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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/10/23 22:33:00 UTC
[jira] [Work logged] (BEAM-8451) Interactive Beam example failing
from stack overflow
[ https://issues.apache.org/jira/browse/BEAM-8451?focusedWorklogId=332941&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-332941 ]
ASF GitHub Bot logged work on BEAM-8451:
----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Oct/19 22:32
Start Date: 23/Oct/19 22:32
Worklog Time Spent: 10m
Work Description: chunyang commented on pull request #9865: [BEAM-8451] Fix interactive beam max recursion err
URL: https://github.com/apache/beam/pull/9865
When a pipeline contains a PTransform which passes through its input PCollection during `expand()`, the `PipelineInfo` object may run into an infinite recursion error while constructing the derivation for said PCollection.
This PR prevents the infinite recursion by not marking a transform as a producer of PCollection if that PCollection is also an input to the transform.
I've added a test for this, but without the fix, the test does not fail 100% of the time--it's dependent on the ordering of transforms in the Pipeline proto. Any advice on how to test this better is appreciated.
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 332941)
Remaining Estimate: 0h
Time Spent: 10m
> Interactive Beam example failing from stack overflow
> ----------------------------------------------------
>
> Key: BEAM-8451
> URL: https://issues.apache.org/jira/browse/BEAM-8451
> Project: Beam
> Issue Type: Bug
> Components: examples-python, runner-py-interactive
> Reporter: Igor Durovic
> Assignee: Igor Durovic
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
>
> RecursionError: maximum recursion depth exceeded in __instancecheck__
> at [https://github.com/apache/beam/blob/master/sdks/python/apache_beam/runners/interactive/pipeline_analyzer.py#L405]
>
> This occurred after the execution of the last cell in [https://github.com/apache/beam/blob/master/sdks/python/apache_beam/runners/interactive/examples/Interactive%20Beam%20Example.ipynb]
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