TL;DR 何らかの理由で、CXF を使用する Java ファーストの Web サービスでかなり単純なオブジェクトをアンマーシャリングできません。
次のような API を持つ Java-First CXF Web サービスがあります。
@WebMethod
public SearchResponse search(@WebParam(name = "searchRequest") SearchRequest searchRequest);
応答 (アンマーシャリングしないクラス) は、おおよそ次のとおりです。
public class SearchResponse {
private List<SearchResult> results;
public List<SearchResult> getResults() {
return results;
}
public void setResults(List<SearchResult> results) {
this.results = results;
}
}
SearchResult は非常に単純な 2 つのプロパティ クラスです。
public class SearchResult {
private long id;
private String name;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Soap-UI を介してこのサービスを呼び出すことができ、完全に機能します。ただし、jaxws クライアントを使用して呼び出すと、エラーが発生します。
javax.xml.ws.soap.SOAPFaultException: Unmarshalling Error: null
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:143)
at $Proxy67.search(Unknown Source)
at com.blah.MyTest.curseYouSearch(MyTest.java:76)
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:597)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
at org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.UnsupportedOperationException
at java.util.AbstractList.add(AbstractList.java:131)
at java.util.AbstractList.add(AbstractList.java:91)
at com.sun.xml.internal.bind.v2.runtime.reflect.Lister$CollectionLister.addToPack(Lister.java:290)
at com.sun.xml.internal.bind.v2.runtime.reflect.Lister$CollectionLister.addToPack(Lister.java:254)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.Scope.add(Scope.java:106)
at com.sun.xml.internal.bind.v2.runtime.property.ArrayERProperty$ReceiverImpl.receive(ArrayERProperty.java:195)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext.endElement(UnmarshallingContext.java:524)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleEndElement(StAXStreamConnector.java:206)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:170)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:351)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:330)
at org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:610)
at org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:530)
at org.apache.cxf.jaxb.io.DataReaderImpl.read(DataReaderImpl.java:114)
at org.apache.cxf.interceptor.DocLiteralInInterceptor.handleMessage(DocLiteralInInterceptor.java:99)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:658)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:2139)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:2022)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1947)
at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:66)
at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:632)
at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:472)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:302)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:254)
at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:73)
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:123)
... 24 more
AbstractList.add にブレークポイントを設定できます。結果のスタックに基づいて、アンマーシャリングが空のリストに追加しようとしているように見えますが、これはもちろん不変です。
Thread [main] (Suspended (breakpoint at line 131 in AbstractList))
Collections$EmptyList(AbstractList<E>).add(int, E) line: 131
Collections$EmptyList(AbstractList<E>).add(E) line: 91
Lister$CollectionLister<BeanT,T>.addToPack(T, Object) line: 290
Lister$CollectionLister<BeanT,T>.addToPack(Object, Object) line: 254
Scope<BeanT,PropT,ItemT,PackT>.add(Accessor<BeanT,PropT>, Lister<BeanT,PropT,ItemT,PackT>, ItemT) line: 106
ArrayERProperty$ReceiverImpl.receive(UnmarshallingContext$State, Object) line: 195
UnmarshallingContext.endElement(TagName) line: 524
StAXStreamConnector.handleEndElement() line: 206
StAXStreamConnector.bridge() line: 170
UnmarshallerImpl.unmarshal0(XMLStreamReader, JaxBeanInfo) line: 351
UnmarshallerImpl.unmarshal(XMLStreamReader, Class<T>) line: 330
JAXBEncoderDecoder.unmarshall(Unmarshaller, Object, QName, Class<?>, boolean) line: 610
JAXBEncoderDecoder.unmarshall(Unmarshaller, Object, MessagePartInfo, boolean) line: 530
DataReaderImpl<T>.read(MessagePartInfo, T) line: 114
DocLiteralInInterceptor.handleMessage(Message) line: 99
PhaseInterceptorChain.doIntercept(Message) line: 236
ClientImpl.onMessage(Message) line: 658
HTTPConduit$WrappedOutputStream.handleResponseInternal() line: 2139
HTTPConduit$WrappedOutputStream.handleResponse() line: 2022
HTTPConduit$WrappedOutputStream.close() line: 1947
HTTPConduit(AbstractConduit).close(Message) line: 66
HTTPConduit.close(Message) line: 632
MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(Message) line: 62
PhaseInterceptorChain.doIntercept(Message) line: 236
ClientImpl.invoke(BindingOperationInfo, Object[], Map<String,Object>, Exchange) line: 472
ClientImpl.invoke(BindingOperationInfo, Object[], Exchange) line: 302
ClientImpl.invoke(BindingOperationInfo, Object...) line: 254
JaxWsClientProxy(ClientProxy).invokeSync(Method, BindingOperationInfo, Object[]) line: 73
JaxWsClientProxy.invoke(Object, Method, Object[]) line: 123
...endless stack lines omitted...
私のクライアントは、Spring で jaxws:client としてセットアップされています。
<jaxws:client id="searchServiceClient"
serviceClass="qualified.class.of.Service"
address="${url.searchService}">
</jaxws:client>
非常によく似た方法で List を返し、正常に動作する Web サービスは他にも多数あります。これと何が違うのか、ちょっと戸惑います。
システムは Java 6、CXF 2.2.3 を使用しています。
どんな提案でも大歓迎です。