Could you confirm whether or not you are using --save_main_session when you launch your pipeline?
On Mon, Oct 28, 2019 at 4:59 PM Valentyn Tymofieiev <[email protected]> wrote: > +user@, bcc: dev@ > https://issues.apache.org/jira/browse/BEAM-6158 may be contributing to > this issue, although we saw instances of this bug in exactly opposite > scenarios - when pipeline was defined *in one file*, but not in multiple > files. > > Could you try replacing instances of super() in aggregation_transform.py > as done in https://github.com/apache/beam/pull/9513 and see if this issue > is still reproducible? > > If that doesn't work, I would try to get the dump of serialized_fn, and > try to reproduce the issue in isolated environment, such as: > > form apache_beam.internal import pickler > serialized_fn = "..content.." > pickler.loads(serialized_fn) > > then I would try to trim the doFn in the example to a > minimally-reproducible example. It could be another issue with dill > dependency. > > > On Mon, Oct 28, 2019 at 2:48 PM Rakesh Kumar <[email protected]> wrote: > >> Hi All, >> >> We have noticed a weird intermittent issue on Python3 but we don't run >> into this issue on python2. Sometimes when we are trying to submit the >> pipeline, we get AttributeError (Check the stack trace below). we have >> double-checked and we do find the attribute/methods are present in the >> right module and in right place but somehow the pipeline still complains >> about it. In some cases, we refer methods before their definition. We tried >> to reorder the method definition but that didn't help at all. >> >> We don't see the same issue when the entire pipeline is defined in one >> file. Also, note that this doesn't happen all the time when we submit the >> pipeline, so I feel it is some kind of race condition. When we enable the >> worker recycle logic it happens most of the time when sdk worker is >> recycled. >> >> Some more information about the environment: >> Python version: 3 >> Beam version: 2.16 >> Flink version: 1.8 >> >> *Stack trace: * >> >> - : >> >> TimerException{java.lang.RuntimeException: Failed to finish remote bundle} >> at >> org.apache.flink.streaming.runtime.tasks.SystemProcessingTimeService$RepeatedTriggerTask.run(SystemProcessingTimeService.java:335) >> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) >> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) >> at >> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) >> at >> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >> at java.lang.Thread.run(Thread.java:748) >> Caused by: java.lang.RuntimeException: Failed to finish remote bundle >> at >> org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator$SdkHarnessDoFnRunner.finishBundle(ExecutableStageDoFnOperator.java:667) >> at >> org.apache.beam.runners.core.StatefulDoFnRunner.finishBundle(StatefulDoFnRunner.java:144) >> at >> org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator$2.finishBundle(ExecutableStageDoFnOperator.java:754) >> at >> org.apache.beam.runners.flink.metrics.DoFnRunnerWithMetricsUpdate.finishBundle(DoFnRunnerWithMetricsUpdate.java:86) >> at >> org.apache.beam.runners.core.SimplePushbackSideInputDoFnRunner.finishBundle(SimplePushbackSideInputDoFnRunner.java:118) >> at >> org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.invokeFinishBundle(DoFnOperator.java:750) >> at >> org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.checkInvokeFinishBundleByTime(DoFnOperator.java:744) >> at >> org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.lambda$open$1(DoFnOperator.java:460) >> at >> org.apache.flink.streaming.runtime.tasks.SystemProcessingTimeService$RepeatedTriggerTask.run(SystemProcessingTimeService.java:330) >> ... 7 more >> Caused by: java.util.concurrent.ExecutionException: >> java.lang.RuntimeException: Error received from SDK harness for instruction >> 6: Traceback (most recent call last): >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py", >> line 307, in get >> processor = self.cached_bundle_processors[bundle_descriptor_id].pop() >> IndexError: pop from empty list >> >> During handling of the above exception, another exception occurred: >> >> Traceback (most recent call last): >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/internal/pickler.py", >> line 261, in loads >> return dill.loads(s) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/dill/_dill.py", >> line 317, in loads >> return load(file, ignore) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/dill/_dill.py", >> line 305, in load >> obj = pik.load() >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/dill/_dill.py", >> line 474, in find_class >> return StockUnpickler.find_class(self, module, name) >> *AttributeError: Can't get attribute '_timestamp_keyed_result' on <module >> 'pricingrealtime.aggregation.aggregation_transform' from >> '/srv/testpricingrt/7e5425fc4400bf14e80a98fb13461530c7867891/pricingrealtime/aggregation/aggregation_transform.py'>* >> >> During handling of the above exception, another exception occurred: >> >> Traceback (most recent call last): >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py", >> line 165, in _execute >> response = task() >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py", >> line 198, in <lambda> >> self._execute(lambda: worker.do_instruction(work), work) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py", >> line 351, in do_instruction >> request.instruction_id) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py", >> line 371, in process_bundle >> instruction_id, request.process_bundle_descriptor_reference) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py", >> line 313, in get >> self.data_channel_factory) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 576, in __init__ >> self.ops = self.create_execution_tree(self.process_bundle_descriptor) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 620, in create_execution_tree >> descriptor.transforms, key=topological_height, reverse=True)]) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 619, in <listcomp> >> for transform_id in sorted( >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 544, in wrapper >> result = cache[args] = func(*args) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 603, in get_operation >> in descriptor.transforms[transform_id].outputs.items() >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 602, in <dictcomp> >> for tag, pcoll_id >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 601, in <listcomp> >> tag: [get_operation(op) for op in pcoll_consumers[pcoll_id]] >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 544, in wrapper >> result = cache[args] = func(*args) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 603, in get_operation >> in descriptor.transforms[transform_id].outputs.items() >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 602, in <dictcomp> >> for tag, pcoll_id >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 601, in <listcomp> >> tag: [get_operation(op) for op in pcoll_consumers[pcoll_id]] >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 544, in wrapper >> result = cache[args] = func(*args) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 606, in get_operation >> transform_id, transform_consumers) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 865, in create_operation >> return creator(self, transform_id, transform_proto, payload, >> consumers) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 1108, in create >> serialized_fn, parameter) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/runners/worker/bundle_processor.py", >> line 1146, in _create_pardo_operation >> dofn_data = pickler.loads(serialized_fn) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/apache_beam/internal/pickler.py", >> line 265, in loads >> return dill.loads(s) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/dill/_dill.py", >> line 317, in loads >> return load(file, ignore) >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/dill/_dill.py", >> line 305, in load >> obj = pik.load() >> File >> "/srv/venvs/service/trusty/service_venv_python3.6/lib/python3.6/site-packages/dill/_dill.py", >> line 474, in find_class >> return StockUnpickler.find_class(self, module, name) >> AttributeError: Can't get attribute '_timestamp_keyed_result' on <module >> 'pricingrealtime.aggregation.aggregation_transform' from >> '/srv/testpricingrt/7e5425fc4400bf14e80a98fb13461530c7867891/pricingrealtime/aggregation/aggregation_transform.py'> >> >>
