Davies Liu created SPARK-13406: ---------------------------------- Summary: NPE in LazilyGeneratedOrdering Key: SPARK-13406 URL: https://issues.apache.org/jira/browse/SPARK-13406 Project: Spark Issue Type: Improvement Components: SQL Reporter: Davies Liu Assignee: Josh Rosen
{code} File "/Users/davies/work/spark/python/lib/pyspark.zip/pyspark/sql/dataframe.py", line ?, in pyspark.sql.dataframe.DataFrameStatFunctions.sampleBy Failed example: sampled.groupBy("key").count().orderBy("key").show() Exception raised: Traceback (most recent call last): File "//anaconda/lib/python2.7/doctest.py", line 1315, in __run compileflags, 1) in test.globs File "<doctest pyspark.sql.dataframe.DataFrameStatFunctions.sampleBy[3]>", line 1, in <module> sampled.groupBy("key").count().orderBy("key").show() File "/Users/davies/work/spark/python/lib/pyspark.zip/pyspark/sql/dataframe.py", line 217, in show print(self._jdf.showString(n, truncate)) File "/Users/davies/work/spark/python/lib/py4j-0.9.1-src.zip/py4j/java_gateway.py", line 835, in __call__ answer, self.gateway_client, self.target_id, self.name) File "/Users/davies/work/spark/python/lib/pyspark.zip/pyspark/sql/utils.py", line 45, in deco return f(*a, **kw) File "/Users/davies/work/spark/python/lib/py4j-0.9.1-src.zip/py4j/protocol.py", line 310, in get_return_value format(target_id, ".", name), value) Py4JJavaError: An error occurred while calling o681.showString. : org.apache.spark.SparkDriverExecutionException: Execution error at org.apache.spark.scheduler.DAGScheduler.handleTaskCompletion(DAGScheduler.scala:1189) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1658) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1620) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1609) at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48) at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:623) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1782) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1845) at org.apache.spark.rdd.RDD$$anonfun$reduce$1.apply(RDD.scala:937) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:111) at org.apache.spark.rdd.RDD.withScope(RDD.scala:323) at org.apache.spark.rdd.RDD.reduce(RDD.scala:919) at org.apache.spark.rdd.RDD$$anonfun$takeOrdered$1.apply(RDD.scala:1318) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:150) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:111) at org.apache.spark.rdd.RDD.withScope(RDD.scala:323) at org.apache.spark.rdd.RDD.takeOrdered(RDD.scala:1305) at org.apache.spark.sql.execution.TakeOrderedAndProject.executeCollect(limit.scala:94) at org.apache.spark.sql.execution.SparkPlan.executeCollectPublic(SparkPlan.scala:157) at org.apache.spark.sql.DataFrame$$anonfun$org$apache$spark$sql$DataFrame$$execute$1$1.apply(DataFrame.scala:1520) at org.apache.spark.sql.DataFrame$$anonfun$org$apache$spark$sql$DataFrame$$execute$1$1.apply(DataFrame.scala:1520) at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:53) at org.apache.spark.sql.DataFrame.withNewExecutionId(DataFrame.scala:1769) at org.apache.spark.sql.DataFrame.org$apache$spark$sql$DataFrame$$execute$1(DataFrame.scala:1519) at org.apache.spark.sql.DataFrame.org$apache$spark$sql$DataFrame$$collect(DataFrame.scala:1526) at org.apache.spark.sql.DataFrame$$anonfun$head$1.apply(DataFrame.scala:1396) at org.apache.spark.sql.DataFrame$$anonfun$head$1.apply(DataFrame.scala:1395) at org.apache.spark.sql.DataFrame.withCallback(DataFrame.scala:1782) at org.apache.spark.sql.DataFrame.head(DataFrame.scala:1395) at org.apache.spark.sql.DataFrame.take(DataFrame.scala:1477) at org.apache.spark.sql.DataFrame.showString(DataFrame.scala:167) at sun.reflect.GeneratedMethodAccessor63.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381) at py4j.Gateway.invoke(Gateway.java:290) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:209) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.spark.sql.catalyst.expressions.codegen.LazilyGeneratedOrdering.compare(GenerateOrdering.scala:157) at org.apache.spark.sql.catalyst.expressions.codegen.LazilyGeneratedOrdering.compare(GenerateOrdering.scala:148) at scala.math.Ordering$$anon$4.compare(Ordering.scala:111) at java.util.PriorityQueue.siftUpUsingComparator(PriorityQueue.java:649) at java.util.PriorityQueue.siftUp(PriorityQueue.java:627) at java.util.PriorityQueue.offer(PriorityQueue.java:329) at org.apache.spark.util.BoundedPriorityQueue.$plus$eq(BoundedPriorityQueue.scala:47) at org.apache.spark.util.BoundedPriorityQueue$$anonfun$$plus$plus$eq$1.apply(BoundedPriorityQueue.scala:41) at org.apache.spark.util.BoundedPriorityQueue$$anonfun$$plus$plus$eq$1.apply(BoundedPriorityQueue.scala:41) at scala.collection.Iterator$class.foreach(Iterator.scala:742) at scala.collection.AbstractIterator.foreach(Iterator.scala:1194) at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) at org.apache.spark.util.BoundedPriorityQueue.foreach(BoundedPriorityQueue.scala:31) at org.apache.spark.util.BoundedPriorityQueue.$plus$plus$eq(BoundedPriorityQueue.scala:41) at org.apache.spark.rdd.RDD$$anonfun$takeOrdered$1$$anonfun$apply$46.apply(RDD.scala:1319) at org.apache.spark.rdd.RDD$$anonfun$takeOrdered$1$$anonfun$apply$46.apply(RDD.scala:1318) at org.apache.spark.rdd.RDD$$anonfun$reduce$1$$anonfun$15.apply(RDD.scala:932) at org.apache.spark.rdd.RDD$$anonfun$reduce$1$$anonfun$15.apply(RDD.scala:929) at org.apache.spark.scheduler.JobWaiter.taskSucceeded(JobWaiter.scala:57) at org.apache.spark.scheduler.DAGScheduler.handleTaskCompletion(DAGScheduler.scala:1185) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1658) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1620) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1609) at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48) {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org