Empty JSON response can't be serialized
Hi,
FB4 B2
I was getting an error from JSONSerializer object when the returned array has no elements inside. the returned JSON encoded raw data is a simple array representation: []. Is there anything I'm doing wrong, server side is php and I'm using PHP's json_encoder function. When I have elements inside the serializer works well.
r. Sandor
Error:
Error: Error while Parsing
at com.adobe.serializers.json::JSONDecoder/parseValue()[C:\perforceGAURAVP01\depot\flex\ide_ builder\com.adobe.flexbuilder.dcrad\serializers\src\com\adobe\serializers\json\JSONDecoder .as:249]
at com.adobe.serializers.json::JSONDecoder/parseArray()[C:\perforceGAURAVP01\depot\flex\ide_ builder\com.adobe.flexbuilder.dcrad\serializers\src\com\adobe\serializers\json\JSONDecoder .as:431]
at com.adobe.serializers.json::JSONDecoder/parseValue()[C:\perforceGAURAVP01\depot\flex\ide_ builder\com.adobe.flexbuilder.dcrad\serializers\src\com\adobe\serializers\json\JSONDecoder .as:221]
at com.adobe.serializers.json::JSONDecoder/decode()[C:\perforceGAURAVP01\depot\flex\ide_buil der\com.adobe.flexbuilder.dcrad\serializers\src\com\adobe\serializers\json\JSONDecoder.as: 178]
at com.adobe.serializers.json::JSONSerializationFilter/deserializeResult()[C:\perforceGAURAV P01\depot\flex\ide_builder\com.adobe.flexbuilder.dcrad\serializers\src\com\adobe\serialize rs\json\JSONSerializationFilter.as:102]
at mx.rpc.http::AbstractOperation/http://www.adobe.com/2006/flex/mx/internal::processResult()[E:\dev\gumbo_beta2\frameworks\ projects\rpc\src\mx\rpc\http\AbstractOperation.as:929]
at mx.rpc::AbstractInvoker/http://www.adobe.com/2006/flex/mx/internal::resultHandler()[E:\dev\gumbo_beta2\frameworks\ projects\rpc\src\mx\rpc\AbstractInvoker.as:313]
at mx.rpc::Responder/result()[E:\dev\gumbo_beta2\frameworks\projects\rpc\src\mx\rpc\Responde r.as:56]
at mx.rpc::AsyncRequest/acknowledge()[E:\dev\gumbo_beta2\frameworks\projects\rpc\src\mx\rpc\ AsyncRequest.as:84]
at DirectHTTPMessageResponder/completeHandler()[E:\dev\gumbo_beta2\frameworks\projects\rpc\s rc\mx\messaging\channels\DirectHTTPChannel.as:446]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flash.net::URLLoader/onComplete()
Another possible workaround is use a drop-in replacement to the built-in JSONSerializationFilter:
https://github.com/audreyt/plurk/blob/master/src/com/serialization/json/JSONSerializationF ilter.as
https://github.com/audreyt/plurk/blob/master/src/com/serialization/json/JSON.as
All it takes is changing the "import com.adobe.serializers.json.JSONSerializtionFilter" lines in service
class's templates into "import com.serialization.json.JSONSerializationFilter", and empty arrays would start working.
Theoretically one can also do this, though I have not tested it yet:
SerializationFilter.registerFilterForResultFormat( 'json', new JSONSerializationFilter ());
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