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https://issues.apache.org/jira/browse/TUSCANY-3458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12830892#action_12830892
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Anil GVN commented on TUSCANY-3458:
-----------------------------------
Thanks Nash. It's failing failing despite the fixes :(
The problem that I see is that the server is not able to get the CALLBACK
object. Rest is working fine. I have tried even to load from the requestContext
but still its failing. That's what makes me think if its ever tested on remote
JVM scenario - in this case in "binding.ws" scenario.
Regards,
Anil
> Support for Callbacks in TUSCANY 2.x
> ------------------------------------
>
> Key: TUSCANY-3458
> URL: https://issues.apache.org/jira/browse/TUSCANY-3458
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Axis Binding Extension
> Affects Versions: Java-SCA-2.0-M4
> Environment: java 5 + Tuscany 2.0 M4
> Reporter: Anil GVN
> Priority: Critical
>
> Hi,
> When I am trying to run callback web service test (callback-basic-ws), it
> works. What I have observed is that in this test case, both client & server
> are in the same composite.
> Then I tried to separate them out into 2 different composites. This gave me
> the following exception at the server side:
> Caused by: org.oasisopen.sca.ServiceRuntimeException: No callback wire found
> at
> org.apache.tuscany.sca.core.invocation.impl.JDKCallbackInvocationHandler.invoke(JDKCallbackInvocationHandler.java:59)
> at $Proxy23.callBackMessage(Unknown Source)
> at
> org.apache.tuscany.sca.test.CallBackBasicServiceImpl.knockKnock(CallBackBasicServiceImpl.java:33)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org.apache.tuscany.sca.implementation.java.invocation.JavaImplementationInvoker.invoke(JavaImplementationInvoker.java:135)
> at
> org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:72)
> at
> org.apache.tuscany.sca.core.invocation.RuntimeWireInvoker.invoke(RuntimeWireInvoker.java:126)
> ... 29 more
> (( I tried to provide callback in my server composite also. ))
> There is another application that I wrote myself which sort of replicates the
> same scenario where in I found that I am getting a NullPointerException when
> trying to access the @Callback annotated variable in my serviceImpl.
> This raised the following question in my mind. Is the Callback mechanism
> fully supported on all bindings?
> Or is it that there needs to be some extra information provided in my
> server.composite file (which I don't think is the case), in case of
> ws-binding? May be I am missing something somewhere!
> The composite files on the server & client sides look as follows:
>
> server.composite:
> ---------------------------
> <?xml version="1.0" encoding="UTF-8"?>
> <composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200903";
> targetNamespace="http://sample"; name="Calculator">
> <component name="CallBackBasicService">
> <implementation.java
> class="org.apache.tuscany.sca.test.CallBackBasicServiceImpl"/>
> <service name="CallBackBasicService">
> <binding.ws uri="http://localhost:8086/CallBackBasicService"/>
> <callback>
> <binding.ws uri="http://localhost:8084/aCallBackService"/>
> </callback>
> </service>
> </component>
> </composite>
> --------------
> client.composite:
> --------------------------
> <?xml version="1.0" encoding="UTF-8"?>
> <composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912";
> targetNamespace="http://callback"; name="CallBackBasicTest">
> <component name="CallBackBasicClient">
> <implementation.java
> class="org.apache.tuscany.sca.test.CallBackBasicClientImpl"/>
> <reference name="aCallBackService">
> <binding.ws uri="http://localhost:8086/CallBackBasicService"/>
> <callback>
> <binding.ws uri="http://localhost:8084/aCallBackService"/>
> </callback>
> </reference>
> </component>
> </composite>
> Thanks & Regards,
> Anil
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