YARN-764. blank Used Resources on Capacity Scheduler page (Nemon Lou via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1490387 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -442,6 +442,9 @@ Release 2.1.0-beta - UNRELEASED
     YARN-742. Log aggregation causes a lot of redundant setPermission calls.
     (jlowe via kihwal)
 
+    YARN-764. blank Used Resources on Capacity Scheduler page (Nemon Lou via
+    tgraves)
+
   BREAKDOWN OF HADOOP-8562 SUBTASKS AND RELATED JIRAS
 
     YARN-158. Yarn creating package-info.java must not depend on sh.

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

@@ -23,6 +23,7 @@ import static org.apache.hadoop.yarn.util.StringHelper.join;
 import java.util.ArrayList;
 
 import org.apache.hadoop.util.StringUtils;
+import org.apache.commons.lang.StringEscapeUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
@@ -107,7 +108,7 @@ class CapacitySchedulerPage extends RmView {
           _("Used Capacity:", percent(lqinfo.getUsedCapacity() / 100)).
           _("Absolute Capacity:", percent(lqinfo.getAbsoluteCapacity() / 100)).
           _("Absolute Max Capacity:", percent(lqinfo.getAbsoluteMaxCapacity() / 100)).
-          _("Used Resources:", lqinfo.getUsedResources().toString()).
+          _("Used Resources:", StringEscapeUtils.escapeHtml(lqinfo.getUsedResources().toString())).
           _("Num Active Applications:", Integer.toString(lqinfo.getNumActiveApplications())).
           _("Num Pending Applications:", Integer.toString(lqinfo.getNumPendingApplications())).
           _("Num Containers:", Integer.toString(lqinfo.getNumContainers())).