| Name | Package | Description |
| BrokenBarrierException | edu.emory.mathcs.backport.java.util.concurrent | Exception thrown when a thread tries to wait upon a barrier that is
in a broken state, or which enters the broken state while the thread
is waiting. |
| CancellationException | edu.emory.mathcs.backport.java.util.concurrent | Exception indicating that the result of a value-producing task,
such as a FutureTask , cannot be retrieved because the task
was cancelled. |
| ExecutionException | edu.emory.mathcs.backport.java.util.concurrent | Exception thrown when attempting to retrieve the result of a task
that aborted by throwing an exception. |
| RejectedExecutionException | edu.emory.mathcs.backport.java.util.concurrent | Exception thrown by an Executor when a task cannot be
accepted for execution. |
| TimeoutException | edu.emory.mathcs.backport.java.util.concurrent | Exception thrown when a blocking operation times out. |