Null Pointer Exception On Record Viewer

[gabistoenescu]

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Describe the bug When double clicking on an record with null key (and an Avro value) I'm gettting a pop-up window with a NullPointerException stack trace.

To Reproduce Steps to reproduce the behavior:

1. Consume messages with null keys and Avro values
2. Click to select one of the returned messages
3. Double click on it to get the record viewer pop-up window
4. See error in pop-up window

Expected behavior See the message with the null key

Screenshots For some reason I am unable to attach a screenshot so, I'll include a detailed description Pop-up window name: viewModel.keyProperty.value must not be null Pop-up window message: Error in classpath/insulator.views.main.topic.RecordView$root$1.invoke(RecordView.kt:22) Pop-up window content:

java.lang.NullPointerException: viewModel.keyProperty.value must not be null at classpath//insulator.views.main.topic.RecordView$root$1.invoke(RecordView.kt:22) at classpath//insulator.views.main.topic.RecordView$root$1.invoke(RecordView.kt:12) at classpath//tornadofx.LayoutsKt.vbox(Layouts.kt:433) at classpath//tornadofx.LayoutsKt.vbox$default(Layouts.kt:144) at classpath//insulator.views.main.topic.RecordView.<init>(RecordView.kt:17) at classpath//insulator.viewmodel.main.topic.TopicViewModel$showRecordInfoView$1.invoke(TopicViewModel.kt:77) at classpath//insulator.viewmodel.main.topic.TopicViewModel$showRecordInfoView$1.invoke(TopicViewModel.kt:25) at classpath//insulator.ui.WindowsManager.openWindow(WindowsManager.kt:21) at classpath//insulator.viewmodel.main.topic.TopicViewModel.showRecordInfoView(TopicViewModel.kt:77) at classpath//insulator.views.main.topic.TopicView$recordsTable$1$3.invoke(TopicView.kt:142) at classpath//insulator.views.main.topic.TopicView$recordsTable$1$3.invoke(TopicView.kt:30) at classpath//tornadofx.NodesKt$onDoubleClick$1.handle(Nodes.kt:415) at classpath//tornadofx.NodesKt$onDoubleClick$1.handle(Nodes.kt) at classpath//com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86) at classpath//com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:234) at classpath//com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191) at classpath//com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59) at classpath//com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58) at classpath//com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at classpath//com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at classpath//com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at classpath//com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at classpath//com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at classpath//com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at classpath//com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at classpath//com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56) at classpath//com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114) at classpath//com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74) at classpath//com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54) at classpath//javafx.event.Event.fireEvent(Event.java:198) at classpath//javafx.scene.Scene$ClickGenerator.postProcess(Scene.java:3563) at classpath//javafx.scene.Scene$MouseHandler.process(Scene.java:3865) at classpath//javafx.scene.Scene.processMouseEvent(Scene.java:1851) at classpath//javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2584) at classpath//com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:409) at classpath//com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:299) at java.base/java.security.AccessController.doPrivileged(Unknown Source) at classpath//com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$2(GlassViewEventHandler.java:447) at classpath//com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:412) at classpath//com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:446) at classpath//com.sun.glass.ui.View.handleMouseEvent(View.java:556) at classpath//com.sun.glass.ui.View.notifyMouse(View.java:942) at classpath//com.sun.glass.ui.mac.MacView.notifyMouse(MacView.java:127)

Desktop (please complete the following information):

• OS: macOS Monterey
• Insulator version 0.8.0(100)