# Uses of Class
java.util.concurrent.CompletionException

Packages that use CompletionException
Package
Description
javax.security.auth
This package provides a framework for authentication and authorization.

- ## Uses of CompletionException in javax.security.auth

  Methods in javax.security.auth that throw CompletionException
  Modifier and Type
  Method
  Description
  `static <T> T`
  Subject.`callAs(Subject subject, Callable<T> action)`
  Executes a `Callable` with `subject` as the current subject.