Minor Description
{TestSkewedJoin,TestJoinSmoke}.testSkewedJoinOuter
both with -Dtest.exec.type=spark -Dsparkversion=2
are somehow failing with
"java.lang.ClassNotFoundException: org.apache.pig.backend.hadoop.executionengine.spark.Spark1Shims"
Unable to open iterator for alias C. Backend error : Job aborted. org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias C. Backend error : Job aborted. at org.apache.pig.PigServer.openIterator(PigServer.java:1014) at org.apache.pig.test.TestJoinSmoke.testSkewedJoinOuter(TestJoinSmoke.java:199) Caused by: org.apache.spark.SparkException: Job aborted. at org.apache.spark.internal.io.SparkHadoopWriter$.write(SparkHadoopWriter.scala:100) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopDataset$1.apply$mcV$sp(PairRDDFunctions.scala:1083) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopDataset$1.apply(PairRDDFunctions.scala:1081) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopDataset$1.apply(PairRDDFunctions.scala:1081) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112) at org.apache.spark.rdd.RDD.withScope(RDD.scala:385) at org.apache.spark.rdd.PairRDDFunctions.saveAsNewAPIHadoopDataset(PairRDDFunctions.scala:1081) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopFile$2.apply$mcV$sp(PairRDDFunctions.scala:1000) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopFile$2.apply(PairRDDFunctions.scala:991) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopFile$2.apply(PairRDDFunctions.scala:991) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112) at org.apache.spark.rdd.RDD.withScope(RDD.scala:385) at org.apache.spark.rdd.PairRDDFunctions.saveAsNewAPIHadoopFile(PairRDDFunctions.scala:991) at org.apache.pig.backend.hadoop.executionengine.spark.converter.StoreConverter.convert(StoreConverter.java:99) at org.apache.pig.backend.hadoop.executionengine.spark.converter.StoreConverter.convert(StoreConverter.java:56) at org.apache.pig.backend.hadoop.executionengine.spark.JobGraphBuilder.physicalToRDD(JobGraphBuilder.java:292) at org.apache.pig.backend.hadoop.executionengine.spark.JobGraphBuilder.sparkOperToRDD(JobGraphBuilder.java:182) at org.apache.pig.backend.hadoop.executionengine.spark.JobGraphBuilder.visitSparkOp(JobGraphBuilder.java:112) at org.apache.pig.backend.hadoop.executionengine.spark.plan.SparkOperator.visit(SparkOperator.java:140) at org.apache.pig.backend.hadoop.executionengine.spark.plan.SparkOperator.visit(SparkOperator.java:37) at org.apache.pig.impl.plan.DependencyOrderWalker.walk(DependencyOrderWalker.java:87) at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:46) at org.apache.pig.backend.hadoop.executionengine.spark.SparkLauncher.launchPig(SparkLauncher.java:240) at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:290) at org.apache.pig.PigServer.launchPlan(PigServer.java:1479) at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1464) at org.apache.pig.PigServer.storeEx(PigServer.java:1123) at org.apache.pig.PigServer.store(PigServer.java:1086) at org.apache.pig.PigServer.openIterator(PigServer.java:999) Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 19.0 failed 4 times, most recent failure: Lost task 0.3 in stage 19.0 (TID 26, gsrd466n11.red.ygrid.yahoo.com, executor 2): org.apache.spark.SparkException: Task failed while writing rows at org.apache.spark.internal.io.SparkHadoopWriter$.org$apache$spark$internal$io$SparkHadoopWriter$$executeTask(SparkHadoopWriter.scala:157) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$3.apply(SparkHadoopWriter.scala:83) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$3.apply(SparkHadoopWriter.scala:78) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90) at org.apache.spark.scheduler.Task.run(Task.scala:123) at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:411) at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:417) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.pig.backend.hadoop.executionengine.spark.Spark1Shims at org.apache.pig.backend.hadoop.executionengine.spark.SparkShims.getInstance(SparkShims.java:74) at org.apache.pig.backend.hadoop.executionengine.spark.converter.SkewedJoinConverter$ToValueFunction$Tuple2TransformIterable$1.transform(SkewedJoinConverter.java:215) at org.apache.pig.backend.hadoop.executionengine.spark.converter.SkewedJoinConverter$ToValueFunction$Tuple2TransformIterable$1.transform(SkewedJoinConverter.java:176) at org.apache.pig.backend.hadoop.executionengine.spark.converter.IteratorTransform.next(IteratorTransform.java:37) at scala.collection.convert.Wrappers$JIteratorWrapper.next(Wrappers.scala:43) at scala.collection.Iterator$$anon$11.next(Iterator.scala:410) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$4.apply(SparkHadoopWriter.scala:131) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$4.apply(SparkHadoopWriter.scala:129) at