Index: src/org/jboss/tools/ws/jaxrs/core/internal/metamodel/builder/JavaElementDeltaFilter.java
===================================================================
--- src/org/jboss/tools/ws/jaxrs/core/internal/metamodel/builder/JavaElementDeltaFilter.java	(revision 42677)
+++ src/org/jboss/tools/ws/jaxrs/core/internal/metamodel/builder/JavaElementDeltaFilter.java	(working copy)
@@ -37,6 +37,7 @@
 import java.util.Iterator;
 import java.util.List;
 
+import org.eclipse.core.resources.IResource;
 import org.eclipse.jdt.core.ElementChangedEvent;
 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.core.IJavaElementDelta;
@@ -122,7 +123,8 @@
 		int deltaKind = event.getDeltaKind();
 		IJavaElement element = event.getElement();
 		// prevent processing java elements in a closed java project
-		if (element.getJavaProject() != null && !element.getJavaProject().getProject().isOpen()) {
+		// prevent processing of any file named 'package-info.java'
+		if (isProjectClosed(element) || isPackageInfoFile(element)) {
 			return false;
 		}
 		int flags = event.getFlags();
@@ -139,6 +141,24 @@
 		return match;
 	}
 
+	/**
+	 * Returns true if the element resource is a file named 'package-info.java' (whatever the containing folder)
+	 * @param element
+	 * @return
+	 */
+	private boolean isPackageInfoFile(IJavaElement element) {
+		return element.getResource() != null && element.getResource().getType() == IResource.FILE && element.getResource().getName().equals("package-info.java");
+	}
+
+	/**
+	 * Returns true if the enclosing project is closed
+	 * @param element
+	 * @return
+	 */
+	private boolean isProjectClosed(IJavaElement element) {
+		return element.getJavaProject() != null && !element.getJavaProject().getProject().isOpen();
+	}
+
 	protected boolean apply(int elementKind, int deltaKind, int eventType, int flags, boolean workingCopy) {
 		Rule matcher = new Rule(elementKind, deltaKind, eventType, workingCopy ? WORKING_COPY : PRIMARY_COPY, flags);
 		for (Iterator<Rule> iterator = rules.iterator(); iterator.hasNext();) {
Index: projects/org.jboss.tools.ws.jaxrs.tests.sampleproject/src/main/java/org/jboss/tools/ws/jaxrs/sample/domain/package-info.java
===================================================================
--- projects/org.jboss.tools.ws.jaxrs.tests.sampleproject/src/main/java/org/jboss/tools/ws/jaxrs/sample/domain/package-info.java	(revision 0)
+++ projects/org.jboss.tools.ws.jaxrs.tests.sampleproject/src/main/java/org/jboss/tools/ws/jaxrs/sample/domain/package-info.java	(revision 0)
@@ -0,0 +1 @@
+package org.jboss.tools.ws.jaxrs.sample.domain;
\ No newline at end of file
Index: src/org/jboss/tools/ws/jaxrs/core/internal/metamodel/builder/JavaElementDeltaFilterTestCase.java
===================================================================
--- src/org/jboss/tools/ws/jaxrs/core/internal/metamodel/builder/JavaElementDeltaFilterTestCase.java	(revision 42824)
+++ src/org/jboss/tools/ws/jaxrs/core/internal/metamodel/builder/JavaElementDeltaFilterTestCase.java	(working copy)
@@ -26,6 +26,7 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
+import org.eclipse.core.resources.IResource;
 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.core.IMethod;
@@ -100,5 +101,20 @@
 		IJavaElement element = createMock(IMethod.class, METHOD);
 		assertFalse("Wrong result", filter.apply(createEvent(element, CHANGED, POST_RECONCILE, NO_FLAG)));
 	}
+	
+	@Test
+	public void shouldNotAcceptChangesInPackageInfoFile() {
+		IJavaElement element = createMock(IType.class, ANNOTATION, workingCopy);
+		IResource resource = mock(IResource.class);
+		when(element.getResource()).thenReturn(resource);
+		when(resource.getType()).thenReturn(IResource.FILE);
+		when(resource.getName()).thenReturn("package-info.java");
+		assertFalse("Wrong result", filter.apply(createEvent(element, ADDED, POST_RECONCILE, NO_FLAG)));
+		assertFalse("Wrong result", filter.apply(createEvent(element, ADDED, POST_CHANGE, NO_FLAG)));
+		assertFalse("Wrong result", filter.apply(createEvent(element, CHANGED, POST_RECONCILE, NO_FLAG)));
+		assertFalse("Wrong result", filter.apply(createEvent(element, CHANGED, POST_CHANGE, NO_FLAG)));
+		assertFalse("Wrong result", filter.apply(createEvent(element, REMOVED, POST_RECONCILE, NO_FLAG)));
+		assertFalse("Wrong result", filter.apply(createEvent(element, REMOVED, POST_CHANGE, NO_FLAG)));
+	}
 
 }