Github user joshelser commented on the pull request:
https://github.com/apache/phoenix/commit/b5be8d85bfd05aeb3ea17b1c734eda06d914f516#commitcomment-18831881
> UserGroupInformation.getCurrentUser() will not be thread safe.
```
@InterfaceAudience.Public
@InterfaceStability.Evolving
public synchronized
static UserGroupInformation getCurrentUser() throws IOException {
AccessControlContext context = AccessController.getContext();
Subject subject = Subject.getSubject(context);
if (subject == null || subject.getPrincipals(User.class).isEmpty()) {
return getLoginUser();
} else {
return new UserGroupInformation(subject);
}
}
```
Am I missing something, @dbahir?
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