Error Message

Path for project must have only one segment.
Stacktrace

java.lang.IllegalArgumentException: Path for project must have only one segment.
	at org.eclipse.core.runtime.Assert.isLegal(Assert.java:63)
	at org.eclipse.core.internal.resources.WorkspaceRoot.getProject(WorkspaceRoot.java:183)
	at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDataModelProvider.getDefaultProperty(WebFacetInstallDataModelProvider.java:69)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.getProperty(DataModelImpl.java:130)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.getStringProperty(DataModelImpl.java:153)
	at org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelSynchHelper.setWidgetValue(DataModelSynchHelper.java:338)
	at org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelSynchHelper.doSynchUIWithModel(DataModelSynchHelper.java:238)
	at org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelSynchHelper.synchUIWithModel(DataModelSynchHelper.java:213)
	at org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelSynchHelper.propertyChanged(DataModelSynchHelper.java:183)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.notifyListeners(DataModelImpl.java:347)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.notifyPropertyChange(DataModelImpl.java:338)
	at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDataModelProvider.propertySet(WebFacetInstallDataModelProvider.java:116)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.internalSetProperty(DataModelImpl.java:182)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.setProperty(DataModelImpl.java:172)
	at org.eclipse.wst.common.componentcore.datamodel.FacetProjectCreationDataModelProvider.propertySet(FacetProjectCreationDataModelProvider.java:318)
	at org.eclipse.jst.j2ee.project.facet.J2EEFacetProjectCreationDataModelProvider.propertySet(J2EEFacetProjectCreationDataModelProvider.java:135)
	at org.eclipse.jst.j2ee.internal.web.archive.operations.WebFacetProjectCreationDataModelProvider.propertySet(WebFacetProjectCreationDataModelProvider.java:75)
	at org.jboss.tools.seam.internal.core.project.facet.SeamFacetProjectCreationDataModelProvider.propertySet(SeamFacetProjectCreationDataModelProvider.java:121)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.internalSetProperty(DataModelImpl.java:182)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.setProperty(DataModelImpl.java:172)
	at org.eclipse.wst.common.frameworks.internal.datamodel.DataModelImpl.setStringProperty(DataModelImpl.java:201)
	at org.jboss.tools.seam.ui.test.wizard.PackageNamesTest.tearDown(PackageNamesTest.java:46)
	at junit.framework.TestCase.runBare(TestCase.java:140)
	at junit.framework.TestResult$1.protect(TestResult.java:110)
	at junit.framework.TestResult.runProtected(TestResult.java:128)
	at junit.framework.TestResult.run(TestResult.java:113)
	at junit.framework.TestCase.run(TestCase.java:124)
	at junit.framework.TestSuite.runTest(TestSuite.java:232)
	at junit.framework.TestSuite.run(TestSuite.java:227)
	at junit.framework.TestSuite.runTest(TestSuite.java:232)
	at junit.framework.TestSuite.run(TestSuite.java:227)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
	at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
	at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
	at org.codehaus.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:75)
	at org.codehaus.tycho.surefire.osgibooter.AbstractUITestApplication$1.run(AbstractUITestApplication.java:25)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3515)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3164)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
	at org.codehaus.tycho.surefire.osgibooter.UITestApplication.runApplication(UITestApplication.java:21)
	at org.codehaus.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:109)
	at org.codehaus.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:27)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1384)