你当前正在访问 Microsoft Azure Global Edition 技术文档网站。 如果需要访问由世纪互联运营的 Microsoft Azure 中国技术文档网站，请访问 https://docs.azure.cn。

exceptions Module

Classes

AutoLockRenewFailed	An attempt to renew a lock on a message or session in the background has failed.
AutoLockRenewTimeout	The time allocated to renew the message or session lock has elapsed.
MessageAlreadySettled	Failed to settle the message. An attempt was made to complete an operation on a message that has already been settled (completed, abandoned, dead-lettered or deferred).
MessageLockLostError	The lock on the message is lost. Callers should call attempt to receive and process the message again.
MessageNotFoundError	The requested message was not found. Attempt to receive a message with a particular sequence number. This message isn't found. Make sure the message hasn't been received already. Check the deadletter queue to see if the message has been deadlettered.
MessageSizeExceededError	Message content is larger than the service bus frame size.
MessagingEntityAlreadyExistsError	An entity with the same name exists under the same namespace.
MessagingEntityDisabledError	The Messaging Entity is disabled. Enable the entity again using Portal.
MessagingEntityNotFoundError	A Service Bus resource cannot be found by the Service Bus service. Entity associated with the operation doesn't exist or it has been deleted. Please make sure the entity exists.
OperationTimeoutError	Operation timed out.
ServiceBusAuthenticationError	An error occurred when authenticate the connection.
ServiceBusAuthorizationError	An error occurred when authorizing the connection.
ServiceBusCommunicationError	There was a general communications error encountered when interacting with the Azure Service Bus service. Client isn't able to establish a connection to Service Bus. Make sure the supplied host name is correct and the host is reachable. If your code runs in an environment with a firewall/proxy, ensure that the traffic to the Service Bus domain/IP address and ports isn't blocked.
ServiceBusConnectionError	An error occurred in the connection.
ServiceBusError	Base exception for all Service Bus errors which can be used for default error handling.
ServiceBusQuotaExceededError	The quota applied to a Service Bus resource has been exceeded while interacting with the Azure Service Bus service. The messaging entity has reached its maximum allowable size, or the maximum number of connections to a namespace has been exceeded. Create space in the entity by receiving messages from the entity or its subqueues.
ServiceBusServerBusyError	The Azure Service Bus service reports that it is busy in response to a client request to perform an operation. Service isn't able to process the request at this time. Client can wait for a period of time, then retry the operation.
SessionCannotBeLockedError	The requested session cannot be locked. Attempt to connect to a session with a specific session ID, but the session is currently locked by another client. Make sure the session is unlocked by other clients.
SessionLockLostError	The lock on the session has expired. Callers should request the session again. All unsettled messages that have been received can no longer be settled.