event.result.toString() call in your getNameHandler() is generating
a "NullPointerException".
Do you see a value in the Tomcat console from the System.out call in
your SimpleRemoteObject class?
--- In [email protected], "aejaz_98" <[EMAIL PROTECTED]> wrote:
>
> Hi Steven,
>
> Thanks a lot for your reply. I recompiled the swf again &
> in the Tomcat console I could see that the method on my class
> was being called. So, thing that made this whole thing work
> was,
>
> Matt's advice to change the endpoint URI to
> http://localhost:8080/flex/messagebroker/amf
>
> &
>
> recompilation of the swf after it.
>
> However on the browser side I am seeing this error in a new window,
>
> An ActionScript error has occurred,
> TypeError: Error #1009: null has no properties.
> at SimpleRemoteObject/::getNameHandler()
> at SimpleRemoteObject/___Operation1_result()
> at flash.events::EventDispatcher/dispatchEvent()
> at
>
mx.rpc::AbstractOperation/http://www.adobe.com/2006/flex/mx/internal::
dispatchRpcEvent()
> at
>
mx.rpc::AbstractInvoker/http://www.adobe.com/2006/flex/mx/internal::re
sultHandler()
> at flash.events::EventDispatcher/dispatchEvent()
> at mx.rpc::Producer/acknowledge()
> at
> ::NetConnectionMessageResponder/NetConnectionChannel.as$36:NetConnec
tionMessageResponder::handleResult()
> at mx.messaging::MessageResponder/result()
>
> Any clues ?
>
> Thanks,
> Aejaz
>
> --- In [email protected], "Steven Toth" <steventoth@>
wrote:
> >
> > Did you recompile the SWF after changing the endpoint URI?
> >
> > --- In [email protected], "aejaz_98" <aejaz_98@> wrote:
> > >
> > > Hi Matt,
> > >
> > > Thanks for your reply. Yes, I am running the SWF using the URL
> > >
> >
http://localhost:8080/flex/SimpleRemoteObject/SimpleRemoteObject.html
> > >
> > > I also changed the channel endpoint URI from
> > > http://{server.name}:{server.port}/
{context.root}/messagebroker/amf
> > > to
> > > http://localhost:8080/flex/messagebroker/amf
> > > but I still get the same result i.e. Channel.Connect.Failed
error.
> > > NetConnection.Call.Failed error:HTTP:Failed .
> > >
> > > Please let me know what else could be missin/misconfigured.
> > >
> > > Thanks,
> > > Aejaz
> > >
> > > --- In [email protected], "Matt Chotin" <mchotin@>
wrote:
> > > >
> > > > Are you running the SWF from http://localhost:8080/flex/ in
your
> > > > browser? Everything seems OK to me otherwise. Try changing
the
> > my-am
> > > > channel entry to
http://localhost:8080/flex/messagebroker/amf,
> > but you
> > > > shouldn't have needed to do it.
> > > >
> > > >
> > > >
> > > > Matt
> > > >
> > > >
> > > >
> > > > ________________________________
> > > >
> > > > From: [email protected]
> > [mailto:[EMAIL PROTECTED] On
> > > > Behalf Of aejaz_98
> > > > Sent: Tuesday, April 25, 2006 10:47 PM
> > > > To: [email protected]
> > > > Subject: [flexcoders] (Flex20b2) RemoteObject access problem
> > > >
> > > >
> > > >
> > > > Hi,
> > > >
> > > > I have posted a couple of messages on calling a method on a
Java
> > object
> > > > using <mx:RemoteObject> tag but so far I haven't been
successful.
> > With
> > > > help from Peter & Suresh I did proceed a little bit further
but I
> > am
> > > > still unable to successfully call the method on the server
side
> > object.
> > > > Since I described the problem in bits & pieces before, I
think
> > that I
> > > > may have missed some step(s) which I don't know about. Here
is
> > what I
> > > > have done step by step. Please let me know if I am doing
anything
> > wrong
> > > > or not doing something.
> > > >
> > > > Basically what I wanted to do was to verify the connectivity
from
> > the
> > > > browser side to a simple Java class on the back end using
> > RemoteObject
> > > > tag before doing anything major. To do this I take a (String)
> > name from
> > > > a TextInput field which is sent to the getString() method of
the
> > class
> > > > called Echo which appends "Welcome " to the incoming String &
> > returns it
> > > > back. This is displayed by the state 'TargetState'.
> > > >
> > > > 1. Here is the mxml file named SimpleRemoteObject.mxml.
Please
> > take a
> > > > look at my ActionScript methods as I am new to ActionScript
as
> > well.
