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Posted to dev@tuscany.apache.org by "Raymond Feng (JIRA)" <tu...@ws.apache.org> on 2007/07/20 02:51:06 UTC
[jira] Resolved: (TUSCANY-1432) Unable to implement
helloworld-ws-reference sample with complex types.
[ https://issues.apache.org/jira/browse/TUSCANY-1432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raymond Feng resolved TUSCANY-1432.
-----------------------------------
Resolution: Won't Fix
The current code works fine for the complex SDO. A related issue is tracked by TUSCANY-1460.
> Unable to implement helloworld-ws-reference sample with complex types.
> ----------------------------------------------------------------------
>
> Key: TUSCANY-1432
> URL: https://issues.apache.org/jira/browse/TUSCANY-1432
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Samples
> Affects Versions: Java-SCA-M2
> Environment: Windows XP, JDK 1.5.0_11-b03, ant 1.7.0
> Reporter: David Haney
> Assignee: Raymond Feng
> Fix For: Java-SCA-Next
>
> Attachments: helloworld-ws-reference.zip
>
>
> I'm attempting to modify the helloworld-ws-reference example so that it is sending a complexType instead of simple types, and am having trouble with an exception that I can't explain. I wasn't able to find an example of this sort of thing in one of the other samples, so I've been trying to piece together the necessary changes, and I'm guessing I've just missed a step along the way.
> Here's what I've done so far (all file references are relative to
> <installdir>/samples/helloworld-ws-reference):
> - Modified the src/main/resources/wsdl/helloworld.wsdl So that the getGreetings operation contains a complexType:
> ...
> <element name="getGreetings">
> <complexType>
> <sequence>
> <element name="name" type="tns:Name"/>
> </sequence>
> </complexType>
> </element>
> ...
> <complexType name="Name">
> <sequence>
> <element name="first" type="xsd:string"/>
> <element name="last" type="xsd:string"/>
> </sequence>
> </complexType>
> ...
> - Next, I code-generated the static SDO types based on the updated WSDL file. I added the following to the root build.xml in order to generate the types (I wasn't able to find the necessary code-generator tools in the SCA distribution, so the following depends on an external SDO distribution specified by the environment variable TUSCANY_SDO. I used the tuscany-sdo-1.0-incubating-beta1 binary distribution for this test):
> ...
> <property environment="env"/>
> <target name="codegen" depends="init">
> <java classname="org.apache.tuscany.sdo.generate.XSD2JavaGenerator"
> fork="true">
> <classpath>
> <pathelement
> path="${env.TUSCANY_SDO}/lib/tuscany-sdo-tools-1.0-incubating-beta1.jar"
> />
> <pathelement path="${env.TUSCANY_SDO}/lib/common-2.2.2.jar"/>
> <pathelement path="${env.TUSCANY_SDO}/lib/ecore-2.2.2.jar"/>
> <pathelement
> path="${env.TUSCANY_SDO}/lib/sdo-api-r2.1-1.0-incubating-beta1.jar"/>
> <pathelement
> path="${env.TUSCANY_SDO}/lib/tuscany-sdo-impl-1.0-incubating-beta1.jar"/
> >
> <pathelement path="${env.TUSCANY_SDO}/lib/ecore-xmi-2.2.2.jar"/>
> <pathelement path="${env.TUSCANY_SDO}/lib/xsd-2.2.2.jar"/>
> <pathelement
> path="${env.TUSCANY_SDO}/lib/ecore-change-2.2.2.jar"/>
> <pathelement path="${env.TUSCANY_SDO}/lib/codegen-2.2.2.jar"/>
> <pathelement
> path="${env.TUSCANY_SDO}/lib/codegen-ecore-2.2.2.jar"/>
> </classpath>
> <arg value="-targetDirectory"/>
> <arg value="src/main/java"/>
> <arg value="-javapackage"/>
> <arg value="helloworld"/>
> <arg value="src/main/resources/wsdl/helloworld.wsdl"/>
> </java>
> </target>
> ...
