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20 hours ago •
AdoptOpenJDK
AdoptOpenJDK
NPE occured from Tag.getAttributes()
I was exploring the default add sample in the JITWatch and suddenly this exception was shown.
Exception in thread "JavaFX Application Thread" java.lang.NullPointerException: Cannot invoke "org.adoptopenjdk.jitwatch.model.Tag.getAttributes()" because "<local8>" is null
at org.adoptopenjdk.jitwatch.hotthrow.HotThrowFinder.visitTag(HotThrowFinder.java:119)
at org.adoptopenjdk.jitwatch.hotthrow.HotThrowFinder.visitTag(HotThrowFinder.java:215)
at org.adoptopenjdk.jitwatch.compilation.CompilationUtil.visitParseTagsOfCompilation(CompilationUtil.java:89)
at org.adoptopenjdk.jitwatch.hotthrow.HotThrowFinder.findHotThrows(HotThrowFinder.java:94)
at org.adoptopenjdk.jitwatch.toplist.HotThrowTopListVisitable.visit(HotThrowTopListVisitable.java:34)
at org.adoptopenjdk.jitwatch.treevisitor.TreeVisitor.walkPackage(TreeVisitor.java:48)
at org.adoptopenjdk.jitwatch.treevisitor.TreeVisitor.walkPackage(TreeVisitor.java:39)
at org.adoptopenjdk.jitwatch.treevisitor.TreeVisitor.walkPackage(TreeVisitor.java:39)
at org.adoptopenjdk.jitwatch.treevisitor.TreeVisitor.walkTree(TreeVisitor.java:29)
at org.adoptopenjdk.jitwatch.toplist.AbstractTopListVisitable.buildTopList(AbstractTopListVisitable.java:58)
at org.adoptopenjdk.jitwatch.ui.toplist.TopListStage.buildTableView(TopListStage.java:208)
at org.adoptopenjdk.jitwatch.ui.toplist.TopListStage.access$100(TopListStage.java:48)
at org.adoptopenjdk.jitwatch.ui.toplist.TopListStage$3.changed(TopListStage.java:151)
at org.adoptopenjdk.jitwatch.ui.toplist.TopListStage$3.changed(TopListStage.java:146)
at com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:360)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.ObjectPropertyBase.fireValueChangedEvent(ObjectPropertyBase.java:106)
at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:113)
at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:147)
at javafx.scene.control.ComboBoxBase.setValue(ComboBoxBase.java:151)
at javafx.scene.control.ComboBox.updateValue(ComboBox.java:516)
at javafx.scene.control.ComboBox$3.changed(ComboBox.java:499)
at com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:360)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.ReadOnlyObjectPropertyBase.fireValueChangedEvent(ReadOnlyObjectPropertyBase.java:80)
at javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(ReadOnlyObjectWrapper.java:102)
at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:113)
at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:147)
at javafx.scene.control.SelectionModel.setSelectedItem(SelectionModel.java:105)
at javafx.scene.control.ComboBox$ComboBoxSelectionModel.lambda$new$0(ComboBox.java:556)
at com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:136)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.ReadOnlyIntegerPropertyBase.fireValueChangedEvent(ReadOnlyIntegerPropertyBase.java:78)
at javafx.beans.property.ReadOnlyIntegerWrapper.fireValueChangedEvent(ReadOnlyIntegerWrapper.java:102)
at javafx.beans.property.IntegerPropertyBase.markInvalid(IntegerPropertyBase.java:114)
at javafx.beans.property.IntegerPropertyBase.set(IntegerPropertyBase.java:148)
at javafx.scene.control.SelectionModel.setSelectedIndex(SelectionModel.java:69)
at javafx.scene.control.SingleSelectionModel.updateSelectedIndex(SingleSelectionModel.java:215)
at javafx.scene.control.SingleSelectionModel.select(SingleSelectionModel.java:149)
at javafx.scene.control.skin.ComboBoxListViewSkin.lambda$createListView$10(ComboBoxListViewSkin.java:558)
at com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:348)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
at javafx.beans.property.ReadOnlyIntegerPropertyBase.fireValueChangedEvent(ReadOnlyIntegerPropertyBase.java:78)
at javafx.beans.property.ReadOnlyIntegerWrapper.fireValueChangedEvent(ReadOnlyIntegerWrapper.java:102)
at javafx.beans.property.IntegerPropertyBase.markInvalid(IntegerPropertyBase.java:114)
at javafx.beans.property.IntegerPropertyBase.set(IntegerPropertyBase.java:148)
at javafx.scene.control.SelectionModel.setSelectedIndex(SelectionModel.java:69)
at javafx.scene.control.MultipleSelectionModelBase.select(MultipleSelectionModelBase.java:413)
at javafx.scene.control.MultipleSelectionModelBase.clearAndSelect(MultipleSelectionModelBase.java:360)
at javafx.scene.control.ListView$ListViewBitSetSelectionModel.clearAndSelect(ListView.java:1451)
at com.sun.javafx.scene.control.behavior.CellBehaviorBase.simpleSelect(CellBehaviorBase.java:282)
at com.sun.javafx.scene.control.behavior.CellBehaviorBase.doSelect(CellBehaviorBase.java:246)
at com.sun.javafx.scene.control.behavior.CellBehaviorBase.mousePressed(CellBehaviorBase.java:176)
at com.sun.javafx.scene.control.inputmap.InputMap.handle(InputMap.java:274)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:247)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3897)
at javafx.scene.Scene.processMouseEvent(Scene.java:1878)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2623)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:411)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:301)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:450)
at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:424)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:449)
at com.sun.glass.ui.View.handleMouseEvent(View.java:557)
at com.sun.glass.ui.View.notifyMouse(View.java:943)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:184)
at java.base/java.lang.Thread.run(Thread.java:833)
Hi, this is my JDK version:
java version "17.0.2" 2022-01-18 LTS
Java(TM) SE Runtime Environment (build 17.0.2+8-LTS-86)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.2+8-LTS-86, mixed mode, sharing)
Hi, I've been unable to reproduce this bug. Please could you post your hotspot log? Thanks :)