Designer cannot be opened after switching Flow projects

[stefanuebe]

Steps to reproduce

1. Open a flow project.
2. Edit a flow template inside this project.
3. Switch to another flow project.
4. Try to create a new flow template or edit an existing file.

Actual behavior

An error occurs: Already disposed: Project (Disposed) test-project-10.
Stack trace at bottom. test-project-10 is the name of the previous project.

Expected behavior

Error should not occur.

Workaround

Restart IDE.

IDE, Designer and OS version

IntelliJ 2017.3.4, Designer 3.0.0 beta1, Windows 10

Stack trace

Already disposed: Project (Disposed) test-project-10
java.lang.AssertionError: Already disposed: Project (Disposed) test-project-10
at com.intellij.openapi.components.impl.ComponentManagerImpl.lambda$getPicoContainer$2(ComponentManagerImpl.java:261)
at com.intellij.openapi.application.ReadAction.run(ReadAction.java:37)
at com.intellij.openapi.components.impl.ComponentManagerImpl.getPicoContainer(ComponentManagerImpl.java:259)
at com.intellij.openapi.components.impl.ComponentManagerImpl.getPicoContainer(ComponentManagerImpl.java:57)
at com.intellij.openapi.components.ServiceManager.doGetService(ServiceManager.java:48)
at com.intellij.openapi.components.ServiceManager.getService(ServiceManager.java:43)
at com.intellij.util.indexing.FileBasedIndexScanRunnableCollector.getInstance(FileBasedIndexScanRunnableCollector.java:30)
at com.intellij.util.indexing.FileBasedIndexImpl.collectScanRootRunnables(FileBasedIndexImpl.java:2310)
at com.intellij.util.indexing.FileBasedIndexImpl.iterateIndexableFiles(FileBasedIndexImpl.java:2303)
at com.intellij.util.indexing.FileBasedIndexImpl.projectIndexableFiles(FileBasedIndexImpl.java:1081)
at com.intellij.util.indexing.FileBasedIndexImpl.processValuesInScope(FileBasedIndexImpl.java:931)
at com.intellij.util.indexing.FileBasedIndexImpl.processValues(FileBasedIndexImpl.java:818)
at com.intellij.psi.search.FileNameIndexServiceImpl.getVirtualFilesByName(FileNameIndexServiceImpl.java:40)
at com.intellij.psi.search.FilenameIndex.processFilesByName(FilenameIndex.java:100)
at com.intellij.psi.search.FilenameIndex.processFilesByName(FilenameIndex.java:87)
at com.intellij.psi.search.FilenameIndex.getFilesByName(FilenameIndex.java:158)
at com.vaadin.designer2.intellij.service.FlowImportService.getFilesOrFoldersInProject(FlowImportService.java:205)
at com.vaadin.designer2.intellij.service.FlowImportService.findFileInWebapp(FlowImportService.java:184)
at com.vaadin.designer2.intellij.service.FlowImportService.lambda$getPolymerHtml$0(FlowImportService.java:91)
at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:923)
at com.vaadin.designer2.intellij.service.FlowImportService.getPolymerHtml(FlowImportService.java:90)
at com.vaadin.designer2.intellij.actions.flow.CreateFlowDialog.(CreateFlowDialog.java:108)
at com.vaadin.designer2.intellij.actions.flow.CreateFlowAction.createDialog(CreateFlowAction.java:143)
at com.vaadin.designer2.intellij.actions.AbstractCreationAction.showDialog(AbstractCreationAction.java:55)
at com.vaadin.designer2.intellij.actions.AbstractCreationAction.showCreateDesignDialog(AbstractCreationAction.java:50)
at com.vaadin.designer2.intellij.actions.flow.CreateFlowAction.actionPerformed(CreateFlowAction.java:137)
at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:220)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:237)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.lambda$actionPerformed$0(ActionMenuItem.java:321)
at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:911)
at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:136)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:311)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$fireActionPerformed$0(ActionMenuItem.java:130)
at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88)
at com.intellij.openapi.application.TransactionGuardImpl.lambda$submitTransaction$1(TransactionGuardImpl.java:111)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:120)
at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:122)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:130)
at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:521)
at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:48)
at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:541)
at java.awt.Component.processMouseEvent(Component.java:6541)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6306)
at java.awt.Container.processEvent(Container.java:2237)
at java.awt.Component.dispatchEventImpl(Component.java:4897)
at java.awt.Container.dispatchEventImpl(Container.java:2295)
at java.awt.Component.dispatchEvent(Component.java:4719)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4889)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4526)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4467)
at java.awt.Container.dispatchEventImpl(Container.java:2281)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4719)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:737)
at java.awt.EventQueue$4.run(EventQueue.java:735)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:822)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:646)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:366)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

[ripla]

After some discussion we found out this is actually the same issue as #1593. These will be fixed at the same time.