org.apache.spark.SparkException: Job aborted due to stage failure: Task 4 in stage 24.0 failed 1 times, most recent failure: Lost task 4.0 in stage 24.0 (TID 76, localhost): org.apache.spark.api.python.PythonException: Traceback (most recent call last): File "/databricks/spark/python/pyspark/worker.py", line 111, in main process() File "/databricks/spark/python/pyspark/worker.py", line 106, in process serializer.dump_stream(func(split_index, iterator), outfile) File "/databricks/spark/python/pyspark/rdd.py", line 2346, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 2346, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 317, in func return f(iterator) File "/databricks/spark/python/pyspark/rdd.py", line 1776, in combineLocally merger.mergeValues(iterator) File "/databricks/spark/python/pyspark/shuffle.py", line 236, in mergeValues for k, v in iterator: File "<ipython-input-31-4b09041aa30b>", line 1, in <lambda> File "<ipython-input-28-f43debc22073>", line 3, in parseNeighbors File "/databricks/python/lib/python2.7/re.py", line 171, in split return _compile(pattern, flags).split(string, maxsplit) TypeError: expected string or buffer

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    org.apache.spark.SparkException: Job aborted due to stage failure: Task 4 in stage 24.0 failed 1 times, most recent failure: Lost task 4.0 in stage 24.0 (TID 76, localhost): org.apache.spark.api.python.PythonException: Traceback (most recent call last): File "/databricks/spark/python/pyspark/worker.py", line 111, in main process() File "/databricks/spark/python/pyspark/worker.py", line 106, in process serializer.dump_stream(func(split_index, iterator), outfile) File "/databricks/spark/python/pyspark/rdd.py", line 2346, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 2346, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 317, in func return f(iterator) File "/databricks/spark/python/pyspark/rdd.py", line 1776, in combineLocally merger.mergeValues(iterator) File "/databricks/spark/python/pyspark/shuffle.py", line 236, in mergeValues for k, v in iterator: File "<ipython-input-31-4b09041aa30b>", line 1, in <lambda> File "<ipython-input-28-f43debc22073>", line 3, in parseNeighbors File "/databricks/python/lib/python2.7/re.py", line 171, in split return _compile(pattern, flags).split(string, maxsplit) TypeError: expected string or buffer
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    Stack Overflow | 2 years ago | user3279453
    org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 49.0 failed 1 times, most recent failure: Lost task 1.0 in stage 49.0 (TID 99, localhost): org.apache.spark.api.python.PythonException: Traceback (most recent call last): File "C:\Programs\Apache\Spark\spark-1.2.0-bin-hadoop2.4\python\pyspark\worker.py", line 107, in main process() File "C:\Programs\Apache\Spark\spark-1.2.0-bin-hadoop2.4\python\pyspark\worker.py", line 98, in process serializer.dump_stream(func(split_index, iterator), outfile) File "C:\Programs\Apache\Spark\spark-1.2.0-bin-hadoop2.4\python\pyspark\serializers.py", line 231, in dump_stream bytes = self.serializer.dumps(vs) File "C:\Programs\Apache\Spark\spark-1.2.0-bin-hadoop2.4\python\pyspark\serializers.py", line 393, in dumps return cPickle.dumps(obj, 2) PicklingError: Can't pickle <class '__main__.TestClass'>: attribute lookup __main__.TestClass failed
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    org.apache.spark.SparkException: Job aborted due to stage failure: Task 3 in stage 0.0 failed 1 times, most recent failure: Lost task 3.0 in stage 0.0 (TID 3, localhost): org.apache.spark.api.python.PythonException: Traceback (most recent call last): File "/Users/m/workspace/spark-1.2.0-bin-hadoop2.4/python/pyspark/worker.py", line 90, in main command = pickleSer._read_with_length(infile) File "/Users/m/workspace/spark-1.2.0-bin-hadoop2.4/python/pyspark/serializers.py", line 151, in _read_with_length return self.loads(obj) File "/Users/m/workspace/spark-1.2.0-bin-hadoop2.4/python/pyspark/serializers.py", line 396, in loads return cPickle.loads(obj) File "/Users/m/workspace/spark-1.2.0-bin-hadoop2.4/python/pyspark/mllib/__init__.py", line 24, in <module> import numpy ImportError: No module named numpy

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Root Cause Analysis

  1. org.apache.spark.SparkException

    Job aborted due to stage failure: Task 4 in stage 24.0 failed 1 times, most recent failure: Lost task 4.0 in stage 24.0 (TID 76, localhost): org.apache.spark.api.python.PythonException: Traceback (most recent call last): File "/databricks/spark/python/pyspark/worker.py", line 111, in main process() File "/databricks/spark/python/pyspark/worker.py", line 106, in process serializer.dump_stream(func(split_index, iterator), outfile) File "/databricks/spark/python/pyspark/rdd.py", line 2346, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 2346, in pipeline_func return func(split, prev_func(split, iterator)) File "/databricks/spark/python/pyspark/rdd.py", line 317, in func return f(iterator) File "/databricks/spark/python/pyspark/rdd.py", line 1776, in combineLocally merger.mergeValues(iterator) File "/databricks/spark/python/pyspark/shuffle.py", line 236, in mergeValues for k, v in iterator: File "<ipython-input-31-4b09041aa30b>", line 1, in <lambda> File "<ipython-input-28-f43debc22073>", line 3, in parseNeighbors File "/databricks/python/lib/python2.7/re.py", line 171, in split return _compile(pattern, flags).split(string, maxsplit) TypeError: expected string or buffer

    at org.apache.spark.api.python.PythonRunner$$anon$1.read()
  2. Spark
    Executor$TaskRunner.run
    1. org.apache.spark.api.python.PythonRunner$$anon$1.read(PythonRDD.scala:166)
    2. org.apache.spark.api.python.PythonRunner$$anon$1.<init>(PythonRDD.scala:207)
    3. org.apache.spark.api.python.PythonRunner.compute(PythonRDD.scala:125)
    4. org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:70)
    5. org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
    6. org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
    7. org.apache.spark.api.python.PairwiseRDD.compute(PythonRDD.scala:342)
    8. org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306)
    9. org.apache.spark.rdd.RDD.iterator(RDD.scala:270)
    10. org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:79)
    11. org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:46)
    12. org.apache.spark.scheduler.Task.run(Task.scala:96)
    13. org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:222)
    13 frames
  3. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames