From 86368cc7667adfe224df77b039c2ffe8de7f889a Mon Sep 17 00:00:00 2001
From: Daniel Templeton <templedf@apache.org>
Date: Mon, 12 Jun 2017 09:42:16 -0700
Subject: [PATCH] HADOOP-14310. RolloverSignerSecretProvider.LOG should be
 @VisibleForTesting (Contributed by Arun Shanmugam Kumar via Daniel Templeton)

---
 hadoop-common-project/hadoop-auth/pom.xml                    | 5 +++++
 .../authentication/util/RolloverSignerSecretProvider.java    | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/hadoop-common-project/hadoop-auth/pom.xml b/hadoop-common-project/hadoop-auth/pom.xml
index f608daa675..61bc8b4742 100644
--- a/hadoop-common-project/hadoop-auth/pom.xml
+++ b/hadoop-common-project/hadoop-auth/pom.xml
@@ -181,6 +181,11 @@
       <version>${apacheds.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <scope>compile</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/RolloverSignerSecretProvider.java b/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/RolloverSignerSecretProvider.java
index 66b2fde71a..e516b5b76a 100644
--- a/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/RolloverSignerSecretProvider.java
+++ b/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/RolloverSignerSecretProvider.java
@@ -18,6 +18,7 @@
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import javax.servlet.ServletContext;
+import com.google.common.annotations.VisibleForTesting;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.slf4j.Logger;
@@ -38,6 +39,7 @@
 public abstract class RolloverSignerSecretProvider
     extends SignerSecretProvider {
 
+  @VisibleForTesting
   static Logger LOG = LoggerFactory.getLogger(
     RolloverSignerSecretProvider.class);
   /**