Hi Petr, Are there any new findings with the AppKit thread dump. Thanks, Viral
On Nov 25, 2013, at 6:53 AM, Viral Barot <vba...@tibco.com> wrote: > Hi Petr, > Here is the dump of the Appkit thread and the AWT Thread. As I indicated > earlier our original application does not call invokeAndWait, it uses > invokeLater to make changes to the frame once the frame is created in Appkit > thread. Also I see this issue with SWT 3.7.2 as well as the latest 4.3. > > "AWT-EventQueue-0" prio=5 tid=0x00007fcc9b357000 nid=0xbf03 runnable > [0x0000000167cac000] > java.lang.Thread.State: RUNNABLE > at sun.lwawt.macosx.CCursorManager.nativeGetCursorPosition(Native > Method) > at > sun.lwawt.macosx.CCursorManager.getCursorPosition(CCursorManager.java:54) > at sun.lwawt.LWCursorManager.updateCursorImpl(LWCursorManager.java:79) > at sun.lwawt.LWCursorManager.updateCursor(LWCursorManager.java:56) > at > sun.lwawt.LWComponentPeer.updateCursorImmediately(LWComponentPeer.java:852) > at java.awt.Component.updateCursorImmediately(Component.java:3123) > at java.awt.Component.hide(Component.java:1696) > - locked <0x0000000158b7a4e0> (a java.awt.Component$AWTTreeLock) > at java.awt.Window.hide(Window.java:1116) > at sun.awt.EmbeddedFrame.hide(EmbeddedFrame.java:192) > at java.awt.Component.show(Component.java:1653) > at java.awt.Component.setVisible(Component.java:1603) > at java.awt.Window.setVisible(Window.java:1014) > at > com.tibco.cep.studio.ui.overview.OverviewUtils.refreshOverview(OverviewUtils.java:122) > at > com.tibco.cep.studio.ui.overview.OverviewUtils$1.run(OverviewUtils.java:51) > at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251) > at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733) > at java.awt.EventQueue.access$200(EventQueue.java:103) > at java.awt.EventQueue$3.run(EventQueue.java:694) > at java.awt.EventQueue$3.run(EventQueue.java:692) > at java.security.AccessController.doPrivileged(Native Method) > at > java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) > at java.awt.EventQueue.dispatchEvent(EventQueue.java:703) > at > java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) > at > java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) > at > java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) > at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) > at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) > at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) > > Locked ownable synchronizers: > - None > > "AppKit Thread" prio=5 tid=0x00007fcc9a803800 nid=0x707 waiting for monitor > entry [0x00007fff58cb2000] > java.lang.Thread.State: BLOCKED (on object monitor) > at java.awt.Container.addImpl(Container.java:1077) > - waiting to lock <0x0000000158b7a4e0> (a > java.awt.Component$AWTTreeLock) > at java.awt.Container.add(Container.java:966) > at > com.tomsawyer.canvas.swing.TSBaseSwingCanvas.setInnerCanvas(SourceFile:4258) > at > com.tomsawyer.interactive.swing.TSSwingCanvas.setInnerCanvas(SourceFile:798) > at > com.tomsawyer.canvas.swing.TSBaseSwingCanvas.createGUI(SourceFile:3870) > at com.tomsawyer.canvas.swing.TSBaseSwingCanvas.<init>(SourceFile:138) > at com.tomsawyer.interactive.swing.TSSwingCanvas.<init>(SourceFile:160) > at com.tomsawyer.interactive.swing.TSSwingCanvas.<init>(SourceFile:138) > at > com.tibco.cep.diagramming.drawing.DrawingCanvas.<init>(DrawingCanvas.java:37) > at > com.tibco.cep.diagramming.drawing.DiagramManager.initialize(DiagramManager.java:233) > at > com.tibco.cep.diagramming.drawing.DiagramManager.<init>(DiagramManager.java:196) > at > com.tibco.cep.studio.ui.diagrams.EntityDiagramManager.<init>(EntityDiagramManager.java:135) > at > com.tibco.cep.studio.ui.diagrams.EventDiagramManager.<init>(EventDiagramManager.java:87) > at > com.tibco.cep.studio.ui.editors.events.EventDiagramEditor.getDiagramManager(EventDiagramEditor.java:24) > at > com.tibco.cep.studio.ui.editors.EntityDiagramEditor.addFormPage(EntityDiagramEditor.java:85) > at > com.tibco.cep.studio.ui.editors.EntityDiagramEditor.createUIEditorPage(EntityDiagramEditor.java:77) > at > com.tibco.cep.studio.ui.editors.EntityDiagramEditor.createPages(EntityDiagramEditor.java:54) > at > org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:348) > at > org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:670) > at > org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465) > at > org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) > at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313) > at > org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180) > at > org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270) > at > org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65) > at > org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473) > at > org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1245) > at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1198) > at > org.eclipse.ui.internal.PartStack.presentationSelectionChanged(PartStack.java:834) > at org.eclipse.ui.internal.PartStack.access$1(PartStack.java:823) > at org.eclipse.ui.internal.PartStack$1.selectPart(PartStack.java:137) > at > org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:133) > at > org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:269) > at > org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:278) > at > org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder.access$1(DefaultTabFolder.java:1) > at > org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder$2.handleEvent(DefaultTabFolder.java:88) > at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) > at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128) > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457) > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480) > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465) > at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270) > at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2746) > at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1433) > at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257) > at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) > at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128) > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457) > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480) > at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465) > at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270) > at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974) > at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3613) > at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701) > at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665) > at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) > at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) > at > org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) > at > org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) > at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) > at > org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) > at > org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) > at > org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) > at > org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) > at > org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) > at > org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) > at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) > at org.eclipse.equinox.launcher.Main.run(Main.java:1410) > at org.eclipse.equinox.launcher.Main.main(Main.java:1386) > > Locked ownable synchronizers: > - None > > > > On Nov 18, 2013, at 10:55 PM, Petr Pchelko <petr.pche...@oracle.com> wrote: > >> Hello, Viral. >> >> It's known that there are some deadlocks in SWT_AWT bridge on Mac. Here's an >> example: >> https://bugs.openjdk.java.net/browse/JDK-8020165 >> >> It would be useful if you also post the dump of an Appkit thread to identify >> your particular case. >> >> The deadlock occurs because AWT is called on the main thread. So the main >> thread get blocked >> on some internal AWT lock, while the EventDispatchThread is trying to >> perform a synchronous operation >> on the main thread. It's not quite obvious how to fix that internally, >> because for the normal AWT application >> we have a strict rule not to acquire locks on the Appkit thread. >> >> For now the workaround could be to wrap all the usages of AWT inside >> invokeLater (except the initial >> SWT_AWT.new_Frame(composite) call). This should fix your deadlock. >> >> Also, which version of SWT are you using? The newer versions are patched so >> that you could not set the >> embeddedFrameClass explicitly. That patch also contains additional changes >> in bridge initialization, >> so the bridge does not work quite well with older versions. This could be >> another reason of your deadlock. >> >> With best regards. Petr. >> >> On 19.11.2013, at 2:51, Viral Barot <vba...