Arpit Gupta created HADOOP-8878:
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Summary: uppercase hostname causes hadoop dfs calls with webhdfs
filesystem to fail
Key: HADOOP-8878
URL: https://issues.apache.org/jira/browse/HADOOP-8878
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 1.0.3, 1.1.0, 1.2.0
Reporter: Arpit Gupta
Assignee: Arpit Gupta
This was noticed on a secure cluster where the namenode had an upper case
hostname and the following command was issued
hadoop dfs -ls webhdfs://NN:PORT/PATH
the above command failed because delegation token retrieval failed.
Upon looking at the kerberos logs it was determined that we tried to get the
ticket for kerberos principal with upper case hostnames and that host did not
exit in kerberos. We should convert the hostnames to lower case. Take a look at
HADOOP-7988 where the same fix was applied on a different class.
I have noticed this issue exists on branch-1. Will investigate trunk and
branch-2 and update accordingly.
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