Oh, man -- my face is red on that one! That should have been an easy fix! I think it was the XML error message that was leading me astray.
I'm off and running now. I'm sure I'll be back with some future questions as they arise. You've been very helpful and I really do appreciate it! --- In [email protected], "Matt Chotin" <[EMAIL PROTECTED]> wrote: > > The ampersand is causing a problem. Try doing & in the url string > instead in your MXML. If you do it programmatically in a Script block > you'll need to have a CDATA block in there. > > <mx:Script> > <![[CDATA > > ]]> > </mx:Script> > > Matt > > -----Original Message----- > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of Raheen M Shabbazz > Sent: Sunday, January 22, 2006 1:02 PM > To: [email protected] > Subject: [flexcoders] Re: HTTPService -- Generic error code > > Thanks for all your continued help. The service returns the image > itself and, based on your recommendation, I have been trying to simply > set the source of the image to the URL of the service. > > When I do this, however, very strange things begin to happen. In the > validator, I get an XML error for any variable past the first encoded > variable in the URL string. So, for example, if I try to set the > source to > "http://www.mydomain.com/services?var1=val1&var2=val2&var3=val3";, I > will get validaton errors for var2 and var3 that say "undetermined > entity reference [XML]" and "entry Var2 was not found [XML]". > > If I ignore these errors and run the app, I get the following error: > "The reference to entity "var2" must end with the ';' delimiter." > > Is there a proper way to embed these parameters into the URL that I'm > missing? I even tried to build a URL string and programmatically set > the image source to the URL string -- but that gave me the same errors > as well. > > Thanks again! > > > > --- In [email protected], "Matt Chotin" <[EMAIL PROTECTED]> wrote: > > > > Wait, does the service return the image itself or does it return a url > > to the image? If it returns the image itself you need to set the > Image > > source to > > > http://www.mydomain.com/services/restsvc?param1=val1¶m2=val2¶m3= > > val3 and forget the HTTPService (though if you don't have > > crossdomain.xml on that server (mydomain.com) you may not be able to > > download the image). If the restsvc returns the string with the url > > then you want to set resultFormat="text" and then you can use the > result > > as the source to the image like you're doing now. If it returns XML > > that can be parsed then you'll want to have resultFormat="object" and > > you'll pick the right child node. > > > > Matt > > > > > > -----Original Message----- > > From: [email protected] [mailto:[EMAIL PROTECTED] > On > > Behalf Of Raheen M Shabbazz > > Sent: Saturday, January 21, 2006 11:48 PM > > To: [email protected] > > Subject: [flexcoders] Re: HTTPService -- Generic error code > > > > Thanks for the reply. > > > > I am using v1.5. I don't believe that I am using any proxy at all. > > > > This is the REST service that I have created :: > > > > ======================== > > <mx:HTTPService id="my_rest_ws" > > url="http://www.mydomain.com/services/restsvc"; method="GET"> > > > > <mx:request> > > <param1>val1</param1> > > <param2>val2</param2> > > <param3>val3</param3> > > </mx:request> > > </mx:HTTPService> > > ========================= > > > > Below, I've got two simple controls :: > > > > ========================= > > <mx:Canvas width="550" height="400"> > > > > <mx:Image source="{my_rest_ws.result}" width="400" height="400" /> > > <mx:Button label="Button" click="my_rest_ws.send()"/> > > > > </mx:Canvas> > > ========================= > > > > > > The idea is to hit the button and have the mx:image dynamically load > > the image returned from call to the web service. The web service > > exists on a production server (a system completely seperate from my > > development machine and entirely out of my control). If I manually > > type the service URL with parameters into the address bar, I get the > > image that I expect. So, for example > > > http://www.mydomain.com/services/restsvc?param1=val1¶m2=val2¶m3= > > val3 > > returns the image with no trouble. When trying the web service code > > above, however, I get the generic error mentioned before -- "Could Not > > Retrieve Data". (NOTE -- I thought that the problem may be with the > > mx:image tag loading the results, but the error remains even when I > > remove the mx:image tag altogether.) > > > > In the flex-config.xml file, I changed the HTTPServices section to > > read <url>http://*</url> That fixed the error I was getting before > > which said (paraphrased) that the URL was not legal and needed to be > > added to the allow list. > > > > I'm not sure about your crossdomain.xml question? > > > > I'm guessing the problem lies with either my code or my Flex settings > > as I believe the server gets hit with a number of service requests on > > a regular basis and can accomodate a wide variety of flavors and > > implementations. > > > > I'm totally stumped. For a simple example, it sure is giving me a run > > for my money! Been tinkering with it all night! I just keep getting > > that same generic and uninformative error. > > > > > > > > > > > > -- > > 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 > > > > > > > > > > -- > 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 > -- 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 <*> To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