> > > >
> > > > <?xml version="1.0" encoding="utf-8"?>
> > > > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
> > xmlns="*"
> > > > layout="absolute">
> > > > <mx:TraceTarget level="0" />
> > > > <mx:Script>
> > > > <![CDATA[
> > > > import mx.rpc.events.*;
> > > > import mx.collections.*;
> > > > import mx.controls.*
> > > >
> > > > private function getNameHandler
(event:ResultEvent):void
> > > > {
> > > > Result.text = event.result.toString();
> > > > currentState='TargetState';
> > > > }
> > > >
> > > > private function faultHandler(event:FaultEvent):void
> > > > {
> > > > Alert.show(event.fault.faultstring, "Error");
> > > > Alert.show(event.fault.faultDetail, "Error");
> > > > }
> > > > ]]>
> > > > </mx:Script>
> > > > <mx:states>
> > > > <mx:State name="TargetState">
> > > > <mx:RemoveChild child="{button1}"/>
> > > > <mx:RemoveChild child="{formInput}"/>
> > > > <mx:RemoveChild child="{label1}"/>
> > > > <mx:AddChild position="lastChild">
> > > > <mx:Label x="99" y="130" width="265"
height="28"
> > > > id="Result"/>
> > > > </mx:AddChild>
> > > > </mx:State>
> > > > </mx:states>
> > > >
> > > > <mx:RemoteObject id="sendStringBack"
destination="EchoString"
> > > > showBusyCursor="true" fault="faultHandler(event)">
> > > > <mx:method name="getString" result="getNameHandler
> > (event)">
> > > > <mx:arguments>
> > > > <str>
> > > > {formInput.text}
> > > > </str>
> > > > </mx:arguments>
> > > > </mx:method>
> > > > </mx:RemoteObject>
> > > > <mx:TextInput x="119" y="129" id="formInput"/>
> > > > <mx:Button x="119" y="170" label="Submit" fontSize="13"
> > id="button1"
> > > > click="sendStringBack.getString.send()"/>
> > > > <mx:Label x="119" y="86" text="What is your name ?"
> > width="160"
> > > > fontSize="15" id="label1"/>
> > > > </mx:Application>
> > > >
> > > > For this project I defined the Flex root folder at
> > > > C:\tomcat-5.5.9\webapps\flex & flex server URL to
> > > > http://localhost:8080/flex/.
> > > >
> > > > 2. Defined the destination EchoString in
> > > > C:\tomcat-5.5.9\webapps\flex\WEB-INF\flex\flex-remoting-
> > service.xml as
> > > > follows,
> > > >
> > > > <adapters>
> > > > <adapter-definition id="java-object"
> > > > class="flex.messaging.services.remoting.adapters.JavaAdapter"
> > > > default="true"/>
> > > > </adapters>
> > > >
> > > > <default-channels>
> > > > <channel ref="my-amf"/>
> > > > </default-channels>
> > > >
> > > > <destination id="EchoString">
> > > > <properties>
> > > > <source>samples.SimpleRemoteObject.Echo</source>
> > > > </properties>
> > > > </destination>
> > > >
> > > > 3. Saved the mxml file in Flex Builder which created
> > > > C:\tomcat-5.5.9\webapps\flex\SimpleRemoteObject directory &
put
> > the
> > > > HTML, SWFs & _javascript_ files in it.
> > > >
> > > > 4. Compiled the Java class called Echo.java & put Echo.class
in
> > > > C:\tomcat-5.5.9\webapps\flex\WEB-
> > INF\classes\samples\SimpleRemoteObject.
> > > >
> > > > package samples.SimpleRemoteObject;
> > > > public class Echo {
> > > > public Echo(){
> > > > }
> > > > public String getString(String str){
> > > > System.out.println("In Echo::getString(), got " +
str);
> > > > return "Welcome " + str ;
> > > > }
> > > > }
> > > >
> > > > 5. Started tomcat & went to,
> > > >
> >
http://localhost:8080/flex/SimpleRemoteObject/SimpleRemoteObject.html
> > > >
> > > > 6. First page got painted fine, input a name & clicked
on 'Submit'
> > > >
> > > > 7. I get Channel.Connect.Failed error.
NetConnection.Call.Failed
> > > > error:HTTP:Failed in the Alert box.
> > > >
> > > > C:\tomcat-5.5.9\webapps\flex\WEB-INF\flex\flex-enterprise-
> > services.xml
> > > > has,
> > > >
> > > > <channel-definition id="my-amf"
> > > > class="mx.messaging.channels.AMFChannel">
> > > > <endpoint
> > > > uri="http://{server.name}:{server.port}/
> > {context.root}/messagebroker/amf
> > > > " class="flex.messaging.endpoints.AMFEndpoint"/>
> > > > <properties>
> > > > <polling-enabled>false</polling-enabled>
> > > > </properties>
> > > > </channel-definition>
> > > >
> > > >
> > > > Thanks,
> > > > Aejaz
> > > >
> > > >
> > > > --
> > > > Flexcoders Mailing List
> > > > FAQ:
> > http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
> > > > Search Archives:
> > > > http://www.mail-archive.com/flexcoders%40yahoogroups.com
> > > >
> > > >
> > > >
> > > >
> > > > ________________________________
> > > >
> > > > YAHOO! GROUPS LINKS
> > > >
> > > >
> > > >
> > > > * Visit your group "flexcoders
> > > > <http://groups.yahoo.com/group/flexcoders> " on the web.
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> > > > * To unsubscribe from this group, send an email to:
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> > > >
> > > > ________________________________
> > > >
> > >
> >
>
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