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https://issues.apache.org/jira/browse/BEAM-10020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17548688#comment-17548688
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Danny McCormick commented on BEAM-10020:
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This issue has been migrated to https://github.com/apache/beam/issues/20311
> Java transform executed as Python transform?
> --------------------------------------------
>
> Key: BEAM-10020
> URL: https://issues.apache.org/jira/browse/BEAM-10020
> Project: Beam
> Issue Type: Bug
> Components: jobserver, runner-flink
> Reporter: Pawel Urbanowicz
> Priority: P3
>
> Hey, I created a transform method in Java and now I want to use it in Python
> using Cross-language. I got pretty stuck with the following problem:
> *p*
> *| GenerateSequence(...)*
> *|ExternalTransform(...) => is working like a charm*
>
> *p*
> *| Create(...)*
> *| ExternalTransform(...) => getting assert pardo_payload.do_fn.urn ==
> python_urns.PICKLED_DOFN_INFO*
> Based on [https://www.mail-archive.com/[email protected]/msg04887.html]
> it seems like a Create transform is being registered as a Java transform but
> executed as Python transform.
>
> Traceback (most recent call last): File
> "/Users/urban/projects/beam/sdks/python/apache_beam/io/external/snowflake_test.py",
> line 92, in test_snowflake_write_read self.run_write() File
> "/Users/urban/projects/beam/sdks/python/apache_beam/io/external/snowflake_test.py",
> line 129, in run_write expansion_service=self.expansion_service, File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 528,
> in __exit__ self.run().wait_until_finish() File
> "/Users/urban/projects/beam/sdks/python/apache_beam/testing/test_pipeline.py",
> line 112, in run False if self.not_use_test_runner_api else
> test_runner_api)) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 501,
> in run self._options).run(False) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 858,
> in from_runner_api p.transforms_stack =
> [context.transforms.get_by_id(root_transform_id)] File
> "/Users/urban/projects/beam/sdks/python/apache_beam/runners/pipeline_context.py",
> line 103, in get_by_id self._id_to_proto[id], self._pipeline_context) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 1231,
> in from_runner_api part = context.transforms.get_by_id(transform_id) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/runners/pipeline_context.py",
> line 103, in get_by_id self._id_to_proto[id], self._pipeline_context) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 1231,
> in from_runner_api part = context.transforms.get_by_id(transform_id) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/runners/pipeline_context.py",
> line 103, in get_by_id self._id_to_proto[id], self._pipeline_context) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 1231,
> in from_runner_api part = context.transforms.get_by_id(transform_id) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/runners/pipeline_context.py",
> line 103, in get_by_id self._id_to_proto[id], self._pipeline_context) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 1231,
> in from_runner_api part = context.transforms.get_by_id(transform_id) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/runners/pipeline_context.py",
> line 103, in get_by_id self._id_to_proto[id], self._pipeline_context) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/pipeline.py", line 1170,
> in from_runner_api transform = ptransform.PTransform.from_runner_api(proto,
> context) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/transforms/ptransform.py",
> line 685, in from_runner_api context) File
> "/Users/urban/projects/beam/sdks/python/apache_beam/transforms/core.py", line
> 1380, in from_runner_api_parameter assert pardo_payload.do_fn.urn ==
> python_urns.PICKLED_DOFN_INFO AssertionError
>
>
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