Nasir Ali created HDFS-13390:
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Summary: AccessControlException for overwrite but not for delete
Key: HDFS-13390
URL: https://issues.apache.org/jira/browse/HDFS-13390
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs
Affects Versions: 2.9.0
Environment: *Environment:*
OS: Centos
PyArrow Version: 0.8.0
Python version: 3.6
HDFS: 2.9
Reporter: Nasir Ali
*Problem:*
I have a file (F-1) saved in HDFS with permissions set to "-rw-r--r--" with
user "cnali". User "nndugudi" cannot overwrite F-1 (vice versa). hdfs.write
will generate following exception:
org.apache.hadoop.security.AccessControlException: Permission denied:
user=nndugudi, access=WRITE,
inode="/cerebralcortex/data/00000000-f81c-44d2-9db8-fea69f468d58/00000000-5087-3d56-ad0e-0b27c3c83182/20171105.gz":cnali:supergroup:-rw-r--r--
However, user "nndugudi" can delete the file without any problem. So why
overwriting file will produce AccessControlException and not the delete method?
*Sample Code*:
File:
[https://github.com/MD2Korg/CerebralCortex/blob/master/cerebralcortex/core/data_manager/raw/stream_handler.py]
LOC: 659-705 (write_hdfs_day_file)
*HDFS Configurations*:
All configurations are set to default. Security is also disabled as of now.
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