SonarLint - Null Pointer Exception - Unable to open Rule Description Web View

[pons...@gmail.com]

Hi,

Im using Eclipse Oxygen and JDK 1.8 in Windows OS.

I have build SonarLint from "sonarlint-eclipse-master" (3.0.0-Snapshot) Github branch.

SonarLint Analysis is successful and issues are listed in "SonarLint On-the-Fly" view.

But when I right-click on Issue and open "Rule Description" I got the below NullPointerException with error message "Unable to open Rule Description Web View".

NPE occurred in Line #71 of org.sonarlint.eclipse.ui.internal.views.RuleDescriptionWebView.open() method. 'issuable' object is null.

     ISonarLintIssuable issuable = element.getResource().getAdapter(ISonarLintIssuable.class);
      ISonarLintProject p = issuable.getProject();

Can you let me know what could be causing this error?

Unable to open Rule Description Web View

java.lang.NullPointerException

at org.sonarlint.eclipse.ui.internal.views.RuleDescriptionWebView.open(RuleDescriptionWebView.java:71)

at org.sonarlint.eclipse.ui.internal.views.RuleDescriptionWebView.open(RuleDescriptionWebView.java:1)

at org.sonarlint.eclipse.ui.internal.views.AbstractLinkedSonarWebView.setInput(AbstractLinkedSonarWebView.java:198)

at org.sonarlint.eclipse.ui.internal.command.ShowRuleDescriptionCommand.execute(ShowRuleDescriptionCommand.java:33)

at org.sonarlint.eclipse.ui.internal.command.AbstractIssueCommand.execute(AbstractIssueCommand.java:67)

at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:291)

at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:92)

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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)

at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:305)

at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:239)

at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)

at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)

at org.eclipse.core.commands.Command.executeWithChecks(Command.java:494)

at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:487)

at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)

at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:431)

at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.handleWidgetSelection(AbstractContributionItem.java:446)

at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.lambda$2(AbstractContributionItem.java:472)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)

at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4431)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4241)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3820)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1145)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1034)

at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)

at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)

at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)

at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)

at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138)

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:653)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)

at org.eclipse.equinox.launcher.Main.run(Main.java:1499)

at org.eclipse.equinox.launcher.Main.main(Main.java:1472)

Enter code here...

[Julien HENRY]

Hi Suresh,

This issue was already fixed by this commit:

https://github.com/SonarSource/sonarlint-eclipse/commit/e2f642dcbf48fd62bd602fbdb9fd92fd812afe96

Please check you are using up to date master.

++

Julien

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[pons...@gmail.com]

Thanks Julien.

With the latest 'master' code, this issue is resolved now.

Regards

Suresh

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