Part of twisted.internet View Source
Maintainer: Itamar Shtull-Trauring
| Class | BindError | An error occurred binding to an interface | 
| Class | CannotListenError | This gets raised by a call to startListening, when the object cannot start listening. | 
| Class | MulticastJoinError | An attempt to join a multicast group failed. | 
| Class | MessageLengthError | Message is too long to send | 
| Class | DNSLookupError | DNS lookup failed | 
| Class | ConnectInProgressError | A connect operation was started and isn't done yet. | 
| Class | ConnectError | An error occurred while connecting | 
| Class | ConnectBindError | Couldn't bind | 
| Class | UnknownHostError | Hostname couldn't be looked up | 
| Class | NoRouteError | No route to host | 
| Class | ConnectionRefusedError | Connection was refused by other side | 
| Class | TCPTimedOutError | TCP connection timed out | 
| Class | BadFileError | File used for UNIX socket is no good | 
| Class | ServiceNameUnknownError | Service name given as port is unknown | 
| Class | UserError | User aborted connection | 
| Class | TimeoutError | User timeout caused connection failure | 
| Class | SSLError | An SSL error occurred | 
| Class | VerifyError | Could not verify something that was supposed to be signed. | 
| Class | PeerVerifyError | The peer rejected our verify error. | 
| Class | CertificateError | We did not find a certificate where we expected to find one. | 
| Function | getConnectError | Given a socket exception, return connection error. | 
| Class | ConnectionClosed | Connection was closed, whether cleanly or non-cleanly. | 
| Class | ConnectionLost | Connection to the other side was lost in a non-clean fashion | 
| Class | ConnectionDone | Connection was closed cleanly | 
| Class | ConnectionFdescWentAway | Uh | 
| Class | AlreadyCalled | Tried to cancel an already-called event | 
| Class | AlreadyCancelled | Tried to cancel an already-cancelled event | 
| Class | PotentialZombieWarning | Emitted when IReactorProcess.spawnProcess
is called in a way which may | 
  
| Class | ProcessDone | A process has ended without apparent errors | 
| Class | ProcessTerminated | A process has ended with a probable error condition | 
| Class | ProcessExitedAlready | The process has already exited and the operation requested can no longer | 
| Class | NotConnectingError | The Connector was not connecting when it was asked to stop connecting | 
| Class | NotListeningError | The Port was not listening when it was asked to stop listening | 
| Class | ReactorNotRunning | Error raised when trying to stop a reactor which is not running. | 
| Class | ReactorAlreadyRunning | Error raised when trying to start the reactor multiple times. |