ActiveMQ 5.13.4 已经发布。修复了30多个问题。 PS. 真的很想看到最近版本的 ActiveMQ, Artemis, Rabbitmq 的对比评测。 详细列表： Bug [AMQ-5426] - ActiveMQMessageConsumer could run into NPE due to concurrent access to internal state [AMQ-5886] - AMQ accepts illegal MQTT protocol level (5, only 3 and 4 are defined) [AMQ-6194] - Deleting a temporary queue creates a warning message in the broker [AMQ-6271] - activemq-osgi defines wrong range for org.springframework.osgi... [AMQ-6275] - Error when using ws transport connector [AMQ-6285] - MessageDatabase doesn't properly cleanup the checkpoint scheduler on shutdown [AMQ-6287] - Message ack rewrite task doesn't properly release index lock [AMQ-6290] - JMS Pool reconnection logic not always reliable [AMQ-6291] - Thread unsafe code in TcpTransportServer can lead to NPE or other errors on start / stop [AMQ-6298] - Incorrect Import-Package version range for org.springframework.osgi [AMQ-6305] - AMQP: Drain requests can go unaswered in certain cases. [AMQ-6310] - Certain VirtualTopic configurations no longer send messages to the correct queue [AMQ-6325] - JMS Selector parsing will not fail if a valid selector is followed by invalid text [AMQ-6334] - ActiveMQConnection triggered heap space out of memory error when used with org.apache.activemq.network.SimpleJmsQueueConnector [AMQ-6340] - Queue order lost on consumer close in some cases [AMQ-6343] - [MQTT] LWT doesn't work over a websocket connection [AMQ-6345] - [MQTT] ping response without CONNECT [AMQ-6346] - Concurrent access to a MQTT Transport from WebSocket client can deadlock [AMQ-6350] - PooledConnectionFactory throws 'IllegalStateException: Pool not open' after re-init [AMQ-6352] - Temporary message store cursor does not track store message size properly [AMQ-6353] - AMQP: Using JMS Transformer, preserve the type of the original CorrelationId [AMQ-6356] - Processing a KahaUpdateMessageCommand can lead to wrong store size being reported [AMQ-6357] - shutdown due to a local error: java.lang.ArithmeticException: / by zero 改进 [AMQ-6100] - Virtual topic message destination should be the target queue [AMQ-6292] - ACK rewrite task does unnecessary syncs [AMQ-6301] - Embed spring-dm in activemq-osgi to avoid loading spring-dm in Karaf [AMQ-6304] - Container-id field blank on sending an AMQP 1.0 open frame to the client [AMQ-6319] - AMQP: Make it easier to disable accepting non-SASL clients and add more tests. [AMQ-6328] - Upgrade Camel to latest 新特性 [AMQ-6274] - Add option to composite destinations to set originalMessage header ActiveMQ 5.13.4 发布，JMS 消息服务器下载地址
