I have created a simple template where I try to use a multi axis chart with two time series plots. When I try to select the Dataset item of the second TimeSeries Plot (in the outline), I get an NPE with following trace:
eclipse.buildId=unknown
java.version=1.8.0_144
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86_64 -debug -data @noDefault
com.jaspersoft.studio.properties
Error
Mon Dec 11 18:14:14 CET 2017
Problems occurred when invoking code from plug-in: "com.jaspersoft.studio.properties".
java.lang.NullPointerException
at com.jaspersoft.studio.components.chart.model.dataset.MChartTimeSeriesDataset.getPropertyValue(MChartTimeSeriesDataset.java:90)
at com.jaspersoft.studio.property.section.AbstractSection.refresh(AbstractSection.java:71)
at com.jaspersoft.studio.properties.view.TabContents$7.run(TabContents.java:235)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
at com.jaspersoft.studio.properties.view.TabContents.refresh(TabContents.java:238)
at com.jaspersoft.studio.properties.view.TabbedPropertySheetPage$SelectionChangedListener.selectionChanged(TabbedPropertySheetPage.java:232)
at org.eclipse.jface.viewers.Viewer$1.run(Viewer.java:158)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:155)
at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2191)
at com.jaspersoft.studio.properties.internal.TabbedPropertyViewer.access$0(TabbedPropertyViewer.java:1)
at com.jaspersoft.studio.properties.internal.TabbedPropertyViewer.updateSelection(TabbedPropertyViewer.java:201)
at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1229)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1258)
at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:242)
at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:236)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:405)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4418)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1103)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1088)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:802)
at com.jaspersoft.studio.properties.internal.TabbedPropertyList.select(TabbedPropertyList.java:206)
at com.jaspersoft.studio.properties.internal.TabbedPropertyViewer.setSelectionToWidget(TabbedPropertyViewer.java:132)
at com.jaspersoft.studio.properties.view.TabbedPropertySheetPage.setInput(TabbedPropertySheetPage.java:608)
at com.jaspersoft.studio.properties.view.TabbedPropertySheetPage.selectionChanged(TabbedPropertySheetPage.java:557)
at org.eclipse.ui.views.properties.PropertySheet.showSelectionAndDescription(PropertySheet.java:491)
at org.eclipse.ui.views.properties.PropertySheet.selectionChanged(PropertySheet.java:471)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.notifyListeners(SelectionService.java:259)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.handlePostSelectionChanged(SelectionService.java:133)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.access$1(SelectionService.java:123)
at org.eclipse.ui.internal.e4.compatibility.SelectionService$3.selectionChanged(SelectionService.java:81)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$4.run(SelectionAggregator.java:166)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.notifyPostListeners(SelectionAggregator.java:163)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.access$8(SelectionAggregator.java:161)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$8$1.run(SelectionAggregator.java:271)
at org.eclipse.e4.core.contexts.RunAndTrack.runExternalCode(RunAndTrack.java:56)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$8.changed(SelectionAggregator.java:268)
at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:114)
at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:344)
at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:359)
at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl.setPostSelection(SelectionServiceImpl.java:36)
at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart$3.selectionChanged(CompatibilityPart.java:131)
at org.eclipse.ui.part.PageBookView$SelectionManager$1.run(PageBookView.java:263)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.part.PageBookView$SelectionManager.selectionChanged(PageBookView.java:260)
at org.eclipse.ui.part.PageBookView$SelectionProvider.postSelectionChanged(PageBookView.java:331)
at org.eclipse.ui.part.PageBookView.postSelectionChanged(PageBookView.java:916)
at org.eclipse.ui.part.PageBookView.access$3(PageBookView.java:911)
at org.eclipse.ui.part.PageBookView$3.selectionChanged(PageBookView.java:179)
at com.jaspersoft.studio.editor.outline.page.MultiOutlineView.setSelection(MultiOutlineView.java:219)
at com.jaspersoft.studio.editor.outline.page.MultiOutlineView.selectionChanged(MultiOutlineView.java:121)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.fireSelectionChanged(AbstractEditPartViewer.java:247)
at org.eclipse.gef.ui.parts.TreeViewer.fireSelectionChanged(TreeViewer.java:171)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer$1.run(AbstractEditPartViewer.java:131)
at org.eclipse.gef.SelectionManager.fireSelectionChanged(SelectionManager.java:156)
at org.eclipse.gef.SelectionManager.setSelection(SelectionManager.java:314)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setSelection(AbstractEditPartViewer.java:751)
at org.eclipse.gef.ui.parts.TreeViewer$1.widgetSelected(TreeViewer.java:196)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4418)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4236)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3824)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:693)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
at com.jaspersoft.studio.rcp.intro.Application.start(Application.java:91)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610)
at org.eclipse.equinox.launcher.Main.run(Main.java:1519)
Because of this NPE it is not possible to set any item of dataset properties because the changes don't survive switching to another outline node.
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