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java.lang.IllegalArgumentException: null	at org.eclipse.wst.common.project.facet.core.internal.FacetedProjectWorkingCopy.removeProjectFacet(FacetedProjectWorkingCopy.java:876)	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject$1.run(FacetedProject.java:309)	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)	at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.modify(FacetedProject.java:339)	at org.eclipse.m2e.wtp.WebProjectConfiguratorDelegate.configure(WebProjectConfiguratorDelegate.java:133)	at org.eclipse.m2e.wtp.AbstractProjectConfiguratorDelegate.configureProject(AbstractProjectConfiguratorDelegate.java:94)	at org.eclipse.m2e.wtp.WTPProjectConfigurator.configure(WTPProjectConfigurator.java:71)	at org.eclipse.m2e.core.project.configurator.AbstractLifecycleMapping.configure(AbstractLifecycleMapping.java:120)	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$3.call(ProjectConfigurationManager.java:501)	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$3.call(ProjectConfigurationManager.java:1)	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.updateProjectConfiguration(ProjectConfigurationManager.java:494)	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.configureNewMavenProjects(ProjectConfigurationManager.java:281)	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$4.run(ProjectConfigurationManager.java:521)	at org.eclipse.m2e.core.internal.embedder.AbstractRunnable.call(AbstractRunnable.java:26)	at org.eclipse.m2e.core.internal.embedder.AbstractRunnable.call(AbstractRunnable.java:1)	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1355)	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.enableMavenNature(ProjectConfigurationManager.java:518)	at org.fusesource.ide.projecttemplates.adopters.configurators.MavenTemplateConfigurator.configureMavenNature(MavenTemplateConfigurator.java:77)	at org.fusesource.ide.projecttemplates.adopters.configurators.MavenTemplateConfigurator.configure(MavenTemplateConfigurator.java:51)	at org.fusesource.ide.projecttemplates.adopters.AbstractProjectTemplate.create(AbstractProjectTemplate.java:58)	at org.fusesource.ide.projecttemplates.wizards.FuseIntegrationProjectCreatorRunnable.run(FuseIntegrationProjectCreatorRunnable.java:96)	at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:463)	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:371)	at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:500)	at org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableIT.testProjectCreation(FuseIntegrationProjectCreatorRunnableIT.java:131)	at org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableForEAPSpringIT.testEAPSpringProjectCreation(FuseIntegrationProjectCreatorRunnableForEAPSpringIT.java:49)	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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)	at org.junit.rules.RunRules.evaluate(RunRules.java:20)	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)	at org.junit.runners.Suite.runChild(Suite.java:128)	at org.junit.runners.Suite.runChild(Suite.java:27)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)	at org.eclipse.pde.internal.junit.runtime.RemotePluginTestRunner.main(RemotePluginTestRunner.java:62)	at org.eclipse.pde.internal.junit.runtime.PlatformUITestHarness$1.run(PlatformUITestHarness.java:47)	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4155)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3772)	at org.eclipse.jface.window.Window.runEventLoop(Window.java:827)	at org.eclipse.jface.window.Window.open(Window.java:803)	at org.jboss.tools.usage.event.UsageReporter$6.run(UsageReporter.java:364)	at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:162)	at org.eclipse.ui.internal.UISynchronizer$3.run(UISynchronizer.java:154)	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4155)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3772)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)	at org.eclipse.pde.internal.junit.runtime.NonUIThreadTestApplication.runApp(NonUIThreadTestApplication.java:54)	at org.eclipse.pde.internal.junit.runtime.UITestApplication.runApp(UITestApplication.java:47)	at org.eclipse.pde.internal.junit.runtime.NonUIThreadTestApplication.start(NonUIThreadTestApplication.java:48)	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:380)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)	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:669)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)	at org.eclipse.equinox.launcher.Main.main(Main.java:1488)