--- old/src/share/vm/runtime/javaCalls.cpp	2014-08-09 00:43:33.505760034 -0700
+++ new/src/share/vm/runtime/javaCalls.cpp	2014-08-09 00:43:33.397755924 -0700
@@ -309,6 +309,13 @@
 }
 
 void JavaCalls::call_helper(JavaValue* result, methodHandle* m, JavaCallArguments* args, TRAPS) {
+  if (DumpSharedSpaces) {
+    // During dumping, Java execution environment is not fully initialized. Also, Java execution
+    // may cause undesriable side-effect in the class metadata.
+    warning("must not execute Java bytecodes when dumping");
+    exit(2);
+  }
+
   methodHandle method = *m;
   JavaThread* thread = (JavaThread*)THREAD;
   assert(thread->is_Java_thread(), "must be called by a java thread");