[SPARK-12466] Harmless Master NPE in tests

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.6.0
• Fix Version/s: 1.6.0, 2.0.0
• Component/s: Deploy, Tests
• Target Version/s: 1.6.1, 2.0.0
• Assignee: Andrew Or
• Reporter: Andrew Or
• Created: 21/Dec/15 19:44
• Updated: 24/Dec/15 13:29
• Resolved: 21/Dec/15 22:11

Description

[info] ReplayListenerSuite:
[info] - Simple replay (58 milliseconds)
java.lang.NullPointerException
	at org.apache.spark.deploy.master.Master$$anonfun$asyncRebuildSparkUI$1.applyOrElse(Master.scala:982)
	at org.apache.spark.deploy.master.Master$$anonfun$asyncRebuildSparkUI$1.applyOrElse(Master.scala:980)
	at scala.concurrent.Future$$anonfun$onSuccess$1.apply(Future.scala:117)
	at scala.concurrent.Future$$anonfun$onSuccess$1.apply(Future.scala:115)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
	at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:293)
	at scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:133)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:40)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:248)
	at scala.concurrent.Promise$class.complete(Promise.scala:55)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:153)
	at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:23)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
[info] - End-to-end replay (10 seconds, 755 milliseconds)

https://amplab.cs.berkeley.edu/jenkins/view/Spark-QA-Test/job/Spark-Master-SBT/4316/AMPLAB_JENKINS_BUILD_PROFILE=hadoop2.2,label=spark-test/consoleFull

caused by https://github.com/apache/spark/pull/10284

Thanks to ted_yu for reporting.

Issue Links

• links to: [Github] Pull Request #10417 (andrewor14)