--------------------------------------------------------------------------- Py4JJavaError Traceback (most recent call last) <ipython-input-221-b655e687ccb4> in <module>() 1 from operator import add 2 xtx_data = diamonds.rdd.flatMap(xtx_map).reduceByKey(add).collect() ----> 3 xty_data = diamonds.rdd.flatMap(xty_map).reduceByKey(add).collect() /databricks/spark/python/pyspark/rdd.pyc in collect(self) 806 """ 807 with SCCallSiteSync(self.context) as css: --> 808 port = self.ctx._jvm.PythonRDD.collectAndServe(self._jrdd.rdd()) 809 return list(_load_from_socket(port, self._jrdd_deserializer)) 810 /databricks/spark/python/lib/py4j-0.10.4-src.zip/py4j/java_gateway.py in __call__(self, *args) 1131 answer = self.gateway_client.send_command(command) 1132 return_value = get_return_value( -> 1133 answer, self.gateway_client, self.target_id, self.name) 1134 1135 for temp_arg in temp_args: /databricks/spark/python/pyspark/sql/utils.pyc in deco(*a, **kw) 61 def deco(*a, **kw): 62 try: ---> 63 return f(*a, **kw) 64 except py4j.protocol.Py4JJavaError as e: 65 s = e.java_exception.toString() /databricks/spark/python/lib/py4j-0.10.4-src.zip/py4j/protocol.py in get_return_value(answer, gateway_client, target_id, name) 317 raise Py4JJavaError( 318 "An error occurred while calling {0}{1}{2}.\n". --> 319 format(target_id, ".", name), value) 320 else: 321 raise Py4JError( Py4JJavaError: An error occurred while calling z:org.apache.spark.api.python.PythonRDD.collectAndServe. : org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 132.0 failed 1 times, most recent failure: Lost task 0.0 in stage 132.0 (TID 660, localhost, executor driver): org.apache.spark.api.python.PythonException: Traceback (most recent call last): File "/databricks/spark/python/pyspark/worker.py", line 174, in main process() File "/databricks/spark/python/pyspark/worker.py", line 169, in process serializer.dump_stream(func(split_index, iterator), outfile) File "/databricks/spark/python/pyspark/rdd.py", line 2406, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 2406, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 345, in func return f(iterator) File "/databricks/spark/python/pyspark/rdd.py", line 1827, in combineLocally merger.mergeValues(iterator) File "/databricks/spark/python/pyspark/shuffle.py", line 236, in mergeValues for k, v in iterator: File "<ipython-input-220-9ff3b27d1927>", line 6, in xty_map KeyError: 'zprice' at org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:193) at org.apache.spark.api.python.PythonRunner$$anon$1.<init>(PythonRDD.scala:234) at org.apache.spark.api.python.PythonRunner.compute(PythonRDD.scala:152) at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:63) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323) at org.apache.spark.rdd.RDD.iterator(RDD.scala:287) at org.apache.spark.api.python.PairwiseRDD.compute(PythonRDD.scala:390) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323) at org.apache.spark.rdd.RDD.iterator(RDD.scala:287) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53) at org.apache.spark.scheduler.Task.run(Task.scala:99) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:322) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Driver stacktrace: at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1442) at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1430) at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1429) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1429) at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:803) at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:803) at scala.Option.foreach(Option.scala:236) at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:803) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1657) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1612) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1601) at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48) at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:628) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1926) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1939) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1952) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1966) at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:936) 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:362) at org.apache.spark.rdd.RDD.collect(RDD.scala:935) at org.apache.spark.api.python.PythonRDD$.collectAndServe(PythonRDD.scala:453) at org.apache.spark.api.python.PythonRDD.collectAndServe(PythonRDD.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) at py4j.Gateway.invoke(Gateway.java:280) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:214) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.spark.api.python.PythonException: Traceback (most recent call last): File "/databricks/spark/python/pyspark/worker.py", line 174, in main process() File "/databricks/spark/python/pyspark/worker.py", line 169, in process serializer.dump_stream(func(split_index, iterator), outfile) File "/databricks/spark/python/pyspark/rdd.py", line 2406, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 2406, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 345, in func return f(iterator) File "/databricks/spark/python/pyspark/rdd.py", line 1827, in combineLocally merger.mergeValues(iterator) File "/databricks/spark/python/pyspark/shuffle.py", line 236, in mergeValues for k, v in iterator: File "<ipython-input-220-9ff3b27d1927>", line 6, in xty_map KeyError: 'zprice' at org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:193) at org.apache.spark.api.python.PythonRunner$$anon$1.<init>(PythonRDD.scala:234) at org.apache.spark.api.python.PythonRunner.compute(PythonRDD.scala:152) at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:63) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323) at org.apache.spark.rdd.RDD.iterator(RDD.scala:287) at org.apache.spark.api.python.PairwiseRDD.compute(PythonRDD.scala:390) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323) at org.apache.spark.rdd.RDD.iterator(RDD.scala:287) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53) at org.apache.spark.scheduler.Task.run(Task.scala:99) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:322) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ... 1 more