }
//        ivy {
//            url System.getProperty('repo.artifactory.url', DEFAULT_REPO )
//            patternLayout {
//                artifact "dev/[organization]/[module]/[revision]/[type]s/[module]-[revision].[ext]"
//                ivy "dev/[organization]/[module]/[revision]/[type]s/ivy-[revision].xml"
//            }
//        }
    }
}

Running the new build yields the same error I got before. When running it in debug mode, I get the following trace:

2023-03-02T12:36:39.960-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Download https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom' started
2023-03-02T12:36:39.960-0500 [DEBUG] [org.gradle.launcher.daemon.server.SynchronizedDispatchConnection] thread 222: dispatching BuildEvent[event=org.gradle.internal.build.event.types.DefaultOperationStartedProgressEvent@18a9a95]
2023-03-02T12:36:40.450-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Completing Build operation 'Download https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom'
2023-03-02T12:36:40.450-0500 [DEBUG] [org.gradle.launcher.daemon.server.SynchronizedDispatchConnection] thread 222: dispatching BuildEvent[event=org.gradle.internal.build.event.types.DefaultOperationFinishedProgressEvent@63150c2b]
2023-03-02T12:36:40.451-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Completing Build operation 'Resolve dependencies of detachedConfiguration1'
2023-03-02T12:36:40.451-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Completing Build operation 'Apply build file 'build.gradle' to root project 'conops''
2023-03-02T12:36:40.452-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Notify afterEvaluate listeners of :' started
2023-03-02T12:36:40.452-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Completing Build operation 'Notify afterEvaluate listeners of :'
2023-03-02T12:36:39.953-0500 [LIFECYCLE] [org.gradle.internal.logging.progress.ProgressLoggerFactory] 
2023-03-02T12:36:39.953-0500 [LIFECYCLE] [org.gradle.internal.logging.progress.ProgressLoggerFactory] > Configure project :
2023-03-02T12:36:39.953-0500 [DEBUG] [org.gradle.internal.resources.AbstractTrackedResourceLock] Daemon worker Thread 5: acquired lock on state of build :
2023-03-02T12:36:39.953-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Notify beforeEvaluate listeners of :' completed
2023-03-02T12:36:39.953-0500 [DEBUG] [org.gradle.model.internal.registry.DefaultModelRegistry] Project : - Transitioning model element '<root>' from state Registered to Created
2023-03-02T12:36:39.953-0500 [DEBUG] [org.gradle.model.internal.registry.DefaultModelRegistry] Project : - Transitioning model element '<root>' to state Discovered.
2023-03-02T12:36:39.953-0500 [DEBUG] [org.gradle.model.internal.registry.DefaultModelRegistry] Project : - Transitioning model element '<root>' to state Created.
2023-03-02T12:36:39.953-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :help' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :projects' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :tasks' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :properties' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :dependencyInsight' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :dependencies' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :buildEnvironment' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :components' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :model' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :dependentComponents' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :outgoingVariants' completed
2023-03-02T12:36:39.954-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Apply plugin org.gradle.help-tasks to root project 'conops'' completed
2023-03-02T12:36:39.955-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :javaToolchains' completed
2023-03-02T12:36:39.955-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :prepareKotlinBuildScriptModel' completed
2023-03-02T12:36:39.955-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :init' completed
2023-03-02T12:36:39.955-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Apply plugin org.gradle.build-init to root project 'conops'' completed
2023-03-02T12:36:39.955-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Register task :wrapper' completed
2023-03-02T12:36:39.955-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Apply plugin org.gradle.wrapper to root project 'conops'' completed
2023-03-02T12:36:39.955-0500 [INFO] [org.gradle.configuration.project.BuildScriptProcessor] Evaluating root project 'conops' using build file '/home/sdussin/NewIdeaProjects/conops_services/build.gradle'.
2023-03-02T12:36:39.956-0500 [DEBUG] [org.gradle.internal.locking.LockFileReaderWriter] Lockfiles root: /home/sdussin/NewIdeaProjects/conops_services/gradle/dependency-locks
2023-03-02T12:36:39.958-0500 [DEBUG] [org.gradle.api.internal.artifacts.ivyservice.resolveengine.DefaultArtifactDependencyResolver] Resolving configuration 'detachedConfiguration1'
