This error was thrown while setting up an nginx run configuration in the latest WebStorm EAP:
Cannot run synchronous submitTransactionAndWait from invokeLater. Please use asynchronous submit*Transaction. See TransactionGuard FAQ for details.
Transaction: Home Directory (Go to home directory) of class com.intellij.openapi.fileChooser.actions.GotoHomeAction
Unsafe modality: ModalityState:com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog[dialog0,994,250,1092x703,invalid,layout=java.awt.BorderLayout,DOCUMENT_MODAL,title=Run/Debug Configurations,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog$DialogRootPane[,8,31,1076x664,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true], com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog[dialog1,1165,351,750x500,invalid,layout=java.awt.BorderLayout,APPLICATION_MODAL,title=nginx Servers,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog$DialogRootPane[,8,31,734x461,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true], com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog[dialog2,1059,315,994x745,invalid,layout=java.awt.BorderLayout,APPLICATION_MODAL,title=Select Path,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog$DialogRootPane[,8,31,978x706,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]
java.lang.Throwable
at com.intellij.openapi.diagnostic.Logger.error(Logger.java:127)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransactionAndWait(TransactionGuardImpl.java:154)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:211)
at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:193)
at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:154)
at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:330)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:829)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:661)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:357)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:777)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:454)
at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1637)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1579)
at com.intellij.openapi.fileChooser.ex.FileChooserDialogImpl.choose(FileChooserDialogImpl.java:142)
at com.intellij.openapi.fileChooser.FileChooser.chooseFiles(FileChooser.java:55)
at net.ishchenko.idea.nginx.configurator.NginxConfigurationPanel$TrickyMediator.addNewServerClicked(NginxConfigurationPanel.java:209)
at net.ishchenko.idea.nginx.configurator.NginxConfigurationPanel$3$1.run(NginxConfigurationPanel.java:115)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:829)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:665)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:357)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:777)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:454)
at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1637)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1579)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.access$801(SingleConfigurableEditor.java:45)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.a(SingleConfigurableEditor.java:127)
at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:31)
at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.show(SingleConfigurableEditor.java:127)
at net.ishchenko.idea.nginx.run.NginxRunSettingsEditor$Mediator.showServerManagerDialog(NginxRunSettingsEditor.java:83)
at net.ishchenko.idea.nginx.run.NginxRunSettingsForm$2.actionPerformed(NginxRunSettingsForm.java:69)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:829)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:661)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:357)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:777)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:454)
at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1637)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1579)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.access$801(SingleConfigurableEditor.java:45)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.a(SingleConfigurableEditor.java:127)
at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:31)
at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)
at com.intellij.openapi.options.ex.SingleConfigurableEditor.show(SingleConfigurableEditor.java:127)
at com.intellij.execution.impl.EditConfigurationsDialog.access$001(EditConfigurationsDialog.java:33)
at com.intellij.execution.impl.EditConfigurationsDialog.b(EditConfigurationsDialog.java:54)
at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:37)
at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)
at com.intellij.execution.impl.EditConfigurationsDialog.show(EditConfigurationsDialog.java:54)
at com.intellij.execution.actions.EditRunConfigurationsAction.actionPerformed(EditRunConfigurationsAction.java:49)
at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:197)
at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:88)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransactionAndWait(TransactionGuardImpl.java:156)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:211)
at com.intellij.ui.popup.PopupFactoryImpl$ActionPopupStep.performAction(PopupFactoryImpl.java:879)
at com.intellij.ui.popup.PopupFactoryImpl$ActionPopupStep.a(PopupFactoryImpl.java:867)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:199)
at com.intellij.ui.popup.AbstractPopup.a(AbstractPopup.java:1390)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:829)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:665)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:357)
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)
This error was thrown while setting up an nginx run configuration in the latest WebStorm EAP: