### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: model/org/eclipse/jdt/internal/core/JavaModelOperation.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/JavaModelOperation.java,v
retrieving revision 1.66
diff -u -r1.66 JavaModelOperation.java
--- model/org/eclipse/jdt/internal/core/JavaModelOperation.java	3 Apr 2007 09:33:48 -0000	1.66
+++ model/org/eclipse/jdt/internal/core/JavaModelOperation.java	26 Apr 2007 11:24:06 -0000
@@ -745,10 +745,11 @@
 					switch (element.getElementType()) {
 						case IJavaElement.PACKAGE_FRAGMENT_ROOT:
 						case IJavaElement.PACKAGE_FRAGMENT:
-							((JavaProject) element.getJavaProject()).resetCaches();
+							deltaProcessor.projectCachesToReset.add(element.getJavaProject());
 							break;
 					}
 				}
+				deltaProcessor.resetProjectCaches();
 				
 				// fire only iff:
 				// - the operation is a top level operation
Index: model/org/eclipse/jdt/internal/core/DeltaProcessor.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/DeltaProcessor.java,v
retrieving revision 1.298
diff -u -r1.298 DeltaProcessor.java
--- model/org/eclipse/jdt/internal/core/DeltaProcessor.java	3 Apr 2007 09:33:49 -0000	1.298
+++ model/org/eclipse/jdt/internal/core/DeltaProcessor.java	26 Apr 2007 11:24:06 -0000
@@ -232,7 +232,7 @@
 	private final ModelUpdater modelUpdater = new ModelUpdater();
 
 	/* A set of IJavaProject whose caches need to be reset */
-	private HashSet projectCachesToReset = new HashSet();  
+	public HashSet projectCachesToReset = new HashSet();  
 
 	/*
 	 * A list of IJavaElement used as a scope for external archives refresh during POST_CHANGE.
@@ -1778,7 +1778,7 @@
 	 * Traverse the set of projects which have changed namespace, and reset their 
 	 * caches and their dependents
 	 */
-	private void resetProjectCaches() {
+	public void resetProjectCaches() {
 		if (this.projectCachesToReset.size() == 0)
 			return;
 		
#P org.eclipse.jdt.core.tests.model
Index: src/org/eclipse/jdt/core/tests/model/NameLookupTests2.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/NameLookupTests2.java,v
retrieving revision 1.22
diff -u -r1.22 NameLookupTests2.java
--- src/org/eclipse/jdt/core/tests/model/NameLookupTests2.java	29 Mar 2006 04:03:07 -0000	1.22
+++ src/org/eclipse/jdt/core/tests/model/NameLookupTests2.java	26 Apr 2007 11:24:07 -0000
@@ -12,7 +12,9 @@
 
 import java.io.IOException;
 
+import org.eclipse.core.resources.IWorkspaceRunnable;
 import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.jdt.core.*;
 import org.eclipse.jdt.internal.core.JavaProject;
@@ -44,7 +46,7 @@
 	return buildModelTestSuite(NameLookupTests2.class);
 }
 
-private NameLookup getNameLookup(JavaProject project) throws JavaModelException {
+NameLookup getNameLookup(JavaProject project) throws JavaModelException {
 	return project.newNameLookup((WorkingCopyOwner)null);
 }
 public void testAddPackageFragmentRootAndPackageFrament() throws CoreException {
@@ -194,6 +196,34 @@
 	}
 }
 /*
+ * Creates a package fragment and finds it in a dependent project in a batch operation
+ * (regression test for bug 144776 JavaProject.resetCaches() needs to reset dependent projects
+ */
+public void testNameLookupFindPackageFragmentAfterCreation() throws CoreException {
+	try {
+		final IJavaProject p1 = createJavaProject("P1");
+		final JavaProject p2 = (JavaProject) createJavaProject("P2", new String[] {""}, new String[0], new String[] {"/P1"}, "");
+		
+		// populate namelookup for p2
+		getNameLookup(p2);
+		
+		IWorkspaceRunnable runnable = new IWorkspaceRunnable(){
+			public void run(IProgressMonitor monitor) throws CoreException {
+				p1.getPackageFragmentRoot(p1.getProject()).createPackageFragment("pkg", false/*don't force*/, monitor);
+				IPackageFragment[] pkgs = getNameLookup(p2).findPackageFragments("pkg", false/*exact match*/);
+				assertElementsEqual(
+					"Unexpected package fragments", 
+					"pkg [in <project root> [in P1]]",
+					pkgs);
+			}
+		};
+		JavaCore.run(runnable, null/*no progress*/);
+	} finally {
+		deleteProject("P1");
+		deleteProject("P2");
+	}
+}
+/*
  * Ensure that finding a package fragment with a working copy opened returns one element only
  * (regression test for bug 89624 Open on selection proposes twice the same entry)
  */