Azure Service Bus is a fully managed enterprise message broker with message queues and publish-subscribe topics. It is designed to decouple applications and services, providing a reliable and secure platform for asynchronous data and state transfer.
For more information, visit the Azure Service Bus documentation.
When working with Azure Service Bus, you might encounter the MessageLockLostException. This exception indicates that the lock on a message was lost before the message processing was complete.
Typically, this exception is thrown during message processing when the lock on the message expires, causing the message to become available for other receivers.
The MessageLockLostException occurs when the lock duration on a message expires before the message is fully processed. Azure Service Bus uses a lock mechanism to ensure that only one receiver processes a message at a time.
This issue often arises when the processing of a message takes longer than the lock duration, or if the lock is not renewed in time.
To resolve this issue, you can either increase the lock duration or implement a mechanism to renew the lock periodically while processing the message.
To increase the lock duration, adjust the LockDuration property in the queue or subscription settings. This can be done via the Azure portal or using Azure CLI:
az servicebus queue update --resource-group <resource-group> --namespace-name <namespace> --name <queue-name> --lock-duration <new-duration>
Implement a mechanism to renew the lock periodically while processing the message. This can be achieved by calling the RenewLockAsync method within your message processing logic:
await messageReceiver.RenewLockAsync(message);
For further reading on handling message locks in Azure Service Bus, refer to the official documentation.
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