Atlassian Embedded Crowd - API
| CommunicationException | A specific extension of the Runtime OperationFailedException that is thrown when the host application is unable to communicate with the remote User Directory. |
| CrowdRuntimeException | CrowdRuntimeException is the superclass of Crowd-specific exceptions that may be thrown but not
necessarily caught. |
| GroupNotFoundException | Thrown when the specified group could not be found. |
| MembershipNotFoundException | Used to denote that a particular USER-GROUP or GROUP-GROUP membership does not exist. |
| OperationFailedException | Thrown when an operation failed for some reason. |
| UserNotFoundException | Thrown when the user is not found. |