Cheng Lian created SPARK-3013: --------------------------------- Summary: Doctest of inferSchema in Spark SQL Python API fails Key: SPARK-3013 URL: https://issues.apache.org/jira/browse/SPARK-3013 Project: Spark Issue Type: Bug Components: SQL Affects Versions: 1.0.2 Reporter: Cheng Lian Priority: Blocker
Doctest of `inferSchema` in `sql.py` keeps failing and makes Jenkins crazy: {code} File "/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/sql.py", line 1021, in pyspark.sql.SQLContext.inferSchema Failed example: srdd.collect() Exception raised: Traceback (most recent call last): File "/usr/lib64/python2.6/doctest.py", line 1253, in __run compileflags, 1) in test.globs File "<doctest pyspark.sql.SQLContext.inferSchema[6]>", line 1, in <module> srdd.collect() File "/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/sql.py", line 1613, in collect rows = RDD.collect(self) File "/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/rdd.py", line 724, in collect bytesInJava = self._jrdd.collect().iterator() File "/home/jenkins/workspace/SparkPullRequestBuilder/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py", line 538, in __call__ self.target_id, self.name) File "/home/jenkins/workspace/SparkPullRequestBuilder/python/lib/py4j-0.8.2.1-src.zip/py4j/protocol.py", line 300, in get_return_value format(target_id, '.', name), value) Py4JJavaError: An error occurred while calling o399.collect. : org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 35.0 failed 1 times, most recent failure: Lost task 1.0 in stage 35.0 (TID 72, localhost): java.lang.ClassCastException: java.lang.String cannot be cast to java.util.ArrayList net.razorvine.pickle.objects.ArrayConstructor.construct(ArrayConstructor.java:33) net.razorvine.pickle.Unpickler.load_reduce(Unpickler.java:617) net.razorvine.pickle.Unpickler.dispatch(Unpickler.java:170) net.razorvine.pickle.Unpickler.load(Unpickler.java:84) net.razorvine.pickle.Unpickler.loads(Unpickler.java:97) org.apache.spark.api.python.PythonRDD$$anonfun$pythonToJavaArray$1$$anonfun$apply$4.apply(PythonRDD.scala:722) org.apache.spark.api.python.PythonRDD$$anonfun$pythonToJavaArray$1$$anonfun$apply$4.apply(PythonRDD.scala:721) scala.collection.Iterator$$anon$13.hasNext(Iterator.scala:371) scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) scala.collection.Iterator$GroupedIterator.fill(Iterator.scala:966) scala.collection.Iterator$GroupedIterator.hasNext(Iterator.scala:972) scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) scala.collection.Iterator$class.foreach(Iterator.scala:727) scala.collection.AbstractIterator.foreach(Iterator.scala:1157) scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273) scala.collection.AbstractIterator.to(Iterator.scala:1157) scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) scala.collection.AbstractIterator.toArray(Iterator.scala:1157) org.apache.spark.rdd.RDD$$anonfun$16.apply(RDD.scala:774) org.apache.spark.rdd.RDD$$anonfun$16.apply(RDD.scala:774) org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1121) org.apache.spark.SparkContext$$anonfun$runJob$4.apply(SparkContext.scala:1121) org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:62) org.apache.spark.scheduler.Task.run(Task.scala:54) org.apache.spark.executSLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. or.Executor$TaskRunner.run(Executor.scala:199) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) java.lang.Thread.run(Thread.java:745) Driver stacktrace: at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1153) at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1142) at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1141) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1141) at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:682) at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:682) at scala.Option.foreach(Option.scala:236) at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:682) at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1359) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498) at akka.actor.ActorCell.invoke(ActorCell.scala:456) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237) at akka.dispatch.Mailbox.run(Mailbox.scala:219) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) {code} One of the failed builds can be found [here|https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/18437/consoleFull]. -- This message was sent by Atlassian JIRA (v6.2#6252) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org