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From wan...@apache.org
Subject [33/50] [abbrv] hadoop git commit: YARN-4785. inconsistent value type of the type field for LeafQueueInfo in response of RM REST API.
Date Mon, 21 Mar 2016 20:14:46 GMT
YARN-4785. inconsistent value type of the type field for LeafQueueInfo in response of RM REST
API.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ca8106d2
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ca8106d2
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ca8106d2

Branch: refs/heads/YARN-3368
Commit: ca8106d2dd03458944303d93679daa03b1d82ad5
Parents: f84af8b
Author: Junping Du <junping_du@apache.org>
Authored: Thu Mar 17 09:04:41 2016 -0700
Committer: Junping Du <junping_du@apache.org>
Committed: Thu Mar 17 09:04:41 2016 -0700

----------------------------------------------------------------------
 .../webapp/dao/CapacitySchedulerInfo.java       | 26 +++++++++++++++++---
 .../webapp/TestRMWebServicesCapacitySched.java  |  3 +++
 2 files changed, 25 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/ca8106d2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerInfo.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerInfo.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerInfo.java
index f6332c1..32e4ac5 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerInfo.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerInfo.java
@@ -28,6 +28,9 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @XmlRootElement(name = "capacityScheduler")
 @XmlType(name = "capacityScheduler")
 @XmlAccessorType(XmlAccessType.FIELD)
@@ -86,14 +89,29 @@ public class CapacitySchedulerInfo extends SchedulerInfo {
   }
 
   protected CapacitySchedulerQueueInfoList getQueues(CSQueue parent) {
-    CSQueue parentQueue = parent;
     CapacitySchedulerQueueInfoList queuesInfo =
         new CapacitySchedulerQueueInfoList();
-    for (CSQueue queue : parentQueue.getChildQueues()) {
+    // JAXB marashalling leads to situation where the "type" field injected
+    // for JSON changes from string to array depending on order of printing
+    // Issue gets fixed if all the leaf queues are marshalled before the
+    // non-leaf queues. See YARN-4785 for more details.
+    List<CSQueue> childQueues = new ArrayList<>();
+    List<CSQueue> childLeafQueues = new ArrayList<>();
+    List<CSQueue> childNonLeafQueues = new ArrayList<>();
+    for (CSQueue queue : parent.getChildQueues()) {
+      if (queue instanceof LeafQueue) {
+        childLeafQueues.add(queue);
+      } else {
+        childNonLeafQueues.add(queue);
+      }
+    }
+    childQueues.addAll(childLeafQueues);
+    childQueues.addAll(childNonLeafQueues);
+
+    for (CSQueue queue : childQueues) {
       CapacitySchedulerQueueInfo info;
       if (queue instanceof LeafQueue) {
-        info =
-            new CapacitySchedulerLeafQueueInfo((LeafQueue) queue);
+        info = new CapacitySchedulerLeafQueueInfo((LeafQueue) queue);
       } else {
         info = new CapacitySchedulerQueueInfo(queue);
         info.queues = getQueues(queue);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/ca8106d2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesCapacitySched.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesCapacitySched.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesCapacitySched.java
index 28b1c4f..12f0c8b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesCapacitySched.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesCapacitySched.java
@@ -43,6 +43,7 @@ import org.apache.hadoop.yarn.webapp.WebServicesTestUtils;
 import org.codehaus.jettison.json.JSONArray;
 import org.codehaus.jettison.json.JSONException;
 import org.codehaus.jettison.json.JSONObject;
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.w3c.dom.Document;
@@ -379,6 +380,8 @@ public class TestRMWebServicesCapacitySched extends JerseyTestBase {
         verifySubQueue(obj, q2, qi.absoluteCapacity, qi.absoluteMaxCapacity);
       }
     } else {
+      Assert.assertEquals("\"type\" field is incorrect",
+          "capacitySchedulerLeafQueueInfo", info.getString("type"));
       LeafQueueInfo lqi = (LeafQueueInfo) qi;
       lqi.numActiveApplications = info.getInt("numActiveApplications");
       lqi.numPendingApplications = info.getInt("numPendingApplications");


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