@tibco.com> wrote: >> >>> Accessing AWT frame from a thread causes the application to freeze when >>> executed with JRE 7. The AWT frame is created with SWT_AWT bridge. >>> >>> Below is the test case in which call to frame.setVisible(true); from the >>> AWT event dispatching thread does not return. >>> >>> Test Case: >>> import java.awt.Button; >>> import java.awt.Color; >>> import java.awt.event.ActionEvent; >>> import java.awt.event.ActionListener; >>> import java.lang.reflect.InvocationTargetException; >>> >>> import javax.swing.JOptionPane; >>> import javax.swing.SwingUtilities; >>> >>> import org.eclipse.swt.SWT; >>> import org.eclipse.swt.awt.SWT_AWT; >>> import org.eclipse.swt.layout.GridLayout; >>> import org.eclipse.swt.widgets.Display; >>> import org.eclipse.swt.widgets.Shell; >>> import org.eclipse.swt.widgets.Composite; >>> >>> public class Main { >>> >>> public static void main(String[] args) { >>> >>> >>> >>> if(System.getProperty("os.name").toLowerCase().startsWith("mac")){ >>> SWT_AWT.embeddedFrameClass = "sun.lwawt.macosx.CViewEmbeddedFrame"; >>> } >>> >>> >>> Display display = new Display(); >>> Shell shell = new Shell(display); >>> shell.setText("Shell"); >>> shell.setSize(200, 200); >>> shell.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_BLUE)); >>> >>> >>> >>> final Composite composite = new Composite(shell, SWT.EMBEDDED); >>> GridLayout gridLayout = new GridLayout(); >>> gridLayout.numColumns = 1; >>> composite.setLayout(gridLayout); >>> composite.setSize(200,200); >>> >>> composite.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE)); >>> >>> >>> >>> final java.awt.Frame frame = SWT_AWT.new_Frame(composite); >>> frame.setVisible(false); >>> frame.setBackground(Color.red); >>> frame.setSize(200, 200); >>> Button button = new Button("Submit"); >>> button.addActionListener(new ActionListener() { >>> >>> >>> @Override >>> public void actionPerformed(ActionEvent e) { >>> >>> >>> JOptionPane.showMessageDialog(null, "Hello"); >>> } >>> }); >>> frame.add(button); >>> frame.doLayout(); >>> >>> >>> >>> try { >>> SwingUtilities.invokeAndWait(new Runnable() { >>> >>> >>> @Override >>> public void run() { >>> frame.setVisible(true); >>> } >>> }); >>> } catch (InterruptedException e1) { >>> e1.printStackTrace(); >>> } catch (InvocationTargetException e1) { >>> e1.printStackTrace(); >>> } >>> shell.open(); >>> >>> >>> >>> while (!shell.isDisposed()) { >>> if (!display.readAndDispatch()) >>> display.sleep(); >>> } >>> display.dispose(); >>> >>> >>> >>> } >>> } >>> >>> Below is the thread dump for this. >>> >>> "AWT-EventQueue-0" prio=5 tid=0x00007f8d0b087000 nid=0x8703 runnable >>> [0x0000000195e40000] >>> java.lang.Thread.State: RUNNABLE >>> at sun.lwawt.macosx.CCursorManager.nativeGetCursorPosition(Native Method) >>> at sun.lwawt.macosx.CCursorManager.getCursorPosition(CCursorManager.java:54) >>> at sun.lwawt.LWCursorManager.updateCursorImpl(LWCursorManager.java:79) >>> at sun.lwawt.LWCursorManager.updateCursor(LWCursorManager.java:56) >>> at >>> sun.lwawt.LWComponentPeer.updateCursorImmediately(LWComponentPeer.java:852) >>> at java.awt.Component.updateCursorImmediately(Component.java:3123) >>> at java.awt.Component.show(Component.java:1626) >>> - locked <0x0000000160c5b8c8> (a java.awt.Component$AWTTreeLock) >>> at java.awt.Window.show(Window.java:1042) >>> at sun.awt.EmbeddedFrame.show(EmbeddedFrame.java:179) >>> at java.awt.Component.show(Component.java:1651) >>> at java.awt.Component.setVisible(Component.java:1603) >>> at java.awt.Window.setVisible(Window.java:1014) >>> at Main$2.run(Main.java:60) >>> at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:241) >>> at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733) >>> at java.awt.EventQueue.access$200(EventQueue.java:103) >>> at java.awt.EventQueue$3.run(EventQueue.java:694) >>> at java.awt.EventQueue$3.run(EventQueue.java:692) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at >>> java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) >>> at java.awt.EventQueue.dispatchEvent(EventQueue.java:703) >>> at >>> java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) >>> at >>> java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) >>> at >>> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) >>> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) >>> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) >>> at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) >>> >>> Locked ownable synchronizers: >>> - None >>> >>> While in the above test case if invokeLater is called instead of >>> invokeAndWait, the test case runs fine. But in my application the >>> invokeLater calls also freeze at same location. >>> >>> This behavoir happens with SWT 3.7.2 as well as 4.3. >>> >>> >>> >>> >> >
