--- a/src/hotspot/share/runtime/sharedRuntime.cpp	Wed Nov 06 21:18:42 2019 -0500
+++ b/src/hotspot/share/runtime/sharedRuntime.cpp	Thu Nov 07 07:02:55 2019 +0100
@@ -2615,7 +2615,7 @@
 
 AdapterHandlerEntry* AdapterHandlerLibrary::get_adapter(const methodHandle& method) {
   AdapterHandlerEntry* entry = get_adapter0(method);
-  if (method->is_shared()) {
+  if (entry != NULL && method->is_shared()) {
     // See comments around Method::link_method()
     MutexLocker mu(AdapterHandlerLibrary_lock);
     if (method->adapter() == NULL) {