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https://issues.apache.org/jira/browse/SPARK-32673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17181504#comment-17181504
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Takeshi Yamamuro commented on SPARK-32673:
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could you please show us a example query to reproduce this?
> Pyspark/cloudpickle.py - no module named 'wfdb'
> -----------------------------------------------
>
> Key: SPARK-32673
> URL: https://issues.apache.org/jira/browse/SPARK-32673
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 3.0.0
> Reporter: Sandy Su
> Priority: Major
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> Running Spark in a Databricks notebook.
>
> Ran into this issue when executing a cell:
> (1) Spark Jobs
> SparkException: Job aborted due to stage failure: Task 0 in stage 17.0 failed
> 4 times, most recent failure: Lost task 0.3 in stage 17.0 (TID 68,
> 10.139.64.5, executor 0): org.apache.spark.api.python.PythonException:
> Traceback (most recent call last): File
> "/databricks/spark/python/pyspark/serializers.py", line 177, in
> _read_with_length return self.loads(obj) File
> "/databricks/spark/python/pyspark/serializers.py", line 466, in loads return
> pickle.loads(obj, encoding=encoding) File
> "/databricks/spark/python/pyspark/cloudpickle.py", line 1110, in subimport
> __import__(name) ModuleNotFoundError: No module named 'wfdb' During handling
> of the above exception, another exception occurred: Traceback (most recent
> call last): File "/databricks/spark/python/pyspark/worker.py", line 644, in
> main func, profiler, deserializer, serializer = read_udfs(pickleSer, infile,
> eval_type) File "/databricks/spark/python/pyspark/worker.py", line 463, in
> read_udfs udfs.append(read_single_udf(pickleSer, infile, eval_type,
> runner_conf, udf_index=i)) File "/databricks/spark/python/pyspark/worker.py",
> line 254, in read_single_udf f, return_type = read_command(pickleSer, infile)
> File "/databricks/spark/python/pyspark/worker.py", line 74, in read_command
> command = serializer._read_with_length(file) File
> "/databricks/spark/python/pyspark/serializers.py", line 180, in
> _read_with_length raise SerializationError("Caused by " +
> traceback.format_exc()) pyspark.serializers.SerializationError: Caused by
> Traceback (most recent call last): File
> "/databricks/spark/python/pyspark/serializers.py", line 177, in
> _read_with_length return self.loads(obj) File
> "/databricks/spark/python/pyspark/serializers.py", line 466, in loads return
> pickle.loads(obj, encoding=encoding) File
> "/databricks/spark/python/pyspark/cloudpickle.py", line 1110, in subimport
> __import__(name) ModuleNotFoundError: No module named 'wfdb'
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