> - This produced the following files in src/main/java/helloworld:
> getGreetings.java
> getGreetingsResponse.java
> HelloworldFactory.java
> Name.java
> impl/getGreetingsImpl.java
> impl/getGreetingsResponseImpl.java
> impl/HelloworldFactoryImpl.java
> impl/NameImpl.java
> - Once these were in place, I modified HelloWorldService::getGreetings() to take the new Name type:
> ...
> public interface HelloWorldService {
> public String getGreetings(Name name); }
> - and modified HelloWorldServiceComponent::getGreeting() to match:
> ...
> public String getGreetings(Name name) {
> System.out.println("Called getGreetings");
> return helloWorldService.getGreetings(name);
> }
> - Finally, I modified HelloWorldServiceClient::main() to create a Name instance, and pass it into the getGreetings() call.
> ...
> Name name = HelloworldFactory.INSTANCE.createName();
> name.setFirst("David");
> name.setLast("Haney");
> String value = helloWorldService.getGreetings(name);
> ...
> - Once all of the code changes were in place, I went back to the src/main/resources/helloworldws.composite file, and attempted to update it so that it would recognize that it should be using the SDO binding:
> <dbsdo:import.sdo
> xmlns:dbsdo="http://tuscany.apache.org/xmlns/sca/databinding/sdo/1.0"
> factory="helloworld.HelloworldFactory"/>
> - That seemed like it should be sufficient based on the documentation/tests/demos/examples that I was able to find, however when I attempt to run the application, I'm seeing the following output:
> Buildfile: build.xml
> run:
> [java] log4j:WARN No appenders could be found for logger (org.apache.axiom.om.util.StAXUtils).
> [java] log4j:WARN Please initialize the log4j system properly.
> [java] Injected helloWorldService
> [java] Called getGreetings
> [java] Exception in thread "main" org.apache.axiom.om.OMException:
> java.util.NoSuchElementException: End of stream has reached.
> [java] at
> org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:2
> 11)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.buildNext(OMElementImpl.java
> :546)
> [java] at
> org.apache.axiom.om.impl.llom.OMSourcedElementImpl.buildNext(OMSourcedEl
> ementImpl.java:744)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.getFirstOMChild(OMElementImp
> l.java:557)
> [java] at
> org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getFirstOMChild(OMSou
> rcedElementImpl.java:736)
> [java] at
> org.apache.axiom.om.impl.llom.OMNavigator._getFirstChild(OMNavigator.jav
> a:138)
> [java] at
> org.apache.axiom.om.impl.llom.OMNavigator.updateNextNode(OMNavigator.jav
> a:110)
> [java] at
> org.apache.axiom.om.impl.llom.OMNavigator.next(OMNavigator.java:93)
> [java] at
> org.apache.axiom.om.impl.llom.OMStAXWrapper.<init>(OMStAXWrapper.java:17
> 1)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.getXMLStreamReader(OMElement
> Impl.java:649)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.getXMLStreamReaderWithoutCac
> hing(OMElementImpl.java:628)
> [java] at
> org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getXMLStreamReaderWit
> houtCaching(OMSourcedElementImpl.java:386)
> [java] at
> org.apache.axiom.om.impl.util.OMSerializerUtil.serializeByPullStream(OMS
> erializerUtil.java:488)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementI
> mpl.java:783)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(
> OMElementImpl.java:808)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerialize(OMElementI
> mpl.java:779)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(
> OMElementImpl.java:808)
> [java] at
> org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.serializeInternally(SOA
> PEnvelopeImpl.java:234)
> [java] at
> org.apache.axiom.soap.impl.llom.SOAPEnvelopeImpl.internalSerialize(SOAPE
> nvelopeImpl.java:222)
> [java] at
> org.apache.axiom.om.impl.llom.OMElementImpl.internalSerializeAndConsume(
> OMElementImpl.java:808)
> [java] at
> org.apache.axiom.om.impl.llom.OMNodeImpl.serializeAndConsume(OMNodeImpl.
