[ https://issues.apache.org/jira/browse/BEAM-12847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Miren Esnaola updated BEAM-12847: --------------------------------- Priority: P2 (was: P3) > Error running Top transform in Dataflow > --------------------------------------- > > Key: BEAM-12847 > URL: https://issues.apache.org/jira/browse/BEAM-12847 > Project: Beam > Issue Type: Bug > Components: runner-dataflow > Affects Versions: 2.32.0 > Reporter: Miren Esnaola > Assignee: Valentyn Tymofieiev > Priority: P2 > > When running the following transform in Dataflow (the problem does not happen > with the direct running)... I is a streaming pipeline where I am using a > SlidingWindow. > {code:java} > beam.combiners.Top.Of(n=10, key=lambda item: item[1]).without_defaults() > {code} > > I am getting an 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 284, in _execute response = task() File > "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/sdk_worker.py", > line 357, 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 602, 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 639, 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 994, in process_bundle element.data) File > "/usr/local/lib/python3.7/site-packages/apache_beam/runners/worker/bundle_processor.py", > line 222, in process_encoded self.output(decoded_value) File > "apache_beam/runners/worker/operations.py", line 351, in > apache_beam.runners.worker.operations.Operation.output File > "apache_beam/runners/worker/operations.py", line 353, in > apache_beam.runners.worker.operations.Operation.output File > "apache_beam/runners/worker/operations.py", line 215, in > apache_beam.runners.worker.operations.SingletonConsumerSet.receive File > "apache_beam/runners/worker/operations.py", line 921, in > apache_beam.runners.worker.operations.CombineOperation.process File > "apache_beam/runners/worker/operations.py", line 925, in > apache_beam.runners.worker.operations.CombineOperation.process File > "/usr/local/lib/python3.7/site-packages/apache_beam/transforms/combiners.py", > line 835, in extract_only return self.combine_fn.extract_output(accumulator) > File > "/usr/local/lib/python3.7/site-packages/apache_beam/transforms/combiners.py", > line 502, in extract_output heap.sort(reverse=True) File > "apache_beam/transforms/cy_combiners.py", line 389, in > apache_beam.transforms.cy_combiners.ComparableValue.__lt__ AssertionError > passed through: ==> > dist_proc/dax/workflow/worker/fnapi_service_impl.cc:644{code} > > {{What might be the cause of this issue?}} > -- This message was sent by Atlassian Jira (v8.20.1#820001)