Hi All,

WSO2 CEP Team is pleased to announce the release of WSO2 Complex Event
Processor 4.0.0 Milestone 5. The distribution is available at [1]. Following
bug fixes, improvements, tasks and new features have been fixed along with
this release .
Bug

   - [CEP-798 <https://wso2.org/jira/browse/CEP-798>] - [Intermittent]: NPE
   observed when shutting down the server
   - [CEP-820 <https://wso2.org/jira/browse/CEP-820>] - [intermittent] :
   "ERROR - {app:js} org.mozilla.javascript.WrappedException: Wrapped
   org.wso2.carbon.governance.api.exception.GovernanceException" seen on
   startup logs
   - [CEP-854 <https://wso2.org/jira/browse/CEP-854>] - Sending events with
   a "high frequency" via Soap Output Event Adaptor gives an exception.
   - [CEP-868 <https://wso2.org/jira/browse/CEP-868>] - Sending bool to
   mysql table via output adaptor throws error
   - [CEP-893 <https://wso2.org/jira/browse/CEP-893>] - Importing projects
   to eclipse issues (fresh build)
   - [CEP-923 <https://wso2.org/jira/browse/CEP-923>] - When enabling and
   disabling adding empty properties to formatter
   - [CEP-948 <https://wso2.org/jira/browse/CEP-948>] - Cannot add Event
   Builder - UI error
   - [CEP-962 <https://wso2.org/jira/browse/CEP-962>] - Data types for
   output attributes are incorrect in siddhi query.
   - [CEP-980 <https://wso2.org/jira/browse/CEP-980>] - Error when using H2
   db with event tables in CEP.
   - [CEP-983 <https://wso2.org/jira/browse/CEP-983>] - Cannot update In
   Memory Event Table with multiple events
   - [CEP-990 <https://wso2.org/jira/browse/CEP-990>] - Issue of
   rejectedExecutionException when sending events to http input event adaptor
   with high frequency
   - [CEP-991 <https://wso2.org/jira/browse/CEP-991>] - Execution Plan ->
   Import Stream fails
   - [CEP-1002 <https://wso2.org/jira/browse/CEP-1002>] - Output HTTP Event
   Adapter content-type incorrect
   - [CEP-1007 <https://wso2.org/jira/browse/CEP-1007>] - Indexing support
   for in-memory event tables
   - [CEP-1008 <https://wso2.org/jira/browse/CEP-1008>] - Configuration Not
   Validated when updating Event Builder in source view
   - [CEP-1042 <https://wso2.org/jira/browse/CEP-1042>] - Fix start-up
   errors and warns
   - [CEP-1066 <https://wso2.org/jira/browse/CEP-1066>] - Cannot use * in
   siddhi queries
   - [CEP-1067 <https://wso2.org/jira/browse/CEP-1067>] - FindableProcessor
   impl is not there for batch windows
   - [CEP-1069 <https://wso2.org/jira/browse/CEP-1069>] - Cannot create a
   new Stream for a tenant
   - [CEP-1076 <https://wso2.org/jira/browse/CEP-1076>] - Null pointer
   exception when there is no entry in valueOf field and select the exported
   stream creation drop-down list
   - [CEP-1077 <https://wso2.org/jira/browse/CEP-1077>] - Old execution
   plan get deleted from file system when adding a new execution plan with a
   name equal to old one.
   - [CEP-1081 <https://wso2.org/jira/browse/CEP-1081>] - Add Event Stream
   button not available on event streams page
   - [CEP-1082 <https://wso2.org/jira/browse/CEP-1082>] - Duplicate
   suggestions in Execution Plan
   - [CEP-1085 <https://wso2.org/jira/browse/CEP-1085>] - tcpmon.sh is not
   packed with CEP.
   - [CEP-1087 <https://wso2.org/jira/browse/CEP-1087>] - Event Receiver UI
   Stream name and version should be in correct order
   - [CEP-1089 <https://wso2.org/jira/browse/CEP-1089>] - Resources are not
   released by Soap output adaptor and causes OOM

