--- a/src/hotspot/share/runtime/arguments.cpp	Mon Nov 11 16:59:42 2019 +0100
+++ b/src/hotspot/share/runtime/arguments.cpp	Mon Nov 11 12:11:34 2019 -0500
@@ -588,6 +588,7 @@
   { "TraceSafepointCleanupTime", LogLevel::Info,  true,  LOG_TAGS(safepoint, cleanup) },
   { "TraceJVMTIObjectTagging",   LogLevel::Debug, true,  LOG_TAGS(jvmti, objecttagging) },
   { "TraceRedefineClasses",      LogLevel::Info,  false, LOG_TAGS(redefine, class) },
+  { "PrintJNIResolving",         LogLevel::Debug, true,  LOG_TAGS(jni, resolve) },
   { NULL,                        LogLevel::Off,   false, LOG_TAGS(_NO_TAG) }
 };
 
@@ -2400,9 +2401,7 @@
       } else if (!strcmp(tail, ":gc")) {
         LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(gc));
       } else if (!strcmp(tail, ":jni")) {
-        if (FLAG_SET_CMDLINE(PrintJNIResolving, true) != JVMFlag::SUCCESS) {
-          return JNI_EINVAL;
-        }
+        LogConfiguration::configure_stdout(LogLevel::Debug, true, LOG_TAGS(jni, resolve));
       }
     // -da / -ea / -disableassertions / -enableassertions
     // These accept an optional class/package name separated by a colon, e.g.,