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YARN-7721. Fix TestContinuousScheduling fails sporadically with NPE.

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Contributed by Wilfred Spiegelenburg.
This commit is contained in:
prabhujoseph 2019-12-10 14:59:54 +05:30 committed by Prabhu Joseph
parent c4733377d0
commit d4bde134e3
1 changed files with 9 additions and 2 deletions
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11
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestContinuousScheduling.java
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@ -18,7 +18,9 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair;
import com.google.common.base.Supplier;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.NodeId;
@ -383,8 +385,8 @@ public void testFairSchedulerContinuousSchedulingInitTime() throws Exception {
true);
ask1.add(request1);
ask1.add(request2);
scheduler.allocate(id11, ask1, null, new ArrayList<ContainerId>(), null, null,
NULL_UPDATE_REQUESTS);
scheduler.allocate(id11, ask1, null, new ArrayList<ContainerId>(), null,
null, NULL_UPDATE_REQUESTS);
NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
scheduler.handle(nodeEvent1);
@ -393,6 +395,11 @@ public void testFairSchedulerContinuousSchedulingInitTime() throws Exception {
// time
mockClock.tickSec(delayThresholdTimeMs / 1000);
scheduler.attemptScheduling(node);
GenericTestUtils.waitFor(new Supplier<Boolean>() {
public Boolean get() {
return fsAppAttempt.getLastScheduledContainer().size() != 0;
}
}, 10, 4000);
Map<SchedulerRequestKey, Long> lastScheduledContainer =
fsAppAttempt.getLastScheduledContainer();
long initSchedulerTime =