Another Rider exception

NCrunch 5.21.0.2, Rider 2025.3.1.

Not sure when this happened.

Unhandled exception in Dispatchers.Main, interactive mode: false

com.intellij.util.IncorrectOperationException: Sorry but parent: EditorReference-ec0dcfff-c778-4e51-8661-0302f05b70b9 (class com.intellij.openapi.util.Disposer$2) has already been disposed (see the cause for stacktrace) so the child: com.intellij.util.SingleAlarm@5cac29c6 (class com.intellij.util.SingleAlarm) will never be disposed
at com.intellij.openapi.util.ObjectTree.register(ObjectTree.java:43)
at com.intellij.openapi.util.Disposer.register(Disposer.java:162)
at com.intellij.util.SingleAlarm.<init>(SingleAlarm.kt:175)
at com.intellij.util.SingleAlarm.<init>(SingleAlarm.kt:154)
at com.intellij.util.SingleAlarm.<init>(SingleAlarm.kt:113)
at com.remco.software.ncrunch.editor.EditorReference.requestEditorRefresh$lambda$27(EditorReference.kt:609)
at com.remco.software.ncrunch.editor.EditorReference.requestEditorRefresh$lambda$28(EditorReference.kt:608)
at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708)
at com.remco.software.ncrunch.editor.EditorReference.requestEditorRefresh(EditorReference.kt:608)
at com.remco.software.ncrunch.editor.EditorReference.access$requestEditorRefresh(EditorReference.kt:62)
at com.remco.software.ncrunch.editor.EditorReference$registerTextEditor$2$1.invokeSuspend(EditorReference.kt:154)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:34)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:224)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent$lambda$4(NonBlockingFlushQueue.kt:358)
at com.intellij.concurrency.ThreadContext.resetThreadContext(threadContext.kt:294)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent(NonBlockingFlushQueue.kt:357)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.flushNow(NonBlockingFlushQueue.kt:305)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.FLUSH_NOW$lambda$0(NonBlockingFlushQueue.kt:167)
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:664)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:517)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$0$0$0(IdeEventQueue.kt:333)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:1065)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:117)
at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1065)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$0(IdeEventQueue.kt:331)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:371)
at com.intellij.openapi.progress.impl.PlatformTaskSupportKt.pumpEventsForHierarchy(PlatformTaskSupport.kt:717)
at com.intellij.openapi.progress.impl.PlatformTaskSupportKt.pumpEventsForHierarchy$lambda$0(PlatformTaskSupport.kt:725)
at com.intellij.concurrency.ThreadContext.resetThreadContext(threadContext.kt:294)
at com.intellij.openapi.progress.impl.PlatformTaskSupportKt.pumpEventsForHierarchy(PlatformTaskSupport.kt:724)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImplKt$waitBlockingAndPumpEdt$1.invokeSuspend(FileEditorManagerImpl.kt:2530)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:34)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:112)
at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$BuildersKt__BuildersKt(Builders.kt:85)
at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:53)
at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImplKt.waitBlockingAndPumpEdt(FileEditorManagerImpl.kt:2524)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImplKt.blockingWaitForCompositeFileOpen(FileEditorManagerImpl.kt:2515)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl.openFileImpl$lambda$2(FileEditorManagerImpl.kt:1176)
at com.intellij.openapi.application.WriteIntentReadAction.lambda$compute$2(WriteIntentReadAction.java:46)
at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:126)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.doRunWriteIntentReadAction(NestedLocksThreadingSupport.kt:737)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runPreventiveWriteIntentReadAction(NestedLocksThreadingSupport.kt:711)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runWriteIntentReadAction(NestedLocksThreadingSupport.kt:665)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:1185)
at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:45)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl.openFileImpl(FileEditorManagerImpl.kt:1172)
at com.intellij.openapi.fileEditor.impl.FileEditorManagerImpl.openFile(FileEditorManagerImpl.kt:913)
at com.intellij.openapi.fileEditor.ex.FileEditorManagerEx.openFile(FileEditorManagerEx.kt:135)
at com.jetbrains.rider.projectView.utils.NavigationUtilKt.navigate(NavigationUtil.kt:38)
at com.jetbrains.rider.projectView.views.SolutionViewNode.navigate(SolutionViewNode.kt:47)
at com.jetbrains.rider.projectView.views.solutionExplorer.nodes.SolutionExplorerModelNode.f(SolutionExplorerModelNode.kt:303)
at com.jetbrains.rider.projectView.RiderOpenFileDescriptorKt.withProjectModelId(RiderOpenFileDescriptor.kt:69)
at com.jetbrains.rider.projectView.views.solutionExplorer.nodes.SolutionExplorerModelNode.navigate(SolutionExplorerModelNode.kt:302)
at com.intellij.platform.ide.navigation.impl.IdeNavigationServiceExecutor$navigate$2.invokeSuspend$lambda$0(IdeNavigationServiceExecutor.kt:27)
at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:126)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.doRunWriteIntentReadAction(NestedLocksThreadingSupport.kt:737)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runPreventiveWriteIntentReadAction(NestedLocksThreadingSupport.kt:711)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runWriteIntentReadAction(NestedLocksThreadingSupport.kt:665)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:1185)
at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
at com.intellij.platform.ide.navigation.impl.IdeNavigationServiceExecutor$navigate$2.invokeSuspend(IdeNavigationServiceExecutor.kt:26)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:34)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
at com.intellij.openapi.application.impl.DispatchedRunnable.run(DispatchedRunnable.kt:42)
at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:239)
at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:25)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:221)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent$lambda$1$1$0(NonBlockingFlushQueue.kt:334)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:901)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent$lambda$1$1(NonBlockingFlushQueue.kt:333)
at com.intellij.concurrency.ThreadContext.resetThreadContext(threadContext.kt:294)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent$lambda$1(NonBlockingFlushQueue.kt:330)
at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.tryRunWriteIntentReadAction(NestedLocksThreadingSupport.kt:690)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent(NonBlockingFlushQueue.kt:326)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.flushNow(NonBlockingFlushQueue.kt:305)
at com.intellij.openapi.application.impl.NonBlockingFlushQueue.FLUSH_NOW$lambda$0(NonBlockingFlushQueue.kt:167)
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:664)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:517)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$0$0$0(IdeEventQueue.kt:333)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:1065)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:109)
at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1065)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$0(IdeEventQueue.kt:331)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:371)
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)
Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelled}@62261244, Dispatchers.Main]

Thanks for sharing this. Do you have any steps to reproduce?

Not at all. I'll keep an eye out but as said, I am not even sure when this happened or what I was doing.