diff -r ad9fa99fa48e -r 532e88de77eb src/hotspot/share/prims/nativeLookup.cpp
--- a/src/hotspot/share/prims/nativeLookup.cpp	Thu Apr 04 17:23:05 2019 -0400
+++ b/src/hotspot/share/prims/nativeLookup.cpp	Thu Apr 04 09:39:44 2019 +0200
@@ -380,8 +380,11 @@
   if (entry != NULL) return entry;
 
   // Native function not found, throw UnsatisfiedLinkError
-  THROW_MSG_0(vmSymbols::java_lang_UnsatisfiedLinkError(),
-              method->name_and_sig_as_C_string());
+  stringStream ss;
+  ss.print("'");
+  method->print_external_name(&ss);
+  ss.print("'");
+  THROW_MSG_0(vmSymbols::java_lang_UnsatisfiedLinkError(), ss.as_string());
 }