8382529: Tests com/sun/jdi/RedefineCrossEvent.java and com/sun/jdi/ClassesByName2Test.java fail when running frequent GC

Author: jsikstro

test/jdk/com/sun/jdi/ClassesByName2Test.java

@@ -137,6 +137,10 @@ void breakpointAtMethod(ReferenceType ref, String methodName)
         }
     }
 
+    private static boolean isHiddenClass(String className) {
+      return className.contains("/");
+    }
+
     protected void runTests() throws Exception {
         BreakpointEvent bpe = startToMain("ClassesByName2Targ");
 
@@ -160,9 +164,16 @@ is slow (eg, -Xcomp -server) - we don't want to
             for (Iterator it = all.iterator(); it.hasNext(); ) {
                 ReferenceType cls = (ReferenceType)it.next();
                 String name = cls.name();
+
+                if (isHiddenClass(name)) {
+                  // Hidden classes may have been unloaded by the time classesByName
+                  // is called so we skip those
+                  continue;
+                }
+
                 List found = vm().classesByName(name);
                 if (found.contains(cls)) {
-                    //System.out.println("Found class: " + name);
+                    System.out.println("Found class: " + name);
                 } else {
                     System.out.println("CLASS NOT FOUND: " + name);
                     throw new Exception("CLASS NOT FOUND (by classesByName): " +