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Saurabh Bajaj edited comment on ARROW-6150 at 8/6/19 7:12 PM: -------------------------------------------------------------- I tried setting port=8020 in pa.hdfs.connect(), but same intermittent errors. was (Author: sbajaj): I tried setting `port=8020` in `pa.hdfs.connect()`, but same intermittent errors. > [Python] Intermittent HDFS error > -------------------------------- > > Key: ARROW-6150 > URL: https://issues.apache.org/jira/browse/ARROW-6150 > Project: Apache Arrow > Issue Type: Bug > Components: Python > Affects Versions: 0.14.1 > Reporter: Saurabh Bajaj > Priority: Minor > > I'm running a Dask-YARN job that dumps a results dictionary into HDFS (code > shown in traceback below) using PyArrow's HDFS IO library. However, the job > intermittently runs into the error shown below, not every run, only > sometimes. I'm unable to determine the root cause of this issue. > > {{ File "/extractor.py", line 87, in __call__ json.dump(results_dict, > fp=_UTF8Encoder(f), indent=4) File "pyarrow/io.pxi", line 72, in > pyarrow.lib.NativeFile.__exit__ File "pyarrow/io.pxi", line 130, in > pyarrow.lib.NativeFile.close File "pyarrow/error.pxi", line 87, in > pyarrow.lib.check_status pyarrow.lib.ArrowIOError: HDFS CloseFile failed, > errno: 255 (Unknown error 255) Please check that you are connecting to the > correct HDFS RPC port}} -- This message was sent by Atlassian JIRA (v7.6.14#76016)