Hi Nadeeshan,
Can you share a sample request that you used to invoke the service?
IMHO if the Content-Type header is available in your request this should
work.
Thanks
Thusitha
On Mon, Aug 1, 2016 at 9:28 PM, Nadeeshaan Gunasinghe <nadeesh...@wso2.com>
wrote:
> Hi all,
>
> When I try to execute the following sample [1] service's POST operation I
> could observe the bellow exception.
>
> *java.lang.IllegalArgumentException: argument type mismatch*
> * at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)*
> * at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)*
> * at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)*
> * at java.lang.reflect.Method.invoke(Method.java:497)*
> * at
> org.wso2.msf4j.internal.router.HttpMethodInfo.invoke(HttpMethodInfo.java:108)*
> * at
> org.wso2.msf4j.internal.MSF4JMessageProcessor.dispatchMethod(MSF4JMessageProcessor.java:129)*
> * at
> org.wso2.msf4j.internal.MSF4JMessageProcessor.receive(MSF4JMessageProcessor.java:73)*
> * at
> org.wso2.carbon.transport.http.netty.listener.WorkerPoolDispatchingSourceHandler$1.run(WorkerPoolDispatchingSourceHandler.java:127)*
> * at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)*
> * at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)*
> * at java.lang.Thread.run(Thread.java:745)*
>
> According to the sample service method I am going to capture the json
> payload as an object passed to the method as follows.
>
> @POST
> @Path("/test")
> public Response post(TestPayload testPayloadBody) {
> // TODO: Implementation for HTTP POST request
> System.out.println("POST invoked ====== " +testPayloadBody);
> return Response.ok().entity(testPayloadBody).build();
> }
>
>
> After further debugging the code, could find that the arguments list
> passed at [2] contains a string. But according to the implementation it
> should be a *TestPayload *object. If we observe at [3] the headers Map's
> keys are all in lowercase. In order to get the header from the map, we use
> the constant from* javax.ws.rs.core.Headers, *there the CONTENT_TYPE
> constant is not in all lowercase and Due to this reason *contentTypeHeaderStr
> *becomes null and leads to convert the object to a String by the default
> text formatter, based on the wild card content-type [4].
>
> [1]
> https://drive.google.com/a/wso2.com/folderview?id=0Bx7aKS6MDJqSVDhVSTdWZ1JBVGc&usp=sharing
> [2]
> https://github.com/wso2/msf4j/blob/master/core/src/main/java/org/wso2/msf4j/internal/router/HttpMethodInfo.java#L108
> [3]
> https://github.com/wso2/carbon-messaging/blob/master/components/src/main/java/org/wso2/carbon/messaging/CarbonMessage.java#L162
> [4]
> https://github.com/wso2/msf4j/blob/master/core/src/main/java/org/wso2/msf4j/internal/router/HttpResourceModelProcessor.java#L158
>
> Thanks,
>
> *Nadeeshaan Gunasinghe*
> Software Engineer, WSO2 Inc. http://wso2.com
> +94770596754 | nadeesh...@wso2.com | Skype: nadeeshaan.gunasinghe
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--
Thusitha Dayaratne
Software Engineer
WSO2 Inc. - lean . enterprise . middleware | wso2.com
Mobile +94712756809
Blog alokayasoya.blogspot.com
About http://about.me/thusithathilina
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