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Product Version: NetBeans IDE Dev (Build 201407090001) Updates: Updates available Java: 1.8.0_20-ea; Java HotSpot(TM) 64-Bit Server VM 25.20-b22 Runtime: Java(TM) SE Runtime Environment 1.8.0_20-ea-b23 System: Mac OS X version 10.10 running on x86_64; UTF-8; en_US (nb) I profile a simple Swing app in Memory mode and see the following profile output: ------------ ***Profer debug: could not get .class file URL for a synthetic class com.sun.proxy.$Proxy1 in ClassBytesLoader.getClassFileURL ***Profer debug: could not get .class file URL for a synthetic class com.sun.proxy.$Proxy0 in ClassBytesLoader.getClassFileURL Profiler Agent Warning: JVMTI classLoadHook: class name is null. ***Profiler agent warning: could not get .class file for a synthetic class java.lang.invoke.LambdaForm$MH/282388371 in ProfilerInterface.getClassFileBytes java.lang.NoClassDefFoundError: sun/java2d/opengl/OGLRenderQueue$$Lambda$2 at sun.java2d.opengl.OGLRenderQueue$$Lambda$2/1100277623.get$Lambda(Unknown Source) at sun.java2d.opengl.OGLRenderQueue.<init>(OGLRenderQueue.java:51) at sun.java2d.opengl.OGLRenderQueue.getInstance(OGLRenderQueue.java:63) at sun.java2d.opengl.CGLGraphicsConfig.getConfig(CGLGraphicsConfig.java:140) at sun.awt.CGraphicsDevice.<init>(CGraphicsDevice.java:67) at sun.awt.CGraphicsEnvironment.initDevices(CGraphicsEnvironment.java:163) at sun.awt.CGraphicsEnvironment.<init>(CGraphicsEnvironment.java:115) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:409) at java.lang.Class.newInstance(Class.java:437) at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:112) at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:81) at java.awt.Window.initGC(Window.java:475) at java.awt.Window.init(Window.java:497) at java.awt.Window.<init>(Window.java:538) at java.awt.Frame.<init>(Frame.java:420) at java.awt.Frame.<init>(Frame.java:385) at javax.swing.JFrame.<init>(JFrame.java:181) at tabbedpane.JTabbedPaneHTMLTest$1.run(JTabbedPaneHTMLTest.java:27) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744) at java.awt.EventQueue.access$400(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:697) at java.awt.EventQueue$3.run(EventQueue.java:691) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:714) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:106) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:88)
Created attachment 148172 [details] Profiler output log
Created attachment 148173 [details] Netbeans IDE log
My steps: - create Anagram sample project - right-click project node and choose Profile - select Memory|Advanced and click Run - it prints similar messages like attached by Alexandr, fails with exception and profiled application is not started. Exception in thread "AWT-Windows" java.lang.NoClassDefFoundError: sun/awt/windows/WToolkit$$Lambda$4 at sun.awt.windows.WToolkit$$Lambda$4/1952287228.get$Lambda(Unknown Source) at sun.awt.windows.WToolkit.registerShutdownHook(WToolkit.java:275) at sun.awt.windows.WToolkit.run(WToolkit.java:292) at java.lang.Thread.run(Thread.java:745) Product Version: NetBeans IDE Dev (Build 201407220001) Java: 1.8.0_05; Java HotSpot(TM) 64-Bit Server VM 25.5-b02 Runtime: Java(TM) SE Runtime Environment 1.8.0_05-b13 System: Windows 7 version 6.1 running on amd64; Cp1250; en_US (nb)
The problem is caused by NoClassDefFoundError, "could not get .class file URL for a synthetic class" is just debug output and is harmless.
It looks like redefine classes incorrectly defines class sun.java2d.opengl.OGLRenderQueue$$Lambda$2 instead of the correct anonymized name sun.java2d.opengl.OGLRenderQueue$$Lambda$2/1342443276. It needs more investigation, but for now the quick fix is to avoid instrumentation of classes created by Unsafe.defineAnonymousClass().
Fixed in profiler-main changeset: 275861:ed472a217546 user: Tomas Hurka <thurka@netbeans.org> date: Wed Jul 23 12:20:39 2014 +0200 summary: bugfix #245840, do not instrument classes created by Unsafe.defineAnonymousClass()
Integrated into 'main-silver', will be available in build *201407240001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/ed472a217546 User: Tomas Hurka <thurka@netbeans.org> Log: bugfix #245840, do not instrument classes created by Unsafe.defineAnonymousClass()