src/share/vm/classfile/systemDictionary.cpp

@@ -908,17 +908,14 @@
 
   // return if the protection domain in NULL
   if (protection_domain() == NULL) return k;
 
   // Check the protection domain has the right access
-  {
-    MutexLocker mu(SystemDictionary_lock, THREAD);
     if (dictionary->is_valid_protection_domain(d_index, d_hash, name,
                                                protection_domain)) {
       return k;
     }
-  }
 
   // Verify protection domain. If it fails an exception is thrown
   validate_protection_domain(k, class_loader, protection_domain, CHECK_NULL);
 
   return k;