Improvement

   - [CEP-1011 <https://wso2.org/jira/browse/CEP-1011>] - Extended Regex
   Functionality Support for Siddhi
   - [CEP-1021 <https://wso2.org/jira/browse/CEP-1021>] - Sort Execution
   Plans and Event Streams in alphabetical order
   - [CEP-1045 <https://wso2.org/jira/browse/CEP-1045>] - [Event tables]
   Event tables should support Oracle DBMS
   - [CEP-1049 <https://wso2.org/jira/browse/CEP-1049>] - Email Input Event
   Adapter
   - [CEP-1053 <https://wso2.org/jira/browse/CEP-1053>] - http input event
   adapter feature
   - [CEP-1060 <https://wso2.org/jira/browse/CEP-1060>] - Adding cassandra
   output adapter feature for event publisher
   - [CEP-1071 <https://wso2.org/jira/browse/CEP-1071>] - Adding event
   definition pop-up for event receiver and publisher
   - [CEP-1072 <https://wso2.org/jira/browse/CEP-1072>] - Improve execution
   plan editor to incorporate new features
   - [CEP-1079 <https://wso2.org/jira/browse/CEP-1079>] - Adding
   auto-completion to Siddhi Query Editor
   - [CEP-1080 <https://wso2.org/jira/browse/CEP-1080>] - Improvements to
   code mirror syntax highlighting functionality
   - [CEP-1084 <https://wso2.org/jira/browse/CEP-1084>] - Fixes and
   improvements for Application Deployer
   - [CEP-1086 <https://wso2.org/jira/browse/CEP-1086>] - Removing
   AxisConfiguration Parameters in Event Processor Service
   - [CEP-1088 <https://wso2.org/jira/browse/CEP-1088>] - Improve Event
   Receivers' WSO2 Event mapping to add Stream Name and Version
   - [CEP-1094 <https://wso2.org/jira/browse/CEP-1094>] - Removing TenantId
   Parameters in Event Processor Service

New Feature

   - [CEP-985 <https://wso2.org/jira/browse/CEP-985>] - Stationery Alert is
   one of the Geo Dashboard features which enable users to recieve alerts if a
   spatial object stayes in a specified area for a given specified time.
   - [CEP-993 <https://wso2.org/jira/browse/CEP-993>] - Exchangeable views
   between form view and source view when creating event streams
   - [CEP-1031 <https://wso2.org/jira/browse/CEP-1031>] - Adding Geo/NLP/R
   Extension for Siddhi
   - [CEP-1095 <https://wso2.org/jira/browse/CEP-1095>] - Domain Specific
   Execution Manager

Task

   - [CEP-878 <https://wso2.org/jira/browse/CEP-878>] - Make sure whether
   product builds when building mvn eclipse:eclipse
   - [CEP-1043 <https://wso2.org/jira/browse/CEP-1043>] - Remove "All Event
   Builders" and "All Event Formatters" links in Event Stream UI
   - [CEP-1050 <https://wso2.org/jira/browse/CEP-1050>] - Create features
   for Event Receivers
   - [CEP-1097 <https://wso2.org/jira/browse/CEP-1097>] - Migrating event
   receiver, publisher and monitor from carbon event processor to carbon
   analytics common


Thanks,
-WSO2 CEP Team-

*References:*
​[1] http://svn.wso2.org/repos/wso2/people/suho/packs/cep/4.0.0/M5/
<http://www.google.com/url?q=http%3A%2F%2Fsvn.wso2.org%2Frepos%2Fwso2%2Fpeople%2Fsuho%2Fpacks%2Fcep%2F4.0.0%2FM5%2F&sa=D&sntz=1&usg=AFQjCNH-kpcrlWnsegqWI-g8biuDi7IvdQ>

-- 

*Tharik Kanaka* | Associate Software Engineer

WSO2, Inc |#20, Palm Grove, Colombo 03, Sri Lanka

Email: tha...@wso2.com | Web: www.wso2.com
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