diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/DatanodeHttpServer.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/DatanodeHttpServer.java
index 2e46b284ac..0ce327a69e 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/DatanodeHttpServer.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/DatanodeHttpServer.java
@@ -120,6 +120,7 @@ public DatanodeHttpServer(final Configuration conf,
 
     this.infoServer = builder.build();
 
+    this.infoServer.setAttribute(HttpServer2.CONF_CONTEXT_ATTRIBUTE, conf);
     this.infoServer.setAttribute("datanode", datanode);
     this.infoServer.setAttribute(JspHelper.CURRENT_CONF, conf);
     this.infoServer.addServlet(null, "/blockScannerReport",