Github user revans2 commented on the pull request:
https://github.com/apache/incubator-storm/pull/210#issuecomment-50544273
For this pull request we work around the JVM issue, by doing what the
Kerberos Login Module does when it logs out, we remove all of the existing
service tickets. This means that each time a new TGT is pushed we have the get
new service tickets again, but the TGT will always be the first ticket in the
private credentials.
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