Hi All, WSO2 CEP Team is pleased to announce the Alpha release of WSO2 Complex Event Processor 4.1.0.
WSO2 Complex Event Processor (CEP) can be used to identify the most meaningful events within an event cloud, analyzes their impacts, and acts on them in real time. Built to be extremely high performing it offers significant time saving and affordable acquisition. WSO2 CEP Manager is released under the Apache Software License 2.0. The distribution is available at [1]. The documentation for CEP 4.1.0 Alpha can be found at [2] (which is WIP). Your feedback is most welcome, and any issues can be reported to the project at [3]. Following bug fixes, improvements and new features have been added along with this release . *Improvements* - [CEP-644 <https://wso2.org/jira/browse/CEP-644>] - add insertOrUpdate to event table - [CEP-1419 <https://wso2.org/jira/browse/CEP-1419>] - Provide "insert or update" functionality to event tables - [CEP-1426 <https://wso2.org/jira/browse/CEP-1426>] - When passing parameters to function allow the syntax func(*) if all the attributes of the inputstream have to be passed - [CEP-1439 <https://wso2.org/jira/browse/CEP-1439>] - Map extension support - [CEP-1445 <https://wso2.org/jira/browse/CEP-1445>] - Improve user-friendliness by sorting drop-down lists - [CEP-1448 <https://wso2.org/jira/browse/CEP-1448>] - Hazelcast Event Table for Siddhi - [CEP-1450 <https://wso2.org/jira/browse/CEP-1450>] - Adding Arbitrary Map support for Receiver Components - [CEP-1453 <https://wso2.org/jira/browse/CEP-1453>] - Pause, Resume and Stop support for Event Simulator - [CEP-1458 <https://wso2.org/jira/browse/CEP-1458>] - Support for more then 2 nodes in HA deployment *New Features* - [CEP-101 <https://wso2.org/jira/browse/CEP-101>] - Indexing for Hazelcast table - [CEP-105 <https://wso2.org/jira/browse/CEP-105>] - Time length window implementation for Siddhi - [CEP-1365 <https://wso2.org/jira/browse/CEP-1365>] - Add a function to extract 'DAY OF WEEK' from time/timestamp - [CEP-1423 <https://wso2.org/jira/browse/CEP-1423>] - Support outer/left joins in Siddhi - [CEP-1440 <https://wso2.org/jira/browse/CEP-1440>] - Geo Closest function - [CEP-1441 <https://wso2.org/jira/browse/CEP-1441>] - External Batch window for siddhi - [CEP-1457 <https://wso2.org/jira/browse/CEP-1457>] - Minima and Maxima detection on Siddhi - [CEP-1459 <https://wso2.org/jira/browse/CEP-1459>] - Instrumentation & Monitoring support for CEP and Siddhi *Bugs* - [CEP-1117 <https://wso2.org/jira/browse/CEP-1117>] - No default value support for Map mapping - [CEP-1338 <https://wso2.org/jira/browse/CEP-1338>] - [Intermittent] Error observed in edit tenant UI - [CEP-1352 <https://wso2.org/jira/browse/CEP-1352>] - 'The [action] cannot be processed at the receiver' error when clicked on 'Streams' option - [CEP-1361 <https://wso2.org/jira/browse/CEP-1361>] - Index Out of Bounds Exception after a new field is added to Stream - [CEP-1363 <https://wso2.org/jira/browse/CEP-1363>] - Execution plan does not display "from" when we type @ symbol as a result this needs to be added - [CEP-1375 <https://wso2.org/jira/browse/CEP-1375>] - org.wso2.carbon.event.processor.admin bundle activation is getting delayed because it get wires with wrong dependency version - [CEP-1393 <https://wso2.org/jira/browse/CEP-1393>] - NPE thrown for Websocket Local Input Receiver if the same receiver is redeployed - [CEP-1400 <https://wso2.org/jira/browse/CEP-1400>] - Error when integrating ML extension to CEP storm cluster - [CEP-1401 <https://wso2.org/jira/browse/CEP-1401>] - Issue in