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In HDFS on Oracle Big Data Appliance getting "Could Not Open File For Appending (hadoop.hdfs.protocol.AlreadyBeingCreatedException)" (Doc ID 2121747.1)

Last updated on DECEMBER 27, 2019

Applies to:

Big Data Appliance Integrated Software - Version 4.3.0 and later
Linux x86-64


NOTE: In the examples that follow, user details, cluster names, hostnames, directory paths, filenames, etc. represent a fictitious sample (and are used to provide an illustrative example only). Any similarity to actual persons, or entities, living or dead, is purely coincidental and not intended in any manner.

When we run the Abinitio (ETL tools) ingest Job, it fails with below error intermittently, for example it may fail 1 in 10 times that it is run:

could not open phase-log file for appending hadoop.hdfs.protocol.AlreadyBeingCreatedException) : Failed to create file <FILE> for [DFSClient_NONMAPREDUCE_-<ID>] for client <CLIENT_IP_ADDRESS>, because this file is already being created by [DFSClient_NONMAPREDUCE_<ID>] on <CLIENT_IP_ADDRESS>



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