Simple Message Queue (formerly MNS):Versions

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2024-08-23

The error message [Message]:null reported due to an invalid request during the calling of the BatchDeleteMessage API is optimized.

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2024-05-30

• Feature update

  • You can obtain the AccessKey ID and AccessKey secret from environment variables. For more information, see Configure endpoints and access credentials.

  • Queue- and topic-related messages can be produced and consumed. You can encode and decode messages in Base64.

  • Sample code that supports the preceding features is provided.

  • The sample code for sending and consuming oversized messages is provided.

  • A request ID is returned when a message is sent or consumed to facilitate troubleshooting.

• Content optimization

  The sample code is switched from the main directory to the test directory.

• Bug fixing

  • The bug that causes the client to report an error code 500 is fixed.

  • The following bug is fixed: The waitseconds parameter is set to 0. However, when you read a message from a queue, you still need to wait for a long time before the message is returned.

  • The following bug is fixed: Requests fail due to the unexpected result that is returned for the getCredentials operation in extreme scenarios.

  • The following bug is fixed: The client reports that the version is incorrect. For example, an earlier version of the client or a version of another service SDK is used.

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2021-12-24

The SLF4J dependency is used instead of the Log4j dependency.

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2021-03-18

• The OpenService operation is provided.

• The bug that the client throws the I/O reactor status: STOPPED error due to network jitter in specific scenarios is fixed.

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2016-12-15

The BatchSendMessage operation is supported for subscriptions to topics.

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2016-08-30

• The same Java object is returned if the getMNSClient() method is called multiple times.

• Bugs are fixed.

• The JSON format is supported for subscriptions to topics.

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2016-05-26

• The TransactionQueue class is supported.

• The messages can be sent from one client to multiple clients.

• The sample code that is used for performance testing of SDK for Java is provided.

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2016-04-25

• SMQ queues and email addresses can be specified as endpoints of subscriptions.

• Topic messages can be filtered.

• The timeout error of long polling requests is fixed. This error occurs if the number of long polling requests exceeds the maximum number of connections per route.

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2016-03-28

• The HTTPS protocol is supported.

• The default values of the priority, dequeueCount, and delaySeconds parameters of the Message object are removed.

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2016-01-30

The following bug is fixed: If you call the popMessage operation without specifying the waitseconds parameter, the waitseconds parameter is set to the value of the QueueMeta parameter rather than 0.

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2016-01-19

The following bug is fixed: UTF-8 rather than the default character set is used to encode Chinese messages.

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2016-01-06

• The topic feature is supported.

• Security Token Service (STS) tokens are supported.

• The Base64 encoding can be disabled.

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2015-12-02

• The memory leak is fixed. This error occurred if multiple CloudAccount objects exist.

• HttpAsyncClient 4.1 is supported.

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2015-11-05

• The thread hanging is fixed. This error occurred due to network exceptions.

• Idle connections can be disabled and resident threads can be reclaimed.

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2015-06-09

• The SDK hanging is fixed. This error occurs if you disable a large amount of waiting connections.

• Sample code is added.

• The API version: "x-mns-version"="2015-06-06" is supported.

• The BatchSendMessage, BatchReceiveMessage, BatchPeekMessage, and BatchDeleteMessage operations are supported.

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2015-03-03

The logic of parsing messages in the XML format is optimized to improve performance.

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2014-12-19

A thread pool supports up to 50 threads. The performance bottleneck is fixed. This bottleneck occurs due to large-scale concurrent workloads.

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