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java.lang.NullPointerException at com.ge.aviation.sadl.requirements.resourcechangelistener.PreDirectWriteListener.resourceChanged(PreDirectWriteListener.java:151) at org.eclipse.core.internal.events.NotificationManager$1.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.broadcastBuildEvent(Workspace.java:382) at org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:523) at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:423) at org.eclipse.xtext.junit4.ui.util.IResourcesSetupUtil.waitForBuild(IResourcesSetupUtil.java:328) at org.eclipse.xtext.junit4.ui.util.IResourcesSetupUtil.waitForBuild(IResourcesSetupUtil.java:323) at com.ge.research.sadl.ui.tests.AbstractSadlPlatformTest.deleteProjects(AbstractSadlPlatformTest.java:172) at com.ge.research.sadl.ui.tests.AbstractSadlPlatformTest.after(AbstractSadlPlatformTest.java:113)