Index: SearchableEnvironment.java
===================================================================
RCS file: /home/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/SearchableEnvironment.java,v
retrieving revision 1.48
diff -u -r1.48 SearchableEnvironment.java
--- SearchableEnvironment.java	10 Dec 2004 14:14:01 -0000	1.48
+++ SearchableEnvironment.java	15 Dec 2004 12:47:29 -0000
@@ -10,6 +10,8 @@
  *******************************************************************************/
 package org.eclipse.jdt.internal.core;
 
+import java.util.Map;
+
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.jdt.core.*;
@@ -100,14 +102,17 @@
 			
 			if (this.checkAccessRestrictions && (isBinary || !type.getJavaProject().equals(this.project))) {
 				PackageFragmentRoot root = (PackageFragmentRoot)type.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
-				ClasspathEntry entry = (ClasspathEntry) this.nameLookup.rootToResolvedEntries.get(root);
-				if (entry != null) { // reverse map always contains resolved CP entry
-					accessRestriction = entry.getImportRestriction();
-					if (accessRestriction != null) {
-						// TODO (philippe) improve char[] <-> String conversions to avoid performing them on the fly
-						char[][] packageChars = CharOperation.splitOn('.', packageName.toCharArray());
-						char[] typeChars = typeName.toCharArray();
-						accessRestriction = accessRestriction.getViolatedRestriction(CharOperation.concatWith(packageChars, typeChars, '/'), null);
+				Map map = this.nameLookup.rootToResolvedEntries;
+				if (map != null) { //bug 81122
+					ClasspathEntry entry = (ClasspathEntry) map.get(root);
+					if (entry != null) { // reverse map always contains resolved CP entry
+						accessRestriction = entry.getImportRestriction();
+						if (accessRestriction != null) {
+							// TODO (philippe) improve char[] <-> String conversions to avoid performing them on the fly
+							char[][] packageChars = CharOperation.splitOn('.', packageName.toCharArray());
+							char[] typeChars = typeName.toCharArray();
+							accessRestriction = accessRestriction.getViolatedRestriction(CharOperation.concatWith(packageChars, typeChars, '/'), null);
+						}
 					}
 				}
 			}