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YARN-4785. inconsistent value type of the type field for LeafQueueInfo in response of RM REST API. 

(cherry picked from commit ca8106d2dd)
(cherry picked from commit 66257613b4)
This commit is contained in:
Junping Du 2016-03-17 09:04:41 -07:00
parent 73ab502271
commit 52ce763a54
2 changed files with 25 additions and 4 deletions
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26
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
View File

@ -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);

3
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesCapacitySched.java
View File

@ -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");