IgnoreManager$bulkFileListener$1.handleEvent$lambda$1 freezes UI thread due to slow call of BufferedInputStream.rea

[ViugiNick]

Android Studio Koala|2024.1.1 Beta 2

com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:191) [59200ms]
com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:22) [59200ms]
com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:209) [59200ms]
com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission$$Lambda$2457/0x000000080168b360.run(Unknown Source) [59200ms]
com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$safeTransferToEdt$7(NonBlockingReadActionImpl.java:728) [59200ms]
com.intellij.openapi.vfs.newvfs.RefreshQueueImpl$$Lambda$6470/0x00000008035aeae0.accept(Unknown Source) [59200ms]
com.intellij.openapi.vfs.newvfs.RefreshQueueImpl.lambda$queueSession$2(RefreshQueueImpl.java:113) [59200ms]
com.intellij.openapi.vfs.newvfs.RefreshSessionImpl.fireEvents(RefreshSessionImpl.java:218) [59200ms]
com.intellij.openapi.application.impl.ApplicationImpl.runWriteActionWithNonCancellableProgressInDispatchThread(ApplicationImpl.java:869) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder.runWriteActionWithNonCancellableProgressInDispatchThread(RwLockHolder.kt:413) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder.runEdtProgressWriteAction(RwLockHolder.kt:429) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder.runWriteActionWithClass(RwLockHolder.kt:440) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder$$Lambda$6502/0x00000008035d4b10.compute(Unknown Source) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder.runEdtProgressWriteAction$lambda$2(RwLockHolder.kt:431) [59200ms]
com.intellij.openapi.progress.util.PotemkinProgress.runInSwingThread(PotemkinProgress.java:156) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:202) [59200ms]
com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:79) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:659) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:691) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:735) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager$$Lambda$1332/0x0000000800f09708.compute(Unknown Source) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$13(CoreProgressManager.java:660) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager$$Lambda$1331/0x0000000800f09290.run(Unknown Source) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:220) [59200ms]
com.intellij.platform.diagnostic.telemetry.helpers.TraceKt.use(trace.kt:46) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager$$Lambda$1997/0x00000008013d5cf0.invoke(Unknown Source) [59200ms]
com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$1(CoreProgressManager.java:221) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder$$Lambda$6506/0x00000008035d5698.run(Unknown Source) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder.runEdtProgressWriteAction$lambda$2$lambda$1(RwLockHolder.kt:431) [59200ms]
com.intellij.openapi.vfs.newvfs.RefreshSessionImpl$$Lambda$6501/0x00000008035d48b0.accept(Unknown Source) [59200ms]
com.intellij.openapi.vfs.newvfs.RefreshSessionImpl.lambda$fireEvents$1(RefreshSessionImpl.java:222) [59200ms]
com.intellij.openapi.vfs.newvfs.RefreshSessionImpl.fireEventsInWriteAction(RefreshSessionImpl.java:240) [59200ms]
com.intellij.openapi.vfs.newvfs.AsyncEventSupport.processEventsFromRefresh(AsyncEventSupport.java:153) [59200ms]
com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl.processEventsImpl(PersistentFSImpl.java:1439) [59200ms]
com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl.applyMultipleEvents(PersistentFSImpl.java:1457) [59200ms]
com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl.fireBeforeEvents(PersistentFSImpl.java:1490) [59200ms]
com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl.runSuppressing(PersistentFSImpl.java:1115) [59200ms]
com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl$$Lambda$6512/0x00000008035d6b50.run(Unknown Source) [59200ms]
com.intellij.openapi.vfs.newvfs.persistent.PersistentFSImpl.lambda$fireBeforeEvents$15(PersistentFSImpl.java:1491) [59200ms]
jdk.proxy2/jdk.proxy2.$Proxy246.before(Unknown Source) [59200ms]
com.intellij.util.messages.impl.MessagePublisher.invoke(MessageBusImpl.kt:449) [59200ms]
com.intellij.util.messages.impl.ToDirectChildrenMessagePublisher.publish$intellij_platform_core(CompositeMessageBus.kt:310) [59200ms]
com.intellij.util.messages.impl.MessageBusImplKt.executeOrAddToQueue(MessageBusImpl.kt:492) [59200ms]
com.intellij.util.messages.impl.MessageBusImplKt.invokeListener(MessageBusImpl.kt:660) [59200ms]
com.intellij.util.messages.impl.MessageBusImplKt.invokeMethod(MessageBusImpl.kt:700) [59200ms]
java.base@17.0.10/java.lang.invoke.LambdaForm$MH/0x0000000800888000.invokeExact_MT(LambdaForm$MH) [59200ms]
java.base@17.0.10/java.lang.invoke.LambdaForm$MH/0x0000000800889000.invoke(LambdaForm$MH) [59200ms]
java.base@17.0.10/java.lang.invoke.LambdaForm$DMH/0x0000000800604000.invokeInterface(LambdaForm$DMH) [59200ms]
mobi.hsz.idea.gitignore.IgnoreManager$bulkFileListener$1.before(IgnoreManager.kt:96) [59200ms]
mobi.hsz.idea.gitignore.IgnoreManager$bulkFileListener$1.handleEvent(IgnoreManager.kt:101) [59200ms]
com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:840) [59200ms]
com.intellij.openapi.application.impl.RwLockHolder.runReadAction(RwLockHolder.kt:254) [59200ms]
mobi.hsz.idea.gitignore.IgnoreManager$bulkFileListener$1$$Lambda$6519/0x0000000802aa6e00.run(Unknown Source) [59200ms]
mobi.hsz.idea.gitignore.IgnoreManager$bulkFileListener$1.handleEvent$lambda$1(IgnoreManager.kt:102) [59200ms]
com.intellij.openapi.vfs.newvfs.impl.VirtualFileSystemEntry.getFileType(VirtualFileSystemEntry.java:621) [59200ms]
com.intellij.openapi.vfs.VirtualFile.getFileType(VirtualFile.java:356) [59200ms]
com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.getFileTypeByFile(FileTypeManagerImpl.java:737) [59200ms]
com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.getFileTypeByFile(FileTypeManagerImpl.java:822) [59200ms]
com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.internalContinueToDetectFileTypeByFile(FileTypeManagerImpl.java:836) [59200ms]
com.intellij.openapi.fileTypes.impl.FileTypeDetectionService.getOrDetectFromContent(FileTypeDetectionService.java:203) [59200ms]
com.intellij.openapi.fileTypes.impl.FileTypeDetectionService.getFirstBytes(FileTypeDetectionService.java:638) [59200ms]
com.intellij.openapi.fileTypes.impl.FileTypeDetectionService.readFirstBytesFromFile(FileTypeDetectionService.java:625) [59200ms]
com.intellij.openapi.fileTypes.impl.FileTypeDetectionService.readSafely(FileTypeDetectionService.java:526) [59200ms]
java.base@17.0.10/java.io.BufferedInputStream.read(BufferedInputStream.java:343) [59200ms]
java.base@17.0.10/java.io.BufferedInputStream.read1(BufferedInputStream.java:282) [59200ms]
java.base@17.0.10/sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:101) [59200ms]
java.base@17.0.10/sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:107) [59200ms]
java.base@17.0.10/sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:65) [59200ms]
java.base@17.0.10/sun.nio.ch.FileChannelImpl.read(FileChannelImpl.java:232) [59200ms]

[xtmq]

We have many similar reports in Rider:

at java.base@17.0.9/java.nio.file.Files.newInputStream(Files.java:160)
at com.intellij.openapi.vfs.impl.local.LocalFileSystemBase.getInputStream(LocalFileSystemBase.java:444)
at com.intellij.openapi.fileTypes.impl.FileTypeDetectionService.readFirstBytesFromFile(FileTypeDetectionService.java:619)
at com.intellij.openapi.fileTypes.impl.FileTypeDetectionService.getFirstBytes(FileTypeDetectionService.java:638)
at com.intellij.openapi.fileTypes.impl.FileTypeDetectionService.getOrDetectFromContent(FileTypeDetectionService.java:204)
at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.internalContinueToDetectFileTypeByFile(FileTypeManagerImpl.java:830)
at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.getFileTypeByFile(FileTypeManagerImpl.java:816)
at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.getFileTypeByFile(FileTypeManagerImpl.java:732)
at com.intellij.openapi.vfs.VirtualFile.getFileType(VirtualFile.java:356)
at com.intellij.openapi.vfs.newvfs.impl.VirtualFileSystemEntry.getFileType(VirtualFileSystemEntry.java:637)
at mobi.hsz.idea.gitignore.IgnoreManager$bulkFileListener$1.handleEvent$lambda$1(IgnoreManager.kt:105)

See https://youtrack.jetbrains.com/issue/DEXP-764934

[gregsh]

https://youtrack.jetbrains.com/issue/IJPL-163473/Freeze-in-IgnoreManagerbulkFileListener1.handleEvent

[hsz]

Fixed with 4.5.4 release!