Github user omkreddy commented on the issue:
https://github.com/apache/storm/pull/2519
@arunmahadevan @HeartSaVioR
Observed below exception while testing Hive token mechanism.
```
Caused by: java.lang.NullPointerException
at
org.apache.storm.common.AbstractAutoCreds.addTokensToUGI(AbstractAutoCreds.java:219)
~[storm-autocreds-1.2.0.3.1.0.0-526.jar:1.2.0.3.1.0.0-526]
at
org.apache.storm.common.AbstractAutoCreds.populateSubject(AbstractAutoCreds.java:118)
~[storm-autocreds-1.2.0.3.1.0.0-526.jar:1.2.0.3.1.0.0-526]
at
org.apache.storm.security.auth.AuthUtils.populateSubject(AuthUtils.java:228)
~[storm-core-1.2.0.3.1.0.0-526.jar:1.2.0.3.1.0.0-526]
... 10 more
2018-01-19 16:23:26.157 o.a.s.util main [ERROR] Halting process: ("Error on
initialization")
```
---
