1 files changed, 7 insertions, 2 deletions
diff --git a/core/src/main/java/org/elasticsearch/monitor/jvm/HotThreads.java b/core/src/main/java/org/elasticsearch/monitor/jvm/HotThreads.java
index 861297f348..bf9a04ed73 100644
--- a/core/src/main/java/org/elasticsearch/monitor/jvm/HotThreads.java
+++ b/core/src/main/java/org/elasticsearch/monitor/jvm/HotThreads.java
@@ -27,7 +27,12 @@ import org.elasticsearch.common.unit.TimeValue;
 import java.lang.management.ManagementFactory;
 import java.lang.management.ThreadInfo;
 import java.lang.management.ThreadMXBean;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -94,7 +99,7 @@ public class HotThreads {
             threadName.equals("Reference Handler")) {
             return true;
         }
-            
+
         for (StackTraceElement frame : threadInfo.getStackTrace()) {
             String className = frame.getClassName();
             String methodName = frame.getMethodName();