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https://issues.apache.org/jira/browse/BEAM-11497?focusedWorklogId=534973&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-534973
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ASF GitHub Bot logged work on BEAM-11497:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 12/Jan/21 18:53
Start Date: 12/Jan/21 18:53
Worklog Time Spent: 10m
Work Description: pabloem commented on pull request #13734:
URL: https://github.com/apache/beam/pull/13734#issuecomment-758864792
Run Python 3.8 PostCommit
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Issue Time Tracking
-------------------
Worklog Id: (was: 534973)
Time Spent: 50m (was: 40m)
> Division By Zero errors being thrown by new BQ Source
> -----------------------------------------------------
>
> Key: BEAM-11497
> URL: https://issues.apache.org/jira/browse/BEAM-11497
> Project: Beam
> Issue Type: Improvement
> Components: io-py-gcp, runner-dataflow
> Reporter: Pablo Estrada
> Assignee: Pablo Estrada
> Priority: P2
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Users are reporting issues with the BQ Source, where division by zero errors
> are being reported by Beam. A stack trace:
> {code:java}
> Log: [1] An exception was raised when trying to execute the workitem
> 2053702133423558223 : Traceback (most recent call last): File
> "/usr/local/lib/python3.7/site-packages/dataflow_worker/batchworker.py", line
> 649, in do_work work_executor.execute() File
> "/usr/local/lib/python3.7/site-packages/dataflow_worker/executor.py", line
> 179, in execute op.start() File "dataflow_worker/native_operations.py", line
> 38, in dataflow_worker.native_operations.NativeReadOperation.start File
> "dataflow_worker/native_operations.py", line 39, in
> dataflow_worker.native_operations.NativeReadOperation.start File
> "dataflow_worker/native_operations.py", line 44, in
> dataflow_worker.native_operations.NativeReadOperation.start File
> "dataflow_worker/native_operations.py", line 48, in
> dataflow_worker.native_operations.NativeReadOperation.start File
> "/usr/local/lib/python3.7/site-packages/dataflow_worker/workercustomsources.py",
> line 69, in iter self._source.start_position, self._source.stop_position)
> File
> "/usr/local/lib/python3.7/site-packages/apache_beam/io/concat_source.py",
> line 78, in get_range_tracker start_position, stop_position,
> self._source_bundles) File
> "/usr/local/lib/python3.7/site-packages/apache_beam/io/concat_source.py",
> line 131, in init
> self._compute_cumulative_weights(source_bundles[start[0]:last]) + [1] * File
> "/usr/local/lib/python3.7/site-packages/apache_beam/io/concat_source.py",
> line 154, in _compute_cumulative_weights running_total.append(max(min_diff,
> min(1, running_total[-1] + w / total))) ZeroDivisionError: flo
> {code}
>
> I am suspecting this issue: https://issues.apache.org/jira/browse/BEAM-2716
> [|https://issues.apache.org/jira/secure/AddComment!default.jspa?id=13341887]
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