WSO2 MB Team is pleased to announce the release of WSO2 Message Broker 3.0.0-Alpha2. You can now download the distribution which is available at [1].
Following are the major changes applied in this version apart from the bugs and fixes: 1. Removal of the support for Cassandra 2. Support for JMS local transactions Bugs: - [MB-326 <https://wso2.org/jira/browse/MB-326>] - OOM in MB 2.1.0 Beta When having more that 60 subscriptions - [MB-725 <https://wso2.org/jira/browse/MB-725>] - When a node is killed, the queues which belog to the subscribers of the dead node are also removed - [MB-734 <https://wso2.org/jira/browse/MB-734>] - NPE when browsing queue/topic messages sent by a C# JMS client - [MB-826 <https://wso2.org/jira/browse/MB-826>] - Message can be resent when channel closed before acknowledgement is processed. - [MB-848 <https://wso2.org/jira/browse/MB-848>] - Subscriber with permission to consume but doesn't have queue add, browse or delete permission failed to consume from queue - [MB-878 <https://wso2.org/jira/browse/MB-878>] - Incompatibility with with AMQP Content header when using RabbitMQ publishers - [MB-889 <https://wso2.org/jira/browse/MB-889>] - Display topic sections to an user who have only the login permissions - [MB-905 <https://wso2.org/jira/browse/MB-905>] - created topic subscriptions not removed when running with jmeter - [MB-924 <https://wso2.org/jira/browse/MB-924>] - broker.xml has to support Secure vault - [MB-940 <https://wso2.org/jira/browse/MB-940>] - Observed "ERROR {org.wso2.andes.kernel.distruptor.inbound.InboundLogExceptionHandler} - [ Sequence: 3884182 ] Exception occurred while processing inbound events.Event type: MESSAGE_EVENT", with a load test - [MB-972 <https://wso2.org/jira/browse/MB-972>] - MQTT : Supporting Message Sizes Which Exceeds the Frame Size - [MB-993 <https://wso2.org/jira/browse/MB-993>] - Subscriber Re Connection Causes Stability Issues - [MB-998 <https://wso2.org/jira/browse/MB-998>] - An error is printed for each message when subscriber is disconnected while messages are publishing for MQTT - [MB-1025 <https://wso2.org/jira/browse/MB-1025>] - MQTT : Fix Message Size Limitation - [MB-1034 <https://wso2.org/jira/browse/MB-1034>] - ArrayIndexOutOfBoundsException when publishing MQTT messages while adding subscribers to same topic - [MB-1039 <https://wso2.org/jira/browse/MB-1039>] - MB doesn't support large messages for AMQP with MySQL datasource - [MB-1041 <https://wso2.org/jira/browse/MB-1041>] - Cassandra InvalidQueryException when durable subscriber goes offline - [MB-1052 <https://wso2.org/jira/browse/MB-1052>] - NullPointerException occurred in shutting down server when non durable subscription active - [MB-1053 <https://wso2.org/jira/browse/MB-1053>] - Warning log : Invalid State transition from DELETED suggested - [MB-1054 <https://wso2.org/jira/browse/MB-1054>] - MB server cannot restart after subscribe/publish messages to DSE cassandra - [MB-1058 <https://wso2.org/jira/browse/MB-1058>] - Message content not shown in the summary view - [MB-1063 <https://wso2.org/jira/browse/MB-1063>] - Browsing a queue which has 5 million messages is not possible to view - [MB-1065 <https://wso2.org/jira/browse/MB-1065>] - User with permission to browse queue messages is unable to browse the message - [MB-1066 <https://wso2.org/jira/browse/MB-1066>] - Messages are stuck in DB when the only publishing node is killed while publishing - [MB-1067 <https://wso2.org/jira/browse/MB-1067>] - Disable amqp protocol and publish / browse queue messages from console leads to dead page - [MB-1068 <https://wso2.org/jira/browse/MB-1068>] - When browsing queue messages pagination is shown for more than restricted number of messages - [MB-1069 <https://wso2.org/jira/browse/MB-1069>] - Can not delete a queue which has subscribed clients - [MB-1070 <https://wso2.org/jira/browse/MB-1070>] - MB 3.0.0 build with test fails on windows with "Failed to rename file wso2server.shas wso2server.sh" - [MB-1071 <https://wso2.org/jira/browse/MB-1071>] - Can not publish messages to a queue which is around 5mb in size - [MB-1073 <https://wso2.org/jira/browse/MB-1073>] - Unable to browse queues when large messages are present - [MB-1074 <https://wso2.org/jira/browse/MB-1074>] - Console allows to delete a queue while subscriber is consuming messages - [MB-1077 <https://wso2.org/jira/browse/MB-1077>] - MB does not start if the /etc/hosts file has multiple IP addresses for the host name - [MB-1079 <https://wso2.org/jira/browse/MB-1079>] - DLC is not being cleared when a queue is purged - [MB-1080 <https://wso2.org/jira/browse/MB-1080>] - Delete a queue from a tenant account and re-add the queue - popup says cannot create the queue - [MB-1082 <https://wso2.org/jira/browse/MB-1082>] - Error while trying to publish message for topics in management console - [MB-1083 <https://wso2.org/jira/browse/MB-1083>] - Tenant is able to publish messages to another tenants queue - [MB-1084 <https://wso2.org/jira/browse/MB-1084>] - Dead page when viewing subscriptions in cluster - [MB-1094 <https://wso2.org/jira/browse/MB-1094>] - org.wso2.andes.AMQTimeoutException occurred in queue browse - [MB-1096 <https://wso2.org/jira/browse/MB-1096>] - Remove 'Duration to expire (in ms)' from UI since we are not supporting message expiry. - [MB-1097 <https://wso2.org/jira/browse/MB-1097>] - WARN messages when producing message load - [MB-1100 <https://wso2.org/jira/browse/MB-1100>] - Ui test failing - [MB-1101 <https://wso2.org/jira/browse/MB-1101>] - Throw an exception on startup if the same node id is used by multiple nodes - [MB-1102 <https://wso2.org/jira/browse/MB-1102>] - Since message expiration is not supported remove the configuration from broker.xml - [MB-1103 <https://wso2.org/jira/browse/MB-1103>] - messages duplicated in topics in alpha pack - [MB-1105 <https://wso2.org/jira/browse/MB-1105>] - NPE in onflight message tracking. - [MB-1107 <https://wso2.org/jira/browse/MB-1107>] - Unable to subscribe to topic through UI with default configs. - [MB-1111 <https://wso2.org/jira/browse/MB-1111>] - Queue with two publishers and two subscribers fails to consume all the messages - [MB-1114 <https://wso2.org/jira/browse/MB-1114>] - JDK version error message is getting on console when start the MB on java8 - [MB-1116 <https://wso2.org/jira/browse/MB-1116>] - Takes a long time for the cluster to start after system restart - [MB-1117 <https://wso2.org/jira/browse/MB-1117>] - Exception when viewing Metrics UI for the tenant - [MB-1118 <https://wso2.org/jira/browse/MB-1118>] - java.lang.ThreadDeath thrown in the cluster - [MB-1123 <https://wso2.org/jira/browse/MB-1123>] - Same Durable Topic subscribers are showing in the active and inactive sections - [MB-1124 <https://wso2.org/jira/browse/MB-1124>] - MB only bind to loopback (127.0.0.1) by default - [MB-1125 <https://wso2.org/jira/browse/MB-1125>] - MQTT retain topic doesn't remove from server if empty payload received. - [MB-1126 <https://wso2.org/jira/browse/MB-1126>] - Deleting a queue with around 100000 messages does not refresh the console properly - [MB-1129 <https://wso2.org/jira/browse/MB-1129>] - MB goes OOM on high load - [MB-1130 <https://wso2.org/jira/browse/MB-1130>] - Error based flow control is not enabled when jtds or mssql database drivers are used. - [MB-1134 <https://wso2.org/jira/browse/MB-1134>] - Multiple producer, consumer scenario for queue from same node shows a count of messages in console after all messages consumed - [MB-1136 <https://wso2.org/jira/browse/MB-1136>] - Key duplication error observed when publishing messages to a topic - [MB-1137 <https://wso2.org/jira/browse/MB-1137>] - Observed a message lost from a durable topic - [MB-1139 <https://wso2.org/jira/browse/MB-1139>] - Message duplication observed in the Durable Topics - [MB-1140 <https://wso2.org/jira/browse/MB-1140>] - Refresh button issue in "Queue Subscriptions" section when multiple consumers consuming from the same queue - [MB-1141 <https://wso2.org/jira/browse/MB-1141>] - DLC retry attempts and retrying time miss-match with configuration - [MB-1143 <https://wso2.org/jira/browse/MB-1143>] - Consumer with client ack is not considered when new messages are published to a queue - [MB-1148 <https://wso2.org/jira/browse/MB-1148>] - Performance degradation in MB v 3.0.0 Alpha - [MB-1153 <https://wso2.org/jira/browse/MB-1153>] - Browsing queue messages with a mix of messages (With and without message headers) doesn't show all the messages in console - [MB-1154 <https://wso2.org/jira/browse/MB-1154>] - Cannot insert duplicate key error when updating message id - [MB-1159 <https://wso2.org/jira/browse/MB-1159>] - Bind host addresses per transports - [MB-1165 <https://wso2.org/jira/browse/MB-1165>] - Protocol Identifier separator in MQTTMessageMetaData conflicts with other separators. - [MB-1167 <https://wso2.org/jira/browse/MB-1167>] - NoSuchElementException when sending topic messages - [MB-1170 <https://wso2.org/jira/browse/MB-1170>] - Possible connection leak