test/jdk/java/util/logging/ParentLoggersTest.java

@@ -75,10 +75,12 @@
              String logger = e.nextElement();
              if (!defaultLoggers.contains(logger)) {
                  initialLoggerNames.add(logger);
              }
          }
+         System.out.println("# default loggers are: " + defaultLoggers);
+         System.out.println("# initial loggers are: " + initialLoggerNames);
  
          String tstSrc = System.getProperty(TST_SRC_PROP);
          File   fname  = new File(tstSrc, LM_PROP_FNAME);
          String prop   = fname.getCanonicalPath();
          System.setProperty(CFG_FILE_PROP, prop);

@@ -129,11 +131,14 @@
                  // filter out the loggers that have been added before this test runs
                  returnedLoggerNames.add(logger);
              }
  
          }
-         System.out.println(returnedLoggerNames);
+         System.out.println("# Created loggers are: " +
+                 createdLoggers.stream().map(Logger::getName).toList());
+         System.out.println("# Expected loggers are: " + expectedLoggerNames);
+         System.out.println("# Returned loggers are: " + returnedLoggerNames);
          return checkNames(expectedLoggerNames, returnedLoggerNames, failMsg);
      }
  
      // Returns boolean values: PASSED or FAILED
      private static boolean checkNames(List<String> expNames,