Overview

This article mainly introduces the common problems in using the MNS message notification function.

Possible causes and solutions

FAQ Solution
The HttpEndpoint interface cannot receive messages. How can I debug them quickly?

For detailed solutions, see Troubleshooting methods when the HttpEndpoint interface does not receive messages in the MNS.

How do I confirm that the certificate address identified by x-mns-signing-cert-url in a push request is official to Alibaba Cloud? detailed address, see how to confirm that the MNS push request to the public key in the certificate address is the official alibaba cloud sdks of.
When authenticating HTTPEndpoint interface in MNS, remote request for public key certificate is time-consuming. How can authentication performance be improved? detailed address, see use MNS in HTTPEndpoint interface authentication at how to improve authentication performance.
Call the HttpEndpoint interface signature authentication failed. For a detailed solution, see Signature authentication failed when using the MNS HTTPEndpoint interface.

After the MNS subscription is successful, no message is received and no relevant records are found in the log.

For detailed solutions, see MNS subscription is successful and no message is received.

When writing the HttpEndpoint interface in PHP in MNS, no message body was received.

Application scope

  • MNS