You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2020/10/12 17:10:01 UTC
[jira] [Updated] (BEAM-10696) unable to explicitly use element
coder in CombiningValueStateSpec constructor
[ https://issues.apache.org/jira/browse/BEAM-10696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Beam JIRA Bot updated BEAM-10696:
---------------------------------
Labels: stale-P2 (was: )
> unable to explicitly use element coder in CombiningValueStateSpec constructor
> -----------------------------------------------------------------------------
>
> Key: BEAM-10696
> URL: https://issues.apache.org/jira/browse/BEAM-10696
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Heejong Lee
> Priority: P2
> Labels: stale-P2
>
> looks like the example:
> COUNT_STATE = CombiningValueStateSpec('count',
> VarIntCoder(),
> combiners.SumCombineFn())
> in [https://beam.apache.org/blog/timely-processing/] doesn't work because of coder error.
> {code:java}
> Error message from worker: generic::unknown: Traceback (most recent call last):
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 256, in _execute
> response = task()
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 313, in <lambda>
> lambda: self.create_worker().do_instruction(request), request)
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 483, in do_instruction
> getattr(request, request_type), request.instruction_id)
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 518, in process_bundle
> bundle_processor.process_bundle(instruction_id))
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/bundle_processor.py", line 983, in process_bundle
> op.finish()
> File "apache_beam/runners/worker/operations.py", line 697, in apache_beam.runners.worker.operations.DoOperation.finish
> File "apache_beam/runners/worker/operations.py", line 699, in apache_beam.runners.worker.operations.DoOperation.finish
> File "apache_beam/runners/worker/operations.py", line 702, in apache_beam.runners.worker.operations.DoOperation.finish
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/bundle_processor.py", line 775, in commit
> state.commit()
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/bundle_processor.py", line 492, in commit
> self._underlying_bag_state.commit()
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/bundle_processor.py", line 553, in commit
> self._state_key, self._value_coder.get_impl(), self._added_elements)
> File "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/sdk_worker.py", line 1012, in extend
> coder.encode_to_stream(element, out, True)
> File "apache_beam/coders/coder_impl.py", line 777, in apache_beam.coders.coder_impl.VarIntCoderImpl.encode_to_stream
> File "apache_beam/coders/coder_impl.py", line 779, in apache_beam.coders.coder_impl.VarIntCoderImpl.encode_to_stream
> TypeError: an integer is required
> {code}
> The actual element type here was a list of int, not just int.
> The API document mentions that
> {code:java}
> coder (Coder): Coder specifying how to encode the values to be combined.
> May be inferred.
> {code}
> which is seemingly wrong.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)