Bom dia pessoal.
Alguem sabe o que pode ser este erro.
java.lang.NullPointerException
at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:280)
at org.eclipse.emf.common.notify.impl.NotifyingListImpl.dispatchNotification(NotifyingListImpl.java:267)
at org.eclipse.jem.internal.util.emf.workbench.ProjectResourceSetImpl$SynchronizedResourcesEList.dispatchNotification(ProjectResourceSetImpl.java:335)
at org.eclipse.emf.common.notify.impl.NotifyingListImpl.addUnique(NotifyingListImpl.java:300)
at org.eclipse.emf.common.util.AbstractEList.add(AbstractEList.java:307)
at org.eclipse.jem.internal.util.emf.workbench.ProjectResourceSetImpl$SynchronizedResourcesEList.add(ProjectResourceSetImpl.java:81)
at org.eclipse.jem.internal.util.emf.workbench.ProjectResourceSetImpl.createResource(ProjectResourceSetImpl.java:392)
at org.eclipse.wst.common.internal.emfworkbench.integration.ProjectResourceSetEditImpl.createResource(ProjectResourceSetEditImpl.java:48)
at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandCreateResource(ResourceSetImpl.java:239)
at org.eclipse.jem.internal.util.emf.workbench.ProjectResourceSetImpl.getResource(ProjectResourceSetImpl.java:693)
at org.eclipse.jst.jee.model.internal.JEE5ModelProvider.getModelResource(JEE5ModelProvider.java:155)
at org.eclipse.jst.jee.model.internal.EAR5ModelProvider.getModelObject(EAR5ModelProvider.java:50)
at org.eclipse.jst.j2ee.project.EarUtilities.getEARLibDir(EarUtilities.java:372)
at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainer.getBaseEARLibRefs(J2EEComponentClasspathContainer.java:321)
at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainer.update(J2EEComponentClasspathContainer.java:211)
at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainer.install(J2EEComponentClasspathContainer.java:351)
at org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathInitializer.initialize(J2EEComponentClasspathInitializer.java:47)
at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2608)
at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1778)
at org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:2652)
at org.eclipse.jem.workbench.utility.JavaModelListener.isInClasspath(JavaModelListener.java:353)
at org.eclipse.jem.workbench.utility.JavaModelListener.isInClasspath(JavaModelListener.java:305)
at org.eclipse.jem.internal.adapters.jdom.JavaReflectionSynchronizer.processJavaElementChanged(JavaReflectionSynchronizer.java:117)
at org.eclipse.jem.workbench.utility.JavaModelListener.processDelta(JavaModelListener.java:116)
at org.eclipse.jem.internal.adapters.jdom.JavaReflectionSynchronizer.processDelta(JavaReflectionSynchronizer.java:341)
at org.eclipse.jem.workbench.utility.JavaModelListener.processChildren(JavaModelListener.java:78)
at org.eclipse.jem.internal.adapters.jdom.JavaReflectionSynchronizer.processChildren(JavaReflectionSynchronizer.java:334)
at org.eclipse.jem.workbench.utility.JavaModelListener.processJavaElementChanged(JavaModelListener.java:176)
at org.eclipse.jem.workbench.utility.JavaModelListener.processDelta(JavaModelListener.java:113)
at org.eclipse.jem.internal.adapters.jdom.JavaReflectionSynchronizer.processDelta(JavaReflectionSynchronizer.java:341)
at org.eclipse.jem.workbench.utility.JavaModelListener.elementChanged(JavaModelListener.java:63)
at org.eclipse.jem.internal.adapters.jdom.JavaReflectionSynchronizer.elementChanged(JavaReflectionSynchronizer.java:263)
at org.eclipse.jdt.internal.core.DeltaProcessor$3.run(DeltaProcessor.java:1557)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.jdt.internal.core.DeltaProcessor.notifyListeners(DeltaProcessor.java:1547)
at org.eclipse.jdt.internal.core.DeltaProcessor.firePostChangeDelta(DeltaProcessor.java:1381)
at org.eclipse.jdt.internal.core.DeltaProcessor.fire(DeltaProcessor.java:1357)
at org.eclipse.jdt.internal.core.DeltaProcessor.resourceChanged(DeltaProcessor.java:1958)
at org.eclipse.jdt.internal.core.DeltaProcessingState.resourceChanged(DeltaProcessingState.java:470)
at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:313)
at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1022)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1809)
at oracle.eclipse.tools.webservices.common.compiler.WebServiceProjectCompilerImpl.build(WebServiceProjectCompilerImpl.java:100)
at oracle.eclipse.tools.webservices.publish.WebServiceProjectPublishTask$WebServicesBuildOperation.processWebServices(WebServiceProjectPublishTask.java:164)
at oracle.eclipse.tools.webservices.publish.WebServiceProjectPublishTask$WebServicePublishOperation.processWebModule(WebServiceProjectPublishTask.java:127)
at oracle.eclipse.tools.weblogic.server.model.WeblogicWebPublishOperation.processRootModule(WeblogicWebPublishOperation.java:86)
at oracle.eclipse.tools.weblogic.server.model.WeblogicPublishOperation.execute(WeblogicPublishOperation.java:92)
at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.performTasks(WeblogicServerBehaviour.java:1203)
at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.publishToServer(WeblogicServerBehaviour.java:760)
at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.publishOnce(WeblogicServerBehaviour.java:623)
at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.publish(WeblogicServerBehaviour.java:516)
at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.publish(ServerBehaviourDelegate.java:708)
at org.eclipse.wst.server.core.internal.Server.publishImpl(Server.java:2731)
at org.eclipse.wst.server.core.internal.Server$PublishJob.run(Server.java:278)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)