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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.WebAppLibrariesContainer.refresh(WebAppLibrariesContainer.java:80)	at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathUpdater$ModuleUpdateJob.processModules(J2EEComponentClasspathUpdater.java:285)	at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathUpdater$ModuleUpdateJob.access$4(J2EEComponentClasspathUpdater.java:277)	at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathUpdater$ModuleUpdateJob$1.run(J2EEComponentClasspathUpdater.java:317)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathUpdater$ModuleUpdateJob.run(J2EEComponentClasspathUpdater.java:302)	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)