LuciferYang commented on pull request #34620:
URL: https://github.com/apache/spark/pull/34620#issuecomment-974663690
@sunchao
I think run
```
mvn clean install -Phadoop-3.2 -Pyarn -Dtest=none
-DwildcardSuites=org.apache.spark.deploy.yarn.YarnShuffleIntegrationSuite
```
can easy reproduce this issue and we should ensure that the
`assembly/target/scala-%s/jars` directory does not exist before executing the
test command, we can clean up the whole project by execute the test commad or
clone a new local code repo, the error stack same as the one in the PR
description:
```
21/11/20 23:00:09.682 main ERROR Client: Application diagnostics message:
User class threw exception: org.apache.spark.SparkException: Job aborted due to
stage failure: Task 0 in stage 0.0 failed 4 times,
most recent failure: Lost task 0.3 in stage 0.0 (TID 6) (localhost executor
1): java.lang.NoClassDefFoundError: breeze/linalg/Matrix
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.spark.util.Utils$.classForName(Utils.scala:216)
at
org.apache.spark.serializer.KryoSerializer$.$anonfun$loadableSparkClasses$1(KryoSerializer.scala:537)
at scala.collection.immutable.List.flatMap(List.scala:366)
at
org.apache.spark.serializer.KryoSerializer$.loadableSparkClasses$lzycompute(KryoSerializer.scala:535)
at
org.apache.spark.serializer.KryoSerializer$.org$apache$spark$serializer$KryoSerializer$$loadableSparkClasses(KryoSerializer.scala:502)
at
org.apache.spark.serializer.KryoSerializer.newKryo(KryoSerializer.scala:226)
at
org.apache.spark.serializer.KryoSerializer$$anon$1.create(KryoSerializer.scala:102)
at
com.esotericsoftware.kryo.pool.KryoPoolQueueImpl.borrow(KryoPoolQueueImpl.java:48)
at
org.apache.spark.serializer.KryoSerializer$PoolWrapper.borrow(KryoSerializer.scala:109)
at
org.apache.spark.serializer.KryoSerializerInstance.borrowKryo(KryoSerializer.scala:346)
at
org.apache.spark.serializer.KryoSerializationStream.<init>(KryoSerializer.scala:266)
at
org.apache.spark.serializer.KryoSerializerInstance.serializeStream(KryoSerializer.scala:432)
at
org.apache.spark.shuffle.ShufflePartitionPairsWriter.open(ShufflePartitionPairsWriter.scala:76)
at
org.apache.spark.shuffle.ShufflePartitionPairsWriter.write(ShufflePartitionPairsWriter.scala:59)
at
org.apache.spark.util.collection.WritablePartitionedIterator.writeNext(WritablePartitionedPairCollection.scala:83)
at
org.apache.spark.util.collection.ExternalSorter.$anonfun$writePartitionedMapOutput$1(ExternalSorter.scala:772)
at
scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1468)
at
org.apache.spark.util.collection.ExternalSorter.writePartitionedMapOutput(ExternalSorter.scala:775)
at
org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:70)
at
org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:59)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:99)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:52)
at org.apache.spark.scheduler.Task.run(Task.scala:136)
at
org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:507)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1468)
at
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:510)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: breeze.linalg.Matrix
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
... 32 more
```
and this pr can fix this issue.
On the other hand, run
```
mvn clean install -Phadoop-2.7 -Pyarn -Dtest=none
-DwildcardSuites=org.apache.spark.deploy.yarn.YarnShuffleIntegrationSuite
```
always successful
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