Jing Zhao created HADOOP-10017:
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Summary: Fix NPE in DFSClient#getDelegationToken when doing Distcp
from a secured cluster to an insecured cluster
Key: HADOOP-10017
URL: https://issues.apache.org/jira/browse/HADOOP-10017
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 2.1.1-beta, 3.0.0
Reporter: Jing Zhao
Assignee: Haohui Mai
Currently if we run Distcp from a secured cluster and copy data to an insecured
cluster, DFSClient#getDelegationToken will throw NPE when processing the NULL
token returned by the NN in the insecured cluster. We should be able to handle
the NULL token here.
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