diff --git a/cpu-affinity/src/main/java/org/apache/bookkeeper/common/util/affinity/impl/CpuAffinityJni.java b/cpu-affinity/src/main/java/org/apache/bookkeeper/common/util/affinity/impl/CpuAffinityJni.java
index ff1efc521cb..30ee325bca4 100644
--- a/cpu-affinity/src/main/java/org/apache/bookkeeper/common/util/affinity/impl/CpuAffinityJni.java
+++ b/cpu-affinity/src/main/java/org/apache/bookkeeper/common/util/affinity/impl/CpuAffinityJni.java
@@ -21,6 +21,7 @@
 package org.apache.bookkeeper.common.util.affinity.impl;
 
 import java.io.IOException;
+
 import lombok.experimental.UtilityClass;
 
 /**