[ANNOUNCE] Apache Flex BlazeDS 4.7.3

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[ANNOUNCE] Apache Flex BlazeDS 4.7.3

Christofer Dutz
Hi all,

I am pleased to announce the release of Apache Flex BlazeDS 4.7.3.

Apache Flex BlazeDS 4.7.3 is an update to 4.7.2 which adds a new
blazeds-spring-boot-starter module for easily setting up a BlazeDS server with
Spring Boot.

It also provides Maven archetypes for easily creating new spring-boot project that
make use of BlazeDS.

We also did quite a lot of fine-tuning of the security default settings to make BlazeDS
more secure.

Starting with 4.7.3 BlazeDS Deserialization of XML is disabled completely per default
but can easily be enabled in your services-config.xml:

    <channels>
        <channel-definition id="amf" class="mx.messaging.channels.AMFChannel">
            <endpoint url="http://{server.name}:{server.port}/{context.root}/messagebroker/amf "
                      class="flex.messaging.endpoints.AMFEndpoint"/>
            <properties>
                <serialization>
                    <allow-xml>true</allow-xml>
                </serialization>
            </properties>
        </channel-definition>
    </channels>

Also, we now enable the ClassDeserializationValidator per default to only allow
deserialization of whitelisted classes. BlazeDS internally comes with the following
whitelist:

    flex.messaging.io.amf.ASObject
    flex.messaging.io.amf.SerializedObject
    flex.messaging.io.ArrayCollection
    flex.messaging.io.ArrayList
    flex.messaging.messages.AcknowledgeMessage
    flex.messaging.messages.AcknowledgeMessageExt
    flex.messaging.messages.AsyncMessage
    flex.messaging.messages.AsyncMessageExt
    flex.messaging.messages.CommandMessage
    flex.messaging.messages.CommandMessageExt
    flex.messaging.messages.ErrorMessage
    flex.messaging.messages.HTTPMessage
    flex.messaging.messages.RemotingMessage
    flex.messaging.messages.SOAPMessage
    java.lang.Boolean
    java.lang.Byte
    java.lang.Character
    java.lang.Double
    java.lang.Float
    java.lang.Integer
    java.lang.Long
    java.lang.Object
    java.lang.Short
    java.lang.String
    java.util.ArrayList
    java.util.Date
    java.util.HashMap
    org.w3c.dom.Document

If you need to deserialize any other classes, be sure to register them in your
services-config.xml:

    <validators>
        <validator class="flex.messaging.validators.ClassDeserializationValidator">
            <properties>
                <allow-classes>
                    <class name="org.mycoolproject.*"/>
                    <class name="flex.messaging.messages.*"/>
                    <class name="flex.messaging.io.amf.ASObject"/>
                </allow-classes>
            </properties>
        </validator>
    </validators>

(Beware, by manually providing a whitelist the default whitelist is disabled)

Known Issues
_____________
FLEX-34648 Memory Leak occurred in AsyncMessage when sending a lot of messages

Chris
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