org.apache.spark.util.Utils$.tryWithSafeFinallyAndFailureCallbacks(Utils.scala:1394) at org.apache.spark.internal.io.SparkHadoopWriter$.org$apache$spark$internal$io$SparkHadoopWriter$$executeTask(SparkHadoopWriter.scala:141) Caused by: java.lang.ClassNotFoundException: org.apache.pig.backend.hadoop.executionengine.spark.Spark1Shims at java.lang.ClassLoader.findClass(ClassLoader.java:523) at org.apache.spark.util.ParentClassLoader.findClass(ParentClassLoader.java:35) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at org.apache.spark.util.ParentClassLoader.loadClass(ParentClassLoader.java:40) at org.apache.spark.util.ChildFirstURLClassLoader.loadClass(ChildFirstURLClassLoader.java:48) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at org.apache.pig.backend.hadoop.executionengine.spark.SparkShims.loadShims(SparkShims.java:54) at org.apache.pig.backend.hadoop.executionengine.spark.SparkShims.getInstance(SparkShims.java:72) Driver stacktrace: at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1925) at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1913) at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1912) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48) at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1912) at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:948) at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:948) at scala.Option.foreach(Option.scala:257) at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:948) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:2146) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2095) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2084) at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:49) at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:759) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2067) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2088) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2120) at org.apache.spark.internal.io.SparkHadoopWriter$.write(SparkHadoopWriter.scala:78) Caused by: org.apache.spark.SparkException: Task failed while writing rows at org.apache.spark.internal.io.SparkHadoopWriter$.org$apache$spark$internal$io$SparkHadoopWriter$$executeTask(SparkHadoopWriter.scala:157) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$3.apply(SparkHadoopWriter.scala:83) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$3.apply(SparkHadoopWriter.scala:78) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90) at org.apache.spark.scheduler.Task.run(Task.scala:123) at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:411) at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:417) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.pig.backend.hadoop.executionengine.spark.Spark1Shims at org.apache.pig.backend.hadoop.executionengine.spark.SparkShims.getInstance(SparkShims.java:74) at org.apache.pig.backend.hadoop.executionengine.spark.converter.SkewedJoinConverter$ToValueFunction$Tuple2TransformIterable$1.transform(SkewedJoinConverter.java:215) at org.apache.pig.backend.hadoop.executionengine.spark.converter.SkewedJoinConverter$ToValueFunction$Tuple2TransformIterable$1.transform(SkewedJoinConverter.java:176) at org.apache.pig.backend.hadoop.executionengine.spark.converter.IteratorTransform.next(IteratorTransform.java:37) at scala.collection.convert.Wrappers$JIteratorWrapper.next(Wrappers.scala:43) at scala.collection.Iterator$$anon$11.next(Iterator.scala:410) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$4.apply(SparkHadoopWriter.scala:131) at org.apache.spark.internal.io.SparkHadoopWriter$$anonfun$4.apply(SparkHadoopWriter.scala:129) at org.apache.spark.util.Utils$.tryWithSafeFinallyAndFailureCallbacks(Utils.scala:1394) at org.apache.spark.internal.io.SparkHadoopWriter$.org$apache$spark$internal$io$SparkHadoopWriter$$executeTask(SparkHadoopWriter.scala:141) Caused by: java.lang.ClassNotFoundException: org.apache.pig.backend.hadoop.executionengine.spark.Spark1Shims at java.lang.ClassLoader.findClass(ClassLoader.java:523) at org.apache.spark.util.ParentClassLoader.findClass(ParentClassLoader.java:35) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at org.apache.spark.util.ParentClassLoader.loadClass(ParentClassLoader.java:40) at org.apache.spark.util.ChildFirstURLClassLoader.loadClass(ChildFirstURLClassLoader.java:48) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at org.apache.pig.backend.hadoop.executionengine.spark.SparkShims.loadShims(SparkShims.java:54) at org.apache.pig.backend.hadoop.executionengine.spark.SparkShims.getInstance(SparkShims.java:72) 1.720 TestSkewedJoin testSkewedJoinOuter Error