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https://issues.apache.org/jira/browse/TUSCANY-2059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12574681#action_12574681
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Raymond Feng commented on TUSCANY-2059:
---------------------------------------
It seems that AXIS2 always generate ONEWAY operations for the methods with void
return. In SCA, we need to annotate the method with @Oneway to mark it ONEWAY.
There is a gap in Java2WSDL to provide an option to configure if we should map
such methods into WSDL ONEWAY operations.
The SCA spec follows the JAXWS to map Java2WSDL. So I assume we should annotate
the method with either SCA @Oneway or javax.jws.OneWay. And we probably need to
get AXIS2 to provide an option to override the default method mapping rules.
> Exception when using binding.ws instead of binding.sca. Interface contains
> only methods without any in/out parameters and return values
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: TUSCANY-2059
> URL: https://issues.apache.org/jira/browse/TUSCANY-2059
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Core Runtime
> Affects Versions: Java-SCA-1.1
> Environment: Windows XP SP2, Intel Core 2 CPU, 2.6, 2GB Ram, jdk
> 1.5.0_10
> Reporter: Daniel Stucky
> Assignee: Raymond Feng
> Attachments: test.zip
>
>
> I have the following Java Interface that works with binding.sca:
> public interface Gamma
> {
> void start();
> void doSomething();
> void stop();
> }
> When I use binding.ws (I let Tuscany create the WSDL interfaces
> automatically), I get the following exception (see below):
> If I add a parameter (e.g. int x) to any of the methods or I replace any
> return type void by a type (e.g. int) it works.
> Does WSDL not allow services without any In/Out parameters ?
> java.lang.reflect.UndeclaredThrowableException
> at $Proxy12.getRef(Unknown Source)
> at services.AlphaImpl.run(AlphaImpl.java:27)
> 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:105)
> at
> org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:88)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:249)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:146)
> at $Proxy11.run(Unknown Source)
> at launch.Launch.main(Launch.java:14) Caused by:
> org.apache.tuscany.sca.interfacedef.util.FaultException: An unknown message
> label has been encountered: In
> at
> org.apache.tuscany.sca.binding.ws.axis2.Axis2BindingInvoker.invoke(Axis2BindingInvoker.java:80)
> at
> org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:74)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:249)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:146)
> ... 12 more
> I also tried it with version 1.2, the exception changed to this:
> org.osoa.sca.ServiceRuntimeException: Target fault type cannot be resolved:
> null
> at
> org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:134)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:267)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:155)
> at $Proxy12.getRef(Unknown Source)
> at services.AlphaImpl.run(AlphaImpl.java:27)
> 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:109)
> at
> org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:108)
> at
> org.apache.tuscany.sca.binding.sca.impl.SCABindingInvoker.invoke(SCABindingInvoker.java:61)
> at
> org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:108)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:267)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:155)
> at $Proxy11.run(Unknown Source)
> at launch.Launch.main(Launch.java:14)
> Caused by: org.apache.tuscany.sca.interfacedef.util.FaultException: Target
> fault type cannot be resolved: null
> at
> org.apache.tuscany.sca.binding.ws.axis2.Axis2BindingInvoker.invoke(Axis2BindingInvoker.java:97)
> at
> org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:78)
> ... 16 more
> Caused by: org.apache.axis2.AxisFault: Target fault type cannot be resolved:
> null
> at
> org.apache.axis2.util.Utils.getInboundFaultFromMessageContext(Utils.java:486)
> at
> org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:343)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:389)
> at
> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:211)
> at
> org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
> at
> org.apache.tuscany.sca.binding.ws.axis2.Axis2BindingInvoker.invokeTarget(Axis2BindingInvoker.java:118)
> at
> org.apache.tuscany.sca.binding.ws.axis2.Axis2BindingInvoker.invoke(Axis2BindingInvoker.java:89)
> ... 17 more
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