Hi All,

The WSO2 CEP team is pleased to announce the release of version 4.2.0 of
Open Source WSO2 Complex Event Processor.

WSO2 Complex Event Processor (CEP) is a lightweight, easy-to-use, open
source Complex Event Processing server (CEP). It identifies the most
meaningful events within the event cloud, analyzes their impact, and acts
on them in real-time. It's built to be extremely high performing with WSO2
Siddhi and massively scalable using Apache Storm.

WSO2 CEP is built up on the award-winning, WSO2 Carbon platform
<http://wso2.com/products/carbon/>, which is based on the OSGi framework
enabling better modularity for your service oriented architecture (SOA).
WSO2 Carbon framework contains many enhanced features and optional
components to customize the behavior of the server through simple,
point-and-click provisioning. The CEP can be tightly integrated with WSO2
Data Analytics Server, by adding support for recording and post processing
events with Map-Reduce via Apache Spark, and WSO2 Machine Learner for
predictive analytics.

WSO2 Complex Event Processor is released under Apache Software License
Version 2.0 <http://www.apache.org/licenses/LICENSE-2.0.html>, one of the
most business-friendly licenses available today.

For more information on WSO2 Complex Event Processor, please visit
http://wso2.com/products/complex-event-processor/. You can also look at our
 online product documentation
<https://docs.wso2.com/display/CEP420/WSO2+Complex+Event+Processor+Documentation>
.

WSO2 Complex Event Processor 4.2.0 includes following new features,
improvements and bug fixes.

New Feature

   - [CEP-322 <https://wso2.org/jira/browse/CEP-322>] - Unique time window
   support for Siddhi
   - [CEP-1507 <https://wso2.org/jira/browse/CEP-1507>] - Siddhi Extension
   for calculate percentile values
   - [CEP-1510 <https://wso2.org/jira/browse/CEP-1510>] - External Time
   Batch Window Implementation
   - [CEP-1512 <https://wso2.org/jira/browse/CEP-1512>] - MaxForever and
   MinForever Attribute Aggregators for Siddhi
   - [CEP-1516 <https://wso2.org/jira/browse/CEP-1516>] - Distinct
   Attribute Aggretaor for Siddhi
   - [CEP-1517 <https://wso2.org/jira/browse/CEP-1517>] - Split Function
   for String Siddhi Extension
   - [CEP-1574 <https://wso2.org/jira/browse/CEP-1574>] - JNDI Connector to
   Sonic MQ.

Improvement

   - [CEP-1442 <https://wso2.org/jira/browse/CEP-1442>] - Create a role for
   analytics dashboard with necessary permissions (CEP & DAS)
   - [CEP-1476 <https://wso2.org/jira/browse/CEP-1476>] - Siddhi Map
   Extension : map:CreateFromXML() only support XML with root element
   - [CEP-1488 <https://wso2.org/jira/browse/CEP-1488>] - Allow '-' in
   @Import/@Export section in execution plan
   - [CEP-1497 <https://wso2.org/jira/browse/CEP-1497>] - Custom XML input
   mapping should be able to populate stream attributes from XML attributes
   - [CEP-1511 <https://wso2.org/jira/browse/CEP-1511>] - Template Manager
   support for other deployable artifacts
   - [CEP-1514 <https://wso2.org/jira/browse/CEP-1514>] - Make Distruptor
   as configurable in Siddhi
   - [CEP-1515 <https://wso2.org/jira/browse/CEP-1515>] - RDBMS event table
   does not work with new RDBMS database types
   - [CEP-1520 <https://wso2.org/jira/browse/CEP-1520>] - Necessary
   improvement to ExternalTimeBatch window
   - [CEP-1526 <https://wso2.org/jira/browse/CEP-1526>] - Improve event
   receiver/publisher JMS configuration to support Tibco EMS
   - [CEP-1528 <https://wso2.org/jira/browse/CEP-1528>] - Provide support
   for string values to be used in line charts x axis in real time gadets
   - [CEP-1532 <https://wso2.org/jira/browse/CEP-1532>] - Add basicAuth
   enable property for http event receiver
   - [CEP-1540 <https://wso2.org/jira/browse/CEP-1540>] - [Template Manager
   UI] JSP pages which are not invoked through Ajax are named as
   *_ajaxprocessor.jsp

Fixed Issues

Bug Fixes
<https://wso2.org/jira/browse/CEP-1575?jql=project%20%3D%20CEP%20AND%20fixVersion%20%3D%20%224.2.0%22%20AND%20status%20in%20(Resolved%2C%20Closed)>

*Known Issues*

All the open issues pertaining to WSO2 Enterprise Service Bus are reported
at the following location:

Known Issues
<https://wso2.org/jira/browse/CEP-256?jql=project%20%3D%20CEP%20AND%20resolution%20%3D%20Unresolved%20ORDER%20BY%20priority%20DESC>
Reporting *Issues*
Issues can be reported using the public JIRA available at
https://wso2.org/jira/browse/CEP
Contact usWSO2 Complex Event Processor developers can be contacted via the
mailing lists:

   Developer List : d...@wso2.org | Subscribe
<dev-requ...@wso2.org?subject=subscribe> | Mail Archive
<http://wso2.org/mailarchive/dev/>

Alternatively, questions can also be raised in the stackoverflow:
*Forum* http://stackoverflow.com/questions/tagged/wso2/

Support

We are committed to ensuring that your enterprise middleware deployment is
completely supported from evaluation to production. Our unique approach
ensures that all support leverages our open development methodology and is
provided by the very same engineers who build the technology.

For more details and to take advantage of this unique opportunity please
visit http://wso2.com/support/.

For more information on WSO2 Complex Event Processor, visit the WSO2 CEP
Product Page <http://wso2.com/products/complex-event-processor/>.
*-The WSO2 Complex Event Processor Development Team- *

-- 
*Dilini Muthumala*
Senior Software Engineer,
WSO2 Inc.

*E-mail :* dil...@wso2.com
*Mobile: *+94 713-400-029
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