Fetching tokens from insecure cluster throws NPEs
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Key: HDFS-2473
URL: https://issues.apache.org/jira/browse/HDFS-2473
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs client
Affects Versions: 0.20.205.0
Reporter: Daryn Sharp
Priority: Critical
Retrieving tokens from an insecure cluster throws an NPE. This prevents copies
from insecure to secure clusters. The problem is in
{{DFSClient.getDelegationToken()}}. It attempts to set the service and log the
token w/o a null check.
FetchDT will also throw exceptions when fetching tokens from an insecure
cluster.
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