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https://issues.apache.org/jira/browse/SPARK-4851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15655738#comment-15655738
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Ott Toomet edited comment on SPARK-4851 at 11/11/16 1:15 AM:
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In which version is this fixed? I still get "uninitialized staticmethod
object" when running the example on 2.1.0 snapshot (compiled today, Nov 10th)
was (Author: otoomet):
In which version is this fixed? I still get "uninitialized staticmethod
object" when running on 2.1.0 snapshot (compiled today, Nov 10th)
> "Uninitialized staticmethod object" error in PySpark
> ----------------------------------------------------
>
> Key: SPARK-4851
> URL: https://issues.apache.org/jira/browse/SPARK-4851
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 1.0.2, 1.2.0, 1.3.0
> Reporter: Nadav Grossug
> Priority: Minor
>
> *Reproduction:*
> {code}
> class A:
> @staticmethod
> def foo(self, x):
> return x
> sc.parallelize([1]).map(lambda x: A.foo(x)).count()
> {code}
> This gives
> {code}
> : org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
> in stage 2.0 failed 1 times, most recent failure: Lost task 0.0 in stage 2.0
> (TID 3, localhost): org.apache.spark.api.python.PythonException: Traceback
> (most recent call last):
> File "/Users/joshrosen/Documents/Spark/python/pyspark/worker.py", line 107,
> in main
> process()
> File "/Users/joshrosen/Documents/Spark/python/pyspark/worker.py", line 98,
> in process
> serializer.dump_stream(func(split_index, iterator), outfile)
> File "/Users/joshrosen/Documents/Spark/python/pyspark/rdd.py", line 2070,
> in pipeline_func
> return func(split, prev_func(split, iterator))
> File "/Users/joshrosen/Documents/Spark/python/pyspark/rdd.py", line 2070,
> in pipeline_func
> return func(split, prev_func(split, iterator))
> File "/Users/joshrosen/Documents/Spark/python/pyspark/rdd.py", line 2070,
> in pipeline_func
> return func(split, prev_func(split, iterator))
> File "/Users/joshrosen/Documents/Spark/python/pyspark/rdd.py", line 247, in
> func
> return f(iterator)
> File "/Users/joshrosen/Documents/Spark/python/pyspark/rdd.py", line 818, in
> <lambda>
> return self.mapPartitions(lambda i: [sum(1 for _ in i)]).sum()
> File "/Users/joshrosen/Documents/Spark/python/pyspark/rdd.py", line 818, in
> <genexpr>
> return self.mapPartitions(lambda i: [sum(1 for _ in i)]).sum()
> File "<stdin>", line 1, in <lambda>
> RuntimeError: uninitialized staticmethod object
> at
> org.apache.spark.api.python.PythonRDD$$anon$1.read(PythonRDD.scala:136)
> at
> org.apache.spark.api.python.PythonRDD$$anon$1.<init>(PythonRDD.scala:173)
> at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:95)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:264)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:231)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
> at org.apache.spark.scheduler.Task.run(Task.scala:56)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:183)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745){code}
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