WolfTheProblemSolver causes IDEA to hang forever in some situations : IDEA-38758

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Project	IntelliJ IDEA
Priority	Normal
Type	Performance Problem
Fix versions	No Fix versions
State	Fixed
Assignee	Alexey Kudravtsev
Subsystem	Editor. Error Highlighting
Affected versions	No Affected versions
Fixed in build	108.65

Created by Keith Lea
4 years ago (21 May 2007 23:29)
Updated by root
2 years ago (17 Jan 2010 20:46)
Jira: IDEADEV-17084
(history, comments)

IDEA-38758 WolfTheProblemSolver causes IDEA to hang forever in some situations

Issue is visible to: All Users

Many users are reporting hangs that look like this (reverse stack trace from YourKit):

java.awt.EventDispatchThread.run()
com.intellij.ide.IdeEventQueue.dispatchEvent(AWTEvent)
com.intellij.ide.IdeEventQueue.a(AWTEvent)
com.intellij.ide.IdeEventQueue.b(AWTEvent)
java.awt.EventQueue.dispatchEvent(AWTEvent)
com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(MouseEvent)
com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI, MenuSelectionManager, MouseEvent)
com.intellij.ui.plaf.beg.BegMenuItemUI.a(MenuSelectionManager, MouseEvent)
com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionEvent)
javax.swing.AbstractButton.fireActionPerformed(ActionEvent)
com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionEvent)
com.intellij.ide.actions.ShowModulePropertiesAction.actionPerformed(AnActionEvent)
com.intellij.openapi.roots.ui.configuration.ModulesConfigurator.showDialog(Project, String, String, boolean)
com.intellij.ide.actions.ShowSettingsUtilImpl.editConfigurable(Project, Configurable, Runnable)
com.intellij.openapi.ui.DialogWrapper.show()
com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show()
com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show()
java.awt.Dialog.show()
com.intellij.ide.IdeEventQueue.dispatchEvent(AWTEvent)
com.intellij.ide.IdeEventQueue.a(AWTEvent)
com.intellij.ide.IdeEventQueue.b(AWTEvent)
java.awt.EventQueue.dispatchEvent(AWTEvent)
com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(MouseEvent)
com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI, MenuSelectionManager, MouseEvent)
com.intellij.ui.plaf.beg.BegMenuItemUI.a(MenuSelectionManager, MouseEvent)
com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionEvent)
javax.swing.AbstractButton.fireActionPerformed(ActionEvent)
com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionEvent)
com.intellij.openapi.roots.ui.configuration.projectRoot.AddAction$3.actionPerformed(AnActionEvent)
com.intellij.openapi.roots.ui.configuration.libraryEditor.LibraryTableEditor$AddLibraryAction.actionPerformed(ActionEvent)
com.intellij.openapi.roots.ui.configuration.libraryEditor.LibraryFileChooser.chooseNameAndFiles()
com.intellij.openapi.roots.ui.configuration.libraryEditor.LibraryFileChooser.chooseNameAndFiles(VirtualFile)
com.intellij.openapi.fileChooser.ex.FileChooserDialogImpl.choose(VirtualFile, Project)
com.intellij.openapi.ui.DialogWrapper.show()
com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show()
com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show()
java.awt.Dialog.show()
com.intellij.ide.IdeEventQueue.dispatchEvent(AWTEvent)
com.intellij.ide.IdeEventQueue.a(AWTEvent)
com.intellij.ide.IdeEventQueue.b(AWTEvent)
java.awt.EventQueue.dispatchEvent(AWTEvent)
com.intellij.util.ui.Tree.processMouseEvent(MouseEvent)
javax.swing.JComponent.processMouseEvent(MouseEvent)
com.intellij.openapi.fileChooser.ex.FileSystemTreeImpl$4.treeExpanded(TreeExpansionEvent)
com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(Runnable)
com.intellij.openapi.fileChooser.ex.FileSystemTreeImpl$4$1.run()
com.intellij.openapi.vfs.VirtualFile.refresh(boolean, boolean)
com.intellij.openapi.vfs.impl.local.VirtualFileImpl.refresh(boolean, boolean, Runnable)
com.intellij.openapi.vfs.impl.local.VirtualFileImpl.refresh(boolean, boolean, boolean, Runnable)
com.intellij.openapi.vfs.impl.local.VirtualFileImpl$4.run()
com.intellij.openapi.vfs.impl.VirtualFileManagerImpl.afterRefreshFinish(boolean, ModalityState)
com.intellij.openapi.vfs.impl.VirtualFileManagerImpl$2.run()
com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(Runnable)
com.intellij.openapi.vfs.impl.VirtualFileManagerImpl$2$1.run()
com.intellij.openapi.vfs.impl.local.VirtualFileImpl$9.run()
com.intellij.openapi.vfs.impl.local.LocalFileSystemImpl.fireBeforeFileDeletion(Object, VirtualFile)
com.intellij.openapi.vfs.VirtualFileSystem.fireBeforeFileDeletion(Object, VirtualFile)
$Proxy1.beforeFileDeletion(VirtualFileEvent)
com.intellij.util.PendingEventDispatcher$1.invoke(Object, Method, Object[])
com.intellij.util.PendingEventDispatcher.access$100(PendingEventDispatcher, Method, Object[])
com.intellij.util.PendingEventDispatcher.a(Method, Object[])
com.intellij.util.PendingEventDispatcher.a(EventListener)
java.lang.reflect.Method.invoke(Object, Object[])
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.beforeFileDeletion(VirtualFileEvent)
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.a(VirtualFile)
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.a(VirtualFile)
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.a(VirtualFile)
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.a(VirtualFile)
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.a(VirtualFile)
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.a(VirtualFile)
com.intellij.codeInsight.problems.WolfTheProblemSolverImpl$3.a(VirtualFile)
com.intellij.openapi.vfs.impl.local.VirtualFileImpl.getChildren()
com.intellij.openapi.vfs.impl.local.IoFile.isDirectory()
java.io.File.isDirectory()

Most users just kill idea from the command line because IDEA "never" unfreezes.

Environment: Ubuntu Linux

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