2023-03-02T12:36:39.959-0500 [DEBUG] [org.gradle.api.internal.artifacts.ivyservice.modulecache.ResolvedArtifactCaches] Creating new in-memory cache for repo 'Gradle Central Plugin Repository' [671a8ecc284f9e9f4d35b614eb5de66e].
2023-03-02T12:36:39.959-0500 [DEBUG] [org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.builder.DependencyGraphBuilder] Visiting configuration unspecified:unspecified:unspecified(detachedConfiguration1).
2023-03-02T12:36:39.960-0500 [DEBUG] [org.gradle.api.internal.artifacts.ivyservice.ivyresolve.RepositoryChainComponentMetaDataResolver] Attempting to resolve component for io.freefair.lombok:io.freefair.lombok.gradle.plugin:6.6.3 using repositories [Gradle Central Plugin Repository]
2023-03-02T12:36:39.960-0500 [DEBUG] [org.gradle.api.internal.artifacts.repositories.resolver.DefaultExternalResourceArtifactResolver] Loading https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom
2023-03-02T12:36:39.960-0500 [DEBUG] [org.gradle.internal.resource.transfer.DefaultCacheAwareExternalResourceAccessor] Constructing external resource: https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom
2023-03-02T12:36:39.960-0500 [DEBUG] [org.gradle.internal.resource.transport.http.HttpResourceAccessor] Constructing external resource: https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom
2023-03-02T12:36:39.961-0500 [DEBUG] [org.gradle.internal.resource.transport.http.HttpClientHelper] Performing HTTP GET: https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom
2023-03-02T12:36:39.962-0500 [DEBUG] [org.apache.http.client.protocol.RequestAddCookies] CookieSpec selected: default
2023-03-02T12:36:39.962-0500 [DEBUG] [org.apache.http.client.protocol.RequestAuthCache] Auth cache not set in the context
2023-03-02T12:36:39.963-0500 [DEBUG] [org.apache.http.impl.conn.PoolingHttpClientConnectionManager] Connection request: [route: {tls}->http://10.0.2.2:8888->https://plugins.gradle.org:443][total available: 0; route allocated: 0 of 20; total allocated: 0 of 20]
2023-03-02T12:36:39.963-0500 [DEBUG] [org.apache.http.impl.conn.PoolingHttpClientConnectionManager] Connection leased: [id: 20][route: {tls}->http://10.0.2.2:8888->https://plugins.gradle.org:443][total available: 0; route allocated: 1 of 20; total allocated: 1 of 20]
2023-03-02T12:36:39.963-0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Opening connection {tls}->http://10.0.2.2:8888->https://plugins.gradle.org:443
2023-03-02T12:36:39.963-0500 [DEBUG] [org.apache.http.impl.conn.DefaultHttpClientConnectionOperator] Connecting to /10.0.2.2:8888
2023-03-02T12:36:39.970-0500 [DEBUG] [org.apache.http.impl.conn.DefaultHttpClientConnectionOperator] Connection established 10.0.2.15:57490<->10.0.2.2:8888
2023-03-02T12:36:40.271-0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Tunnel to target created.
2023-03-02T12:36:40.272-0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Enabled protocols: [TLSv1.2, TLSv1.3]
2023-03-02T12:36:40.272-0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Enabled cipher suites:[TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, TLS_RSA_WITH_AES_256_CBC_SHA256, TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, TLS_DHE_RSA_WITH_AES_256_CBC_SHA, TLS_DHE_DSS_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
2023-03-02T12:36:40.272-0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Starting handshake
2023-03-02T12:36:40.446-0500 [DEBUG] [org.apache.http.impl.conn.DefaultManagedHttpClientConnection] http-outgoing-20: Shutdown connection
2023-03-02T12:36:40.446-0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Connection discarded
2023-03-02T12:36:40.446-0500 [DEBUG] [org.apache.http.impl.conn.PoolingHttpClientConnectionManager] Connection released: [id: 20][route: {tls}->http://10.0.2.2:8888->https://plugins.gradle.org:443][total available: 0; route allocated: 0 of 20; total allocated: 0 of 20]
2023-03-02T12:36:40.450-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Download https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom' completed
2023-03-02T12:36:40.451-0500 [DEBUG] [org.gradle.api.internal.artifacts.ivyservice.resolveengine.oldresult.TransientConfigurationResultsBuilder] Flushing resolved configuration data in Binary store in /home/sdussin/.gradle/.tmp/gradle3420162717564917398.bin. Wrote root 2.
2023-03-02T12:36:40.451-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Resolve dependencies of detachedConfiguration1' completed
2023-03-02T12:36:40.451-0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Apply build file 'build.gradle' to root project 'conops'' completed

I had to cut down the size of the trace since the comment limit is 32K,

The 10.0.2.2 IP address above is my local proxy server. I can see the tunnel being created in the proxy console, so I’m pretty sure that a connection to the gradle plugin repo is happening.

The trace you sent just shows a successful download of https://plugins.gradle.org/m2/io/freefair/lombok/io.freefair.lombok.gradle.plugin/6.6.3/io.freefair.lombok.gradle.plugin-6.6.3.pom, so I’m not sure what you want to tell with that.