According to the release notes for BlazeDS 4.7.3, classes must be whitelisted in order to be deserialized by ClassDeserializationValidator. Perhaps that is what you are encountering.
- Josh On Jul 14, 2017 4:46 PM, "jaabax" <jaa...@gmail.com> wrote: I am not being able to communicate with the server with the jars from flex-messaging-core, common, proxy and remoting version 4.7.3. When I change to 4.7.2 things work. Importante: the ONLY thing I change is the version on my pom.xml for it to work. No code changes at all. I have the following test entity. package test.package { [Bindable] [RemoteClass(alias="test.package.Test")] public class Test { public function Test() { } private var _name:String private var _price:int; public function get name():String{ return _name; } public function get price():int{ return _price; } public function set name(name:String):void{ _name = name; } public function set price(price:int):void{ _price = price; } } } public class Test implements Serializable { private String name; private int price; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getPrice() { return price; } public void setPrice(int price) { this.price = price; } } I checked the source code and on the class ClassDeserializationValidator my Test entity goes into Set<String> disallowClasses. ### 2017/07/14 17:37:39 INFO servlet.MessageBrokerHandlerAdapter: Channel endpoint my-amf received request. [BlazeDS] Creation validation for class 'test.package.Test' failed. flex.messaging.io.SerializationException: Creation validation for class 'test.package.Test' failed. at flex.messaging.util.ClassUtil.validateCreation(ClassUtil. java:354) at flex.messaging.util.ClassUtil.createDefaultInstance( ClassUtil.java:115) at flex.messaging.io.amf.AbstractAmfInput.createObjectInstance( AbstractAmfInput.java:165) at flex.messaging.io.amf.Amf3Input.readScriptObject( Amf3Input.java:748) at flex.messaging.io.amf.Amf3Input.readObjectValue( Amf3Input.java:156) at flex.messaging.io.amf.Amf3Input.readObject(Amf3Input.java:134) at flex.messaging.io.amf.Amf3Input.readObjectOneLevelDown(Amf3Input.java:1046) at flex.messaging.io.amf.Amf3Input.readArray(Amf3Input.java:698) at flex.messaging.io.amf.Amf3Input.readObjectValue( Amf3Input.java:160) at flex.messaging.io.amf.Amf3Input.readObject(Amf3Input.java:134) at flex.messaging.io.amf.Amf3Input.readObjectOneLevelDown(Amf3Input.java:1046) at flex.messaging.io.amf.Amf3Input.readScriptObject( Amf3Input.java:777) at flex.messaging.io.amf.Amf3Input.readObjectValue( Amf3Input.java:156) at flex.messaging.io.amf.Amf3Input.readObject(Amf3Input.java:134) at flex.messaging.io.amf.Amf0Input.readObjectValue( Amf0Input.java:124) at flex.messaging.io.amf.Amf0Input.readObjectValueOneLevelDown( Amf0Input.java:545) at flex.messaging.io.amf.Amf0Input.readArrayValue( Amf0Input.java:364) at flex.messaging.io.amf.Amf0Input.readObjectValue( Amf0Input.java:128) at flex.messaging.io.amf.Amf0Input.readObject(Amf0Input.java:95) at flex.messaging.io.amf.AmfMessageDeserializer.readObject( AmfMessageDeserializer.java:199) at flex.messaging.io.amf.AmfMessageDeserializer.readBody( AmfMessageDeserializer.java:173) at flex.messaging.io.amf.AmfMessageDeserializer.readMessage( AmfMessageDeserializer.java:93) at flex.messaging.endpoints.amf.SerializationFilter.invoke( SerializationFilter.java:169) at flex.messaging.endpoints.BaseHTTPEndpoint.service(BaseHTTPEndpoint.java:328) at flex.messaging.endpoints.AMFEndpoint$$EnhancerBySpringCGLIB$$ 2bc97534.service(<generated>) at org.springframework.flex.servlet.MessageBrokerHandlerAdapter.handle( MessageBrokerHandlerAdapter.java:109) at org.springframework.web.servlet.DispatcherServlet. doDispatch(DispatcherServlet.java:963) at org.springframework.web.servlet.DispatcherServlet. doService(DispatcherServlet.java:897) at org.springframework.web.servlet.FrameworkServlet.processRequest( FrameworkServlet.java:970) at org.springframework.web.servlet.FrameworkServlet. doPost(FrameworkServlet.java:872) at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) at org.springframework.web.servlet.FrameworkServlet. service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter( WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke( StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke( StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke( AuthenticatorBase.java:478) at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) at org.apache.catalina.valves.AbstractAccessLogValve.invoke( AbstractAccessLogValve.java:624) at org.apache.catalina.core.StandardEngineValve.invoke( StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) at org.apache.coyote.AbstractProcessorLight.process( AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process( AbstractProtocol.java:861) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor. doRun(NioEndpoint.java:1455) at org.apache.tomcat.util.net.SocketProcessorBase.run( SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker( ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run( ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run( TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) -- View this message in context: http://apache-flex- development.2333347.n4.nabble.com/BlazeDS-4-7-3-ISSUE- SerializationException-Creation-validation-for-class- myClass-failed-tp63270.html Sent from the Apache Flex Development mailing list archive at Nabble.com.