--- old/test/hotspot/jtreg/runtime/LoaderConstraints/differentLE/Test.java	2018-06-14 15:10:47.823202210 -0400
+++ new/test/hotspot/jtreg/runtime/LoaderConstraints/differentLE/Test.java	2018-06-14 15:10:46.347656460 -0400
@@ -75,11 +75,13 @@
     // Then it loads the D2 variant of D from the current working directory and it's
     // superclass C. This fails as D1 is already loaded with the same superclass.
 
-    static String expectedErrorMessage =
-        "loader constraint violation: loader \"<unnamed>\" (instance of PreemptingClassLoader, " +
-        "child of \"app\" jdk.internal.loader.ClassLoaders$AppClassLoader) wants to load " +
+    // Break the expectedErrorMessage into 2 pieces since the loader name will include
+    // its identity hash and can not be compared against.
+    static String expectedErrorMessage_part1 = "loader constraint violation: loader PreemptingClassLoader @";
+    static String expectedErrorMessage_part2 = " (instance of PreemptingClassLoader, " +
+        "child of 'app' jdk.internal.loader.ClassLoaders$AppClassLoader) wants to load " +
         "class test.D_ambgs. A different class with the same name was previously loaded " +
-        "by \"app\" (instance of jdk.internal.loader.ClassLoaders$AppClassLoader).";
+        "by 'app' (instance of jdk.internal.loader.ClassLoaders$AppClassLoader).";
 
     public static void test_access() throws Exception {
         try {
@@ -101,8 +103,9 @@
             throw new RuntimeException("Expected LinkageError was not thrown.");
         } catch (LinkageError jle) {
             String errorMsg = jle.getMessage();
-            if (!errorMsg.equals(expectedErrorMessage)) {
-                System.out.println("Expected: " + expectedErrorMessage + "\n" +
+            if (!errorMsg.contains(expectedErrorMessage_part1) || 
+                !errorMsg.contains(expectedErrorMessage_part2)) {
+                System.out.println("Expected: " + expectedErrorMessage_part1 + "<id>" + expectedErrorMessage_part2 + "\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong error message of LinkageError.");
             } else {