Cannot remove JSF capabilities from JSF project ----------------------------------------------- Key: JBIDE-26600 URL: https://issues.redhat.com/browse/JBIDE-26600 Project: Tools (JBoss Tools) Issue Type: Bug Components: jsf Affects Versions: 4.11.0.Final Environment: Fedora 29, Java 11.0.2 Reporter: Ondrej Dockal Assignee: Jeff MAURY Priority: Critical Fix For: 4.16.0.Final Removing JSF capabilities introduces Command 'org.jboss.tools.jsf.ui.project.configure.disable' failed error. {code} eclipse.buildId=12.11.0.GA-v20190321-1925-B4244 java.version=11.0.2 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -product com.jboss.devstudio.core.product Command-line arguments: -data file:/home/odockal/workspace_12110Ga-Staging/ -os linux -ws gtk -arch x86_64 -product com.jboss.devstudio.core.product org.eclipse.e4.ui.workbench Error Wed Mar 27 14:32:09 CET 2019 Command 'org.jboss.tools.jsf.ui.project.configure.disable' failed org.eclipse.core.commands.ExecutionException: Error executing 'org.jboss.tools.jsf.ui.project.configure.disable': java.lang.NullPointerException at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:170) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:497) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:490) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:438) at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.handleWidgetSelection(AbstractContributionItem.java:449) at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.lambda$2(AbstractContributionItem.java:475) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5783) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1411) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:5051) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4579) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1173) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1062) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:566) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:155) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:661) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:597) at org.eclipse.equinox.launcher.Main.run(Main.java:1476) at org.eclipse.equinox.launcher.Main.main(Main.java:1449) Caused by: org.eclipse.e4.core.di.InjectionException: java.lang.NullPointerException at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:68) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:320) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:254) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:173) at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:156) ... 33 more Caused by: java.lang.NullPointerException at org.jboss.tools.jsf.model.handlers.RemoveJSFNatureContribution.execute(RemoveJSFNatureContribution.java:40) at org.jboss.tools.common.model.handlers.RemoveModelNatureHandler.executeHandler(RemoveModelNatureHandler.java:99) at org.jboss.tools.common.meta.action.impl.XActionImpl.executeHandler(XActionImpl.java:65) at org.jboss.tools.common.model.ui.action.XModelObjectAction.actionPerformed(XModelObjectAction.java:96) at org.jboss.tools.common.model.ui.action.XModelObjectActionInvoker.execute(XModelObjectActionInvoker.java:36) at org.jboss.tools.common.meta.action.XActionInvoker.invoke(XActionInvoker.java:53) at org.jboss.tools.common.meta.action.XActionInvoker.invoke(XActionInvoker.java:40) at org.jboss.tools.common.model.ui.internal.handlers.ModelResourceHandler.doRun(ModelResourceHandler.java:94) at org.jboss.tools.common.model.ui.internal.handlers.ModelResourceHandler.execute(ModelResourceHandler.java:74) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:294) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:96) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58) ... 37 more {code}