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java.io.IOException: invalid manifest format
java.io.IOException: invalid manifest format	at java.util.jar.Manifest.read(Manifest.java:193)	at org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveManifestImpl.(ArchiveManifestImpl.java:47)	at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getManifestClasspath(J2EEModuleVirtualComponent.java:151)	at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getManifestReferences(J2EEModuleVirtualComponent.java:291)	at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:103)	at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:96)	at org.eclipse.jst.common.jdt.internal.classpath.FlexibleProjectContainer.computeClasspathEntries(FlexibleProjectContainer.java:181)	at org.eclipse.jst.common.jdt.internal.classpath.FlexibleProjectContainer.(FlexibleProjectContainer.java:122)	at org.eclipse.jst.j2ee.internal.web.classpath.WebAppLibrariesContainer.(WebAppLibrariesContainer.java:48)	at org.eclipse.jst.j2ee.internal.web.classpath.WebAppLibrariesContainerInitializer.initialize(WebAppLibrariesContainerInitializer.java:34)	at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2608)	at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2514)	at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2552)	at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1773)	at org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:2652)	at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2561)	at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2662)	at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1861)	at org.eclipse.jdt.internal.core.DeltaProcessingState.getRootInfos(DeltaProcessingState.java:304)	at org.eclipse.jdt.internal.core.DeltaProcessingState.initializeRoots(DeltaProcessingState.java:249)	at org.eclipse.jdt.internal.core.DeltaProcessor.processResourceDelta(DeltaProcessor.java:1753)	at org.eclipse.jdt.internal.core.DeltaProcessor.resourceChanged(DeltaProcessor.java:1943)	at org.eclipse.jdt.internal.core.DeltaProcessingState.resourceChanged(DeltaProcessingState.java:470)	at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)	at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)	at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:313)	at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1022)	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1809)	at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:118)	at org.jboss.tools.test.util.ResourcesUtils.importProjectIntoWorkspace(ResourcesUtils.java:234)	at org.jboss.tools.test.util.ResourcesUtils.importProject(ResourcesUtils.java:58)	at org.jboss.tools.test.util.ResourcesUtils.importProject(ResourcesUtils.java:165)	at org.jboss.tools.test.util.ProjectImportTestSetup.importProjects(ProjectImportTestSetup.java:58)	at org.jboss.tools.test.util.ProjectImportTestSetup.setUp(ProjectImportTestSetup.java:79)	at junit.extensions.TestSetup$1.protect(TestSetup.java:20)	at junit.framework.TestResult.runProtected(TestResult.java:124)	at junit.extensions.TestSetup.run(TestSetup.java:25)	at junit.framework.TestSuite.runTest(TestSuite.java:230)	at junit.framework.TestSuite.run(TestSuite.java:225)	at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:354)	at org.eclipse.test.EclipseTestRunner.run(EclipseTestRunner.java:206)	at org.eclipse.test.UITestApplication$3.run(UITestApplication.java:195)	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:3468)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3115)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)	at org.eclipse.test.UITestApplication.runApplication(UITestApplication.java:138)	at org.eclipse.test.UITestApplication.run(UITestApplication.java:60)	at org.eclipse.test.UITestApplication.start(UITestApplication.java:210)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)	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:368)	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:585)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)	at org.eclipse.equinox.launcher.Main.run(Main.java:1311)	at org.eclipse.equinox.launcher.Main.main(Main.java:1287)	at org.eclipse.core.launcher.Main.main(Main.java:34)