calling fetchdt without a --renewer argument throws NPE
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Key: HDFS-2956
URL: https://issues.apache.org/jira/browse/HDFS-2956
Project: Hadoop HDFS
Issue Type: Bug
Components: security
Affects Versions: 0.24.0
Reporter: Todd Lipcon
If I call "bin/hdfs fetchdt /tmp/mytoken" without a "--renewer foo" argument,
then it will throw a NullPointerException:
Exception in thread "main" java.lang.NullPointerException
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDelegationToken(ClientNamenodeProtocolTranslatorPB.java:830)
this is because getDelegationToken is being called with a null renewer
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