Max Xie created HIVE-25401:
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Summary: Insert overwrite a table which location is on other
cluster fail in kerberos cluster
Key: HIVE-25401
URL: https://issues.apache.org/jira/browse/HIVE-25401
Project: Hive
Issue Type: Bug
Components: Hive
Affects Versions: 3.1.2, 2.3.0
Environment: hive 2.3
hadoop3 cluster with kerberos
Reporter: Max Xie
Attachments: image-2021-07-29-14-25-23-418.png
we have tow hdfs clusters with kerberos security, it means that mapreduce task
need delegation tokens to authenticate namenode when hive on mapreduce run.
Insert overwrite a table which location is on other cluster fail in kerberos
cluster. For example,
# yarn cluster's default fs is hdfs://cluster1
# tb1's location is hdfs://cluster1/tb1
# tb2's location is hdfs://cluster2/tb2
# sql `INSERT OVERWRITE TABLE tb2 SELECT * from tb1` run on yarn cluster
will fail
reduce task error log:
!image-2021-07-29-14-25-23-418.png!
How to fix:
After dig it, web found mapreduce job just obtain delegation tokens for input
files in FileInputFormat. But Hive context get extendal scratchDir base on
table's location, If the table 's location is on other cluster, the delegation
token will not be obtained.
So we need to obtainer delegation tokens for hive scratchDirs before hive
submit mapreduce job.
How to test:
no test
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