YARN-3846. RM Web UI queue filter is not working for sub queue. Contributed by Mohammad Shahid Khan

(cherry picked from commit 3572ebd738aa5fa8b0906d75fb12cc6cbb991573)

hadoop-yarn-project/CHANGES.txt

@@ -643,6 +643,9 @@ Release 2.8.0 - UNRELEASED
     YARN-3958. TestYarnConfigurationFields should be moved to hadoop-yarn-api
     module. (Varun Saxena via aajisaka)
 
+    YARN-3846. RM Web UI queue filter is not working for sub queue.
+    (Mohammad Shahid Khan via jianhe)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

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

@@ -516,7 +516,10 @@ class CapacitySchedulerPage extends RmView {
           "  $('#cs').bind('select_node.jstree', function(e, data) {",
           "    var q = $('.q', data.rslt.obj).first().text();",
           "    if (q == 'Queue: root') q = '';",
-          "    else q = '^' + q.substr(q.lastIndexOf(':') + 2) + '$';",
+          "    else {",
+          "      q = q.substr(q.lastIndexOf(':') + 2);",
+          "      q = '^' + q.substr(q.lastIndexOf('.') + 1) + '$';",
+          "    }",
           "    $('#apps').dataTable().fnFilter(q, 4, true);",
           "  });",
           "  $('#cs').show();",