email event adapter - [CEP-1405 <https://wso2.org/jira/browse/CEP-1405>] - "No extension exist for StreamFunctionExtension{namespace='ml'}" exception when started worker node with -DworkerNode=true property - [CEP-1407 <https://wso2.org/jira/browse/CEP-1407>] - In conditions cannot be used in select statement - [CEP-1408 <https://wso2.org/jira/browse/CEP-1408>] - Concurrent Modification exception - [CEP-1409 <https://wso2.org/jira/browse/CEP-1409>] - When modifying an event stream, information does not get removed from in-memory cache at databridge - [CEP-1410 <https://wso2.org/jira/browse/CEP-1410>] - Validate Input Stream for WSO2Event custom mapping - [CEP-1411 <https://wso2.org/jira/browse/CEP-1411>] - Siddhi thread dead on invalid inputs - [CEP-1415 <https://wso2.org/jira/browse/CEP-1415>] - Event Table Update results in duplicate inserts - [CEP-1418 <https://wso2.org/jira/browse/CEP-1418>] - Test cases are failing in SnapshotOutputRateLimitTestCase due to possible thread contention issue - [CEP-1422 <https://wso2.org/jira/browse/CEP-1422>] - ArrayIndexOutOfBoundsException when adding wso2-event publisher with invalid Receiver URL - [CEP-1427 <https://wso2.org/jira/browse/CEP-1427>] - Consistency Issue with defining attribute names in management console and siddhiQL - [CEP-1429 <https://wso2.org/jira/browse/CEP-1429>] - [Event Receiver] Custom text mapping does not take the attribute order into consideration - [CEP-1430 <https://wso2.org/jira/browse/CEP-1430>] - [Event Simulator] Stream attributes not correctly shown when having streams with same name but different versions - [CEP-1433 <https://wso2.org/jira/browse/CEP-1433>] - snapshot/restore does not work for aggregation on time based window - [CEP-1434 <https://wso2.org/jira/browse/CEP-1434>] - Some modules are not covered by the permission model - [CEP-1435 <https://wso2.org/jira/browse/CEP-1435>] - Make "Delay" property as mandatory in File Tail adapter - [CEP-1437 <https://wso2.org/jira/browse/CEP-1437>] - [JMX-based Monitoring] Event Statistics MBean not available for super tenant - [CEP-1443 <https://wso2.org/jira/browse/CEP-1443>] - [Databridge] If runtime exceptions are thrown in DataEndpoint.EventPublisher publish() method, they are not logged and fails silently - [CEP-1446 <https://wso2.org/jira/browse/CEP-1446>] - geodashboard:eventsFusion(eventId) throws ClassCastException, IndexOutOfBoundsException, when the stream attributes are different than a predefined set of attributes. - [CEP-1449 <https://wso2.org/jira/browse/CEP-1449>] - An exception is thrown when CRON expressions are updated within an execution plan on a standalone pack - [CEP-1454 <https://wso2.org/jira/browse/CEP-1454>] - Output Event Adaptor deployment held back and in inactive state : DefaultLoggerOutputAdaptor, waiting for output event adaptor type dependency : logger Check other issues which are resolved in here <https://wso2.org/jira/browse/CEP-1450?jql=project%20%3D%20CEP%20AND%20fixVersion%20%3D%20%224.1.0-Alpha%22%20AND%20status%20%3D%20Resolved%20ORDER%20BY%20priority%20DESC> .. References: [1] https://github.com/wso2/product-cep/releases/tag/v4.1.0-alpha [2] https://docs.wso2.com/display/CEP410/WSO2+Complex+Event+Processor+Documentation [3] https://wso2.org/jira/browse/CEP <https://wso2.org/jira/browse/CEP> Thanks, -WSO2 CEP Team- -- *V. Mohanadarshan* *Senior Software Engineer,* *Data Technologies Team,* *WSO2, Inc. http://wso2.com <http://wso2.com> * *lean.enterprise.middleware.* email: mo...@wso2.com phone:(+94) 771117673
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