when working with Topic subscribers - [MB-1175 <https://wso2.org/jira/browse/MB-1175>] - Exception thrown when creating a consumer - [MB-1177 <https://wso2.org/jira/browse/MB-1177>] - When a cluster is started (1st node) MB_SLOT table must be cleared - [MB-1187 <https://wso2.org/jira/browse/MB-1187>] - purgeMessagesTestCase fails after deleted queue being observed - [MB-1189 <https://wso2.org/jira/browse/MB-1189>] - Ability to disable content cache used in RDBM message store. - [MB-1195 <https://wso2.org/jira/browse/MB-1195>] - Unexpected behavior in JMS Queue with in client-ack mode listener - [MB-1201 <https://wso2.org/jira/browse/MB-1201>] - Error in getting roles through when adding a topic through UI. - [MB-1202 <https://wso2.org/jira/browse/MB-1202>] - Messages are not getting moved into the dead letter channel - [MB-1208 <https://wso2.org/jira/browse/MB-1208>] - Restoring/re-routing messages from DLC causes an exception - [MB-1209 <https://wso2.org/jira/browse/MB-1209>] - Samples are broken. Dependency missing. - [MB-1213 <https://wso2.org/jira/browse/MB-1213>] - Subscription Recovery Does not happen properly for durable topic subscriptions - [MB-1215 <https://wso2.org/jira/browse/MB-1215>] - Update release docs and read me files with latest changes. - [MB-1216 <https://wso2.org/jira/browse/MB-1216>] - Increase minimum heap size to 2G - [MB-1217 <https://wso2.org/jira/browse/MB-1217>] - Messages that are moved to DLC are still shown in the queue when cache is enabled Improvements: - [MB-939 <https://wso2.org/jira/browse/MB-939>] - Make the maximum display length configurable for message content shown through management console. - [MB-1038 <https://wso2.org/jira/browse/MB-1038>] - Transaction Support for Andes - [MB-1057 <https://wso2.org/jira/browse/MB-1057>] - Message content instant removal - [MB-1062 <https://wso2.org/jira/browse/MB-1062>] - Add logs to trace message path - [MB-1109 <https://wso2.org/jira/browse/MB-1109>] - Message latency increase as message publishing rate reduced - [MB-1122 <https://wso2.org/jira/browse/MB-1122>] - Better to have generic jms client details in flow control message instead of channel number - [MB-1138 <https://wso2.org/jira/browse/MB-1138>] - Not enough details when flow control is enabled - [MB-1146 <https://wso2.org/jira/browse/MB-1146>] - Remove Performance Counter - [MB-1147 <https://wso2.org/jira/browse/MB-1147>] - Implement StoreHealthListener to AndesRecoveryTask - [MB-1152 <https://wso2.org/jira/browse/MB-1152>] - Add message tracer events - [MB-1161 <https://wso2.org/jira/browse/MB-1161>] - SecureVault Support for jndi.properties - [MB-1174 <https://wso2.org/jira/browse/MB-1174>] - Stop server startup with 0.0.0.0 as Thrift server host - [MB-1179 <https://wso2.org/jira/browse/MB-1179>] - Set default auto commit mode to false in message store and context store - [MB-1186 <https://wso2.org/jira/browse/MB-1186>] - Separate method deleteMessages in MessagingEngine into two New Features: - [MB-126 <https://wso2.org/jira/browse/MB-126>] - Support JMS Local Transactions - [MB-1022 <https://wso2.org/jira/browse/MB-1022>] - Publisher Acknowledgement for Andes Core (Used by MQTT Transport) - [MB-1149 <https://wso2.org/jira/browse/MB-1149>] - Implement a mechanism to save slot information in a RDBMS Security Vulnerabilities: - [MB-1160 <https://wso2.org/jira/browse/MB-1160>] - Move amqp SSL configuration and add MQTT ssl configuration into cipher-tool compliant broker.xml Tasks: - [MB-24 <https://wso2.org/jira/browse/MB-24>] - Run a long running Test for Queue Scenario - [MB-948 <https://wso2.org/jira/browse/MB-948>] - Enable Queue purge delivery rule after testing. - [MB-1049 <https://wso2.org/jira/browse/MB-1049>] - Write a sample for JMS transaction based message publishing - [MB-1190 <https://wso2.org/jira/browse/MB-1190>] - upgrade guava lib version - [MB-1212 <https://wso2.org/jira/browse/MB-1212>] - Make 'tracker rejected' warning to a debug The documentation for MB 3.0.0 Alpha can be found at [2]. Your feedback is most welcome, and any issue regarding the project can be reported at [3]. [1] https://github.com/wso2/product-mb/releases/download/v3.0.0-ALPHA/wso2mb-3.0.0-ALPHA.zip [2] https://docs.wso2.com/display/MB300/WSO2+Message+Broker+Documentation [3] https://wso2.org/jira/browse/MB Thanks, -WSO2 MB Team- -- Sasikala Kottegoda *Software Engineer* WSO2 Inc., http://wso2.com/ lean. enterprise. middleware Mobile: +94 774835928/712792401
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