Mingliang Qi created BEAM-7496:
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Summary: python sdk fail to read data from HDFS
Key: BEAM-7496
URL: https://issues.apache.org/jira/browse/BEAM-7496
Project: Beam
Issue Type: Bug
Components: io-python-hadoop
Affects Versions: 2.12.0
Reporter: Mingliang Qi
There was an index bug in hadoopfilesystem.py
[https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/hadoopfilesystem.py#L72]
The end index should not be included according to the inherited function
description:
[https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/filesystemio.py#L47]
This will leads to following Error message duration runtime:
---------------------------
File "/usr/local/lib/python2.7/dist-packages/apache_beam/pipeline.py", line
406, in run
self._options).run(False)
File "/usr/local/lib/python2.7/dist-packages/apache_beam/pipeline.py", line
419, in run
return self.runner.run_pipeline(self, self._options)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/direct/direct_runner.py",
line 132, in run_pipeline
return runner.run_pipeline(pipeline, options)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/portability/fn_api_runner.py",
line 276, in run_pipeline
default_environment=self._default_environment))
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/portability/fn_api_runner.py",
line 280, in run_via_runner_api
return self.run_stages(*self.create_stages(pipeline_proto))
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/portability/fn_api_runner.py",
line 356, in run_stages
stage_context.safe_coders)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/portability/fn_api_runner.py",
line 511, in run_stage
data_input, data_output)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/portability/fn_api_runner.py",
line 1217, in process_bundle
result_future = self._controller.control_handler.push(process_bundle)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/portability/fn_api_runner.py",
line 832, in push
response = self.worker.do_instruction(request)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/worker/sdk_worker.py",
line 312, in do_instruction
request.instruction_id)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/worker/sdk_worker.py",
line 331, in process_bundle
bundle_processor.process_bundle(instruction_id))
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/worker/bundle_processor.py",
line 554, in process_bundle
].process_encoded(data.data)
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/runners/worker/bundle_processor.py",
line 140, in process_encoded
self.output(decoded_value)
File "apache_beam/runners/worker/operations.py", line 245, in
apache_beam.runners.worker.operations.Operation.output
File "apache_beam/runners/worker/operations.py", line 246, in
apache_beam.runners.worker.operations.Operation.output
File "apache_beam/runners/worker/operations.py", line 142, in
apache_beam.runners.worker.operations.SingletonConsumerSet.receive
File "apache_beam/runners/worker/operations.py", line 396, in
apache_beam.runners.worker.operations.ImpulseReadOperation.process
File "apache_beam/runners/worker/operations.py", line 398, in
apache_beam.runners.worker.operations.ImpulseReadOperation.process
File
"/usr/local/lib/python2.7/dist-packages/apache_beam/io/concat_source.py", line
86, in read
range_tracker.sub_range_tracker(source_ix)):
File "/usr/local/lib/python2.7/dist-packages/apache_beam/io/tfrecordio.py",
line 183, in read_records
record = _TFRecordUtil.read_record(file_handle)
File "/usr/local/lib/python2.7/dist-packages/apache_beam/io/tfrecordio.py",
line 123, in read_record
buf = file_handle.read(buf_length_expected)
File "/usr/local/lib/python2.7/dist-packages/apache_beam/io/filesystem.py",
line 261, in read
self._fetch_to_internal_buffer(num_bytes)
File "/usr/local/lib/python2.7/dist-packages/apache_beam/io/filesystem.py",
line 210, in _fetch_to_internal_buffer
buf = self._file.read(self._read_size)
File "/usr/local/lib/python2.7/dist-packages/apache_beam/io/filesystemio.py",
line 112, in readinto
b[:len(data)] = data
ValueError: cannot modify size of memoryview object
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