HADOOP-9907. Webapp http://hostname:port/metrics link is not working. (aajisaka)

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -788,6 +788,9 @@ Release 2.7.0 - UNRELEASED
     HADOOP-11316. "mvn package -Pdist,docs -DskipTests -Dtar" fails because
     of non-ascii characters. (ozawa)
 
+    HADOOP-9907. Webapp http://hostname:port/metrics link is not working.
+    (aajisaka)
+
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/NavBlock.java

@@ -83,6 +83,6 @@ public class NavBlock extends HtmlBlock {
         li().a("/conf", "Configuration")._().
         li().a("/logs", "Local logs")._().
         li().a("/stacks", "Server stacks")._().
-        li().a("/metrics", "Server metrics")._()._()._();
+        li().a("/jmx?qry=Hadoop:*", "Server metrics")._()._()._();
   }
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/webapp/HsNavBlock.java

@@ -70,6 +70,6 @@ public class HsNavBlock extends HtmlBlock {
           li().a("/conf", "Configuration")._().
           li().a("/logs", "Local logs")._().
           li().a("/stacks", "Server stacks")._().
-          li().a("/metrics", "Server metrics")._()._()._();
+          li().a("/jmx?qry=Hadoop:*", "Server metrics")._()._()._();
   }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/view/NavBlock.java

@@ -36,6 +36,6 @@ public class NavBlock extends HtmlBlock {
           li().a("/conf", "Configuration")._().
           li().a("/stacks", "Thread dump")._().
           li().a("/logs", "Logs")._().
-          li().a("/metrics", "Metrics")._()._()._();
+          li().a("/jmx?qry=Hadoop:*", "Metrics")._()._()._();
   }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/NavBlock.java

@@ -59,7 +59,7 @@ public class NavBlock extends HtmlBlock implements YarnWebParams {
           .li().a("/conf", "Configuration")._()
           .li().a("/logs", "Local logs")._()
           .li().a("/stacks", "Server stacks")._()
-          .li().a("/metrics", "Server metrics")._()._()._();
+          .li().a("/jmx?qry=Hadoop:*", "Server metrics")._()._()._();
   }
 
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/NavBlock.java

@@ -51,6 +51,6 @@ public class NavBlock extends HtmlBlock {
           li().a("/conf", "Configuration")._().
           li().a("/logs", "Local logs")._().
           li().a("/stacks", "Server stacks")._().
-          li().a("/metrics", "Server metrics")._()._()._();
+          li().a("/jmx?qry=Hadoop:*", "Server metrics")._()._()._();
   }
 }