--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java	Mon Nov 05 14:02:04 2018 +0100
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java	Mon Nov 05 14:40:16 2018 +0100
@@ -81,7 +81,7 @@
      */
     @SuppressWarnings("resource")
     public String execute(String name, String[] settings, Long delay, Long duration, Boolean disk, String path, Long maxAge, Long maxSize, Boolean dumpOnExit, Boolean pathToGcRoots) throws DCmdException {
-        if (LogTag.JFR_DCMD.shouldLog(LogLevel.DEBUG)) {
+        if (Logger.shouldLog(LogTag.JFR_DCMD, LogLevel.DEBUG)) {
             Logger.log(LogTag.JFR_DCMD, LogLevel.DEBUG, "Executing DCmdStart: name=" + name +
                     ", settings=" + Arrays.asList(settings) +
                     ", delay=" + delay +
@@ -106,13 +106,7 @@
             throw new DCmdException("Filename can only be set for a time bound recording or if dumponexit=true. Set duration/dumponexit or omit filename.");
         }
 
-
         Map<String, String> s = new HashMap<>();
-
-        if (settings == null || settings.length == 0) {
-            settings = new String[] { "default" };
-        }
-
         for (String configName : settings) {
             try {
                 s.putAll(JFC.createKnown(configName).getSettings());