> java:418)
> [java] at
> org.apache.axis2.transport.http.SOAPMessageFormatter.getBytes(SOAPMessag
> eFormatter.java:77)
> [java] at
> org.apache.axis2.transport.http.AxisRequestEntity.getContentLength(AxisR
> equestEntity.java:109)
> [java] at
> org.apache.commons.httpclient.methods.EntityEnclosingMethod.getRequestCo
> ntentLength(EntityEnclosingMethod.java:332)
> [java] at
> org.apache.commons.httpclient.methods.EntityEnclosingMethod.addContentLe
> ngthRequestHeader(EntityEnclosingMethod.java:402)
> [java] at
> org.apache.commons.httpclient.methods.EntityEnclosingMethod.addRequestHe
> aders(EntityEnclosingMethod.java:370)
> [java] at
> org.apache.commons.httpclient.HttpMethodBase.writeRequestHeaders(HttpMet
> hodBase.java:2036)
> [java] at
> org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase
> .java:1919)
> [java] at
> org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java
> :993)
> [java] at
> org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMe
> thodDirector.java:397)
> [java] at
> org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMetho
> dDirector.java:170)
> [java] at
> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:3
> 96)
> [java] at
> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:3
> 46)
> [java] at
> org.apache.axis2.transport.http.AbstractHTTPSender.executeMethod(Abstrac
> tHTTPSender.java:558)
> [java] at
> org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:1
> 76)
> [java] at
> org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:73)
> [java] at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageW
> ithCommons(CommonsHTTPTransportSender.java:305)
> [java] at
> org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(Common
> sHTTPTransportSender.java:201)
> [java] at
> org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:452)
> [java] at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOper
> ation.java:330)
> [java] at
> org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisO
> peration.java:294)
> [java] at
> org.apache.tuscany.sca.binding.axis2.Axis2BindingInvoker.invokeTarget(Ax
> is2BindingInvoker.java:92)
> [java] at
> org.apache.tuscany.sca.binding.axis2.Axis2BindingInvoker.invoke(Axis2Bin
> dingInvoker.java:71)
> [java] at
> org.apache.tuscany.core.databinding.wire.DataTransformationInteceptor.in
> voke(DataTransformationInteceptor.java:68)
> [java] at
> org.apache.tuscany.sca.core.invocation.AbstractInvocationHandler.invoke(
> AbstractInvocationHandler.java:84)
> [java] at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKIn
> vocationHandler.java:73)
> [java] at $Proxy5.getGreetings(Unknown Source)
> [java] at
> helloworld.HelloWorldServiceComponent.getGreetings(HelloWorldServiceComp
> onent.java:30)
> [java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> [java] at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> a:39)
> [java] at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> Impl.java:25)
> [java] at java.lang.reflect.Method.invoke(Method.java:585)
> [java] at
> org.apache.tuscany.sca.implementation.java.invocation.JavaTargetInvoker.
> invokeTarget(JavaTargetInvoker.java:112)
> [java] at
> org.apache.tuscany.sca.implementation.java.invocation.JavaTargetInvoker.
> invoke(JavaTargetInvoker.java:134)
> [java] at
> org.apache.tuscany.sca.implementation.java.invocation.PassByValueInvoker
> .invoke(PassByValueInvoker.java:61)
> [java] at
> org.apache.tuscany.sca.implementation.java.invocation.TargetInvokerInvok
> er.invoke(TargetInvokerInvoker.java:46)
> [java] at
> org.apache.tuscany.sca.core.invocation.AbstractInvocationHandler.invoke(
> AbstractInvocationHandler.java:84)
> [java] at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKIn
> vocationHandler.java:73)
> [java] at $Proxy5.getGreetings(Unknown Source)
> [java] at
> helloworld.HelloWorldClient.main(HelloWorldClient.java:42)
> [java] Caused by: java.util.NoSuchElementException: End of stream has reached.
> [java] at
> org.apache.tuscany.sdo.util.resource.XMLDocumentStreamReader.next(XMLDoc
> umentStreamReader.java:88)
> [java] at
> org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:1
> 25)
> [java] ... 59 more
> BUILD SUCCESSFUL
> Total time: 2 seconds
> I've attempted this on Windows using the tuscany-sca-0.90-incubating binary distribution, as well as RC3 for the tuscany-sca-0.91-incubating distribution, and am seeing the same exception from both. The example is sending the data through a tcptunnel (so that I can see the on-the-wire format), and it appears this is failing while generating the message, since I'm not seeing any traffic on the wire.
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