Do not call getChildren(null). #8589
Description
Please file this bug report at https://github.com/flutter/flutter-intellij/issues/new.
What happened
I created a new flutter project via the New Project... dialog.
Platforms: Windows, MacOS, Linux, Android, iOS
Android language: Kotlin
Version information
IntelliJ IDEA 2025.2.3 • Flutter plugin io.flutter 88.0.0 • Dart plugin 252.25557.23
Flutter 3.35.6 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 9f455d2486 (13 days ago) • 2025-10-08 14:55:31 -0500
Engine • hash a5f2c36e367c13f868cfe98db5806f562c52c35e (revision d2913632a4) (14 days ago) • 2025-10-07 17:26:21.000Z
Tools • Dart 3.9.2 • DevTools 2.48.0
Exception
null
java.lang.Throwable: Do not call `getChildren(null)`. Do not expand action groups manually. Reuse `AnActionEvent.updateSession` by composing, wrapping, and postprocessing action groups. Otherwise, use `getChildActionsOrStubs()` or `getChildren(ActionManager)`
at com.intellij.openapi.diagnostic.Logger.error(Logger.java:375)
at com.intellij.openapi.actionSystem.DefaultActionGroup.reportGetChildrenForNullEvent(DefaultActionGroup.java:373)
at com.intellij.openapi.actionSystem.DefaultActionGroup.getChildren(DefaultActionGroup.java:367)
at com.intellij.ui.mac.touchbar.Customizer.fillAct2Parent(Customizer.java:41)
at com.intellij.ui.mac.touchbar.Customizer.prepare(Customizer.java:34)
at com.intellij.ui.mac.touchbar.TBPanelActionGroup._rebuildButtons(TBPanelActionGroup.java:194)
at com.intellij.ui.mac.touchbar.TBPanelActionGroup._applyPresentationChanges(TBPanelActionGroup.java:355)
at com.intellij.ui.mac.touchbar.TBPanelActionGroup.lambda$updateActionItems$5(TBPanelActionGroup.java:434)
at org.jetbrains.concurrency.AsyncPromise.onSuccess$lambda$4(AsyncPromise.kt:97)
at com.intellij.util.concurrency.ContextBiConsumer.lambda$accept$0(ContextBiConsumer.java:27)
at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167)
at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167)
at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:173)
at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:167)
at com.intellij.util.concurrency.ContextBiConsumer.accept(ContextBiConsumer.java:26)
at org.jetbrains.concurrency.AsyncPromise.whenComplete$lambda$7(AsyncPromise.kt:124)
at org.jetbrains.concurrency.AsyncPromise.whenComplete$lambda$8(AsyncPromise.kt:122)
at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:934)
at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:911)
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2179)
at org.jetbrains.concurrency.AsyncPromise.setResult(AsyncPromise.kt:202)
at org.jetbrains.concurrency.Promises__PromiseKt.asCancellablePromise$lambda$12$Promises__PromiseKt(promise.kt:264)
at org.jetbrains.concurrency.Promises__PromiseKt.asCancellablePromise$lambda$13$Promises__PromiseKt(promise.kt:262)
at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:934)
at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:911)
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2179)
at kotlinx.coroutines.future.FutureKt.asCompletableFuture$lambda$1(Future.kt:75)
at kotlinx.coroutines.InvokeOnCompletion.invoke(JobSupport.kt:1534)
at kotlinx.coroutines.JobSupport.notifyCompletion(JobSupport.kt:1625)
at kotlinx.coroutines.JobSupport.completeStateFinalization(JobSupport.kt:316)
at kotlinx.coroutines.JobSupport.finalizeFinishingState(JobSupport.kt:233)
at kotlinx.coroutines.JobSupport.tryMakeCompletingSlowPath(JobSupport.kt:946)
at kotlinx.coroutines.JobSupport.tryMakeCompleting(JobSupport.kt:894)
at kotlinx.coroutines.JobSupport.makeCompletingOnce$kotlinx_coroutines_core(JobSupport.kt:859)
at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:99)
at kotlinx.coroutines.debug.internal.DebugProbesImpl$CoroutineOwner.resumeWith(DebugProbesImpl.kt:545)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
at kotlinx.coroutines.UndispatchedCoroutine.afterResume(CoroutineContext.kt:277)
at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:101)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
at com.intellij.openapi.application.impl.EdtCoroutineDispatcher.wrapWithLocking$lambda$3$lambda$2(EdtCoroutineDispatcher.kt:71)
at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:106)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.doRunWriteIntentReadAction(NestedLocksThreadingSupport.kt:666)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runPreventiveWriteIntentReadAction(NestedLocksThreadingSupport.kt:640)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runWriteIntentReadAction(NestedLocksThreadingSupport.kt:633)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:1166)
at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
at com.intellij.openapi.application.impl.EdtCoroutineDispatcher.wrapWithLocking$lambda$3(EdtCoroutineDispatcher.kt:70)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:225)
at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:122)
at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:43)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:595)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:488)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10$lambda$9(IdeEventQueue.kt:313)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:865)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10(IdeEventQueue.kt:312)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:974)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:118)
at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:974)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12(IdeEventQueue.kt:307)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:347)
at com.intellij.ide.IdeEventQueue.pumpEventsForHierarchy(IdeEventQueue.kt:632)
at com.intellij.openapi.progress.util.ProgressWindow.lambda$startBlocking$4(ProgressWindow.java:230)
at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:106)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runUnlockingIntendedWrite(NestedLocksThreadingSupport.kt:698)
at com.intellij.openapi.application.impl.ApplicationImpl.runUnlockingIntendedWrite(ApplicationImpl.java:1028)
at com.intellij.openapi.progress.util.ProgressWindow.lambda$startBlocking$5(ProgressWindow.java:226)
at com.intellij.openapi.progress.util.ProgressWindow.executeInModalContext(ProgressWindow.java:207)
at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:224)
at com.intellij.openapi.progress.impl.ProgressRunner.lambda$execFromEDT$7(ProgressRunner.java:320)
at java.base/java.util.concurrent.CompletableFuture.uniAcceptNow(CompletableFuture.java:757)
at java.base/java.util.concurrent.CompletableFuture.uniAcceptStage(CompletableFuture.java:735)
at java.base/java.util.concurrent.CompletableFuture.thenAccept(CompletableFuture.java:2214)
at com.intellij.openapi.progress.impl.ProgressRunner.execFromEDT(ProgressRunner.java:317)
at com.intellij.openapi.progress.impl.ProgressRunner.submit(ProgressRunner.java:255)
at com.intellij.openapi.progress.impl.ProgressRunner.submitAndGet(ProgressRunner.java:196)
at com.intellij.openapi.application.impl.ApplicationImpl.runProcessWithProgressSynchronously(ApplicationImpl.java:522)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:599)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressSynchronously(ProgressManagerImpl.java:90)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:352)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:306)
at io.flutter.module.FlutterModuleBuilder.runFlutterCreateWithProgress(FlutterModuleBuilder.java:363)
at io.flutter.module.FlutterModuleBuilder.commitModule(FlutterModuleBuilder.java:124)
at com.intellij.ide.util.projectWizard.ModuleBuilder.commit(ModuleBuilder.java:347)
at com.intellij.ide.impl.NewProjectUtilKt$createProjectFromWizardImpl$5.invokeSuspend(NewProjectUtil.kt:226)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
at com.intellij.openapi.application.impl.EdtCoroutineDispatcher.wrapWithLocking$lambda$3$lambda$2(EdtCoroutineDispatcher.kt:71)
at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:106)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.doRunWriteIntentReadAction(NestedLocksThreadingSupport.kt:666)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runPreventiveWriteIntentReadAction(NestedLocksThreadingSupport.kt:640)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runWriteIntentReadAction(NestedLocksThreadingSupport.kt:633)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:1166)
at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
at com.intellij.openapi.application.impl.EdtCoroutineDispatcher.wrapWithLocking$lambda$3(EdtCoroutineDispatcher.kt:70)
at com.intellij.openapi.application.impl.DispatchedRunnable.run(DispatchedRunnable.kt:42)
at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:240)
at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:26)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:222)
at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:122)
at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:43)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:595)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:488)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10$lambda$9(IdeEventQueue.kt:313)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:865)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10(IdeEventQueue.kt:312)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:974)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:110)
at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:974)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12(IdeEventQueue.kt:307)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:347)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)
Flutter log
2025-10-21 23:36:40 io.flutter.sdk.FlutterCommand [INFORMATION] flutter [--no-color, create, --template, app, --description, Test Server & Configuration, --org, at.Kili2108, --platforms, android,ios,linux,macos,windows, --project-name, test_server, Test]
2025-10-21 23:36:47 io.flutter.jxbrowser.JxBrowserManager [INFORMATION] test_server: Installing JxBrowser
2025-10-21 23:36:47 io.flutter.FlutterInitializer [INFORMATION] Executing Flutter plugin startup for project: test_server
2025-10-21 23:36:47 io.flutter.FlutterInitializer [INFORMATION] Flutter module has